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INTEGRATED CIRCUITS
DATA SHEET
TDA1562Q 70 W high efficiency power amplifier with diagnostic facility
Preliminary specification File under Integrated Circuits, IC01 1998 Apr 07
Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
FEATURES · Very high output power, operating from a single low supply voltage · Low power dissipation, when used for music signals · Switches to low output power at too high case temperatures · Few external components · Fixed gain · Differential inputs with high common mode rejection · Mode select pin (on, mute and standby) · Status I/O pin (class-H, class-B and fast mute) · All switching levels with hysteresis · Diagnostic pin with information about: Dynamic Distortion Detector (DDD) Any short-circuit at outputs Open load detector Temperature protection. · No switch-on or switch-off plops GENERAL DESCRIPTION · Fast mute on supply voltage drops
TDA1562Q
· Quick start option (e.g. car-telephony/navigation) · Low (delta) offset voltage at the outputs · Load dump protection · Short-circuit safe to ground, supply voltage and across the load · Low power dissipation in any short-circuit condition · Protected against electrostatic discharge · Thermally protected · Flexible leads.
The TDA1562Q is a monolithic integrated 70 W/4 Bridge-Tied Load (BTL) class-H high efficiency power amplifier in a 17-lead DIL-bent-SIL plastic power package. The device can be used for car audio systems (e.g. car, radio and boosters) as well as mains fed applications (e.g. midi/mini audio combinations and TV sound).
QUICK REFERENCE DATA Test conditions: VP = 14.4 V; RL = 4 ; Rs = 0 ; f = 1 kHz; Tamb = 25 °C; unless otherwise specified. SYMBOL VP PARAMETER supply voltage CONDITIONS operating non-operating load dump Iq(tot) Istb VOO VOO Gv Zi(dif) Po THD total quiescent current standby current output offset voltage delta output offset voltage voltage gain differential input impedance output power total harmonic distortion THD = 0.5% THD = 10% Po = 1 W Po = 20 W DDD active SVRR CMRR ISRR Vn(o) supply voltage ripple rejection common mode rejection ratio input signal rejection ratio noise output voltage on and mute on mute on on and mute; RL = open circuit standby on and mute on mute 8 - - - - - - 25 90 45 60 - - - 60 70 80 - MIN. - - 110 1 - - 26 150 55 70 0.03 0.06 10 70 80 90 100 TYP. 14.4 MAX. 18 30 45 150 50 100 30 27 - - - - - - - - - 150 V V V mA µA mV mV dB k W W % % % dB dB dB µV UNIT
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
ORDERING INFORMATION PACKAGE TYPE NUMBER NAME TDA1562Q BLOCK DIAGRAM DBS17P DESCRIPTION
TDA1562Q
VERSION SOT243-1
plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm)
handbook, full pagewidth
C1- 3 CLASS-B CLASS-H FAST MUTE STANDBY MUTE ON
C1+ 5
VP1 9
VP2 10
status I/O
16
TEMPERATURE SENSOR
LOAD DUMP PROTECTION
mode select
4
disable LIFT-SUPPLY
CURRENT PROTECTION
VP* IN+ 1 + PREAMP - POWERSTAGE DIAGNOSTIC INTERFACE FEEDBACK CIRCUIT 75 k IN- 2 7 OUT+
75 k
TDA1562Q
LOAD DETECTOR
DYNAMIC DISTORTION DETECTOR
8
diagnostic
- PREAMP +
POWERSTAGE VP* LIFT-SUPPLY TEMPERATURE PROTECTION
11
OUT-
Vref
14 15 k disable
signal 17 GND
reference voltage
MGL264
15 C2-
13 C2+
6 PGND1
12 PGND2
Fig.1 Block diagram.
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
PINNING SYMBOL IN+ IN- C1- MODE C1+ PGND1 OUT+ DIAG VP1 VP2 OUT- PGND2 C2+ Vref C2- STAT SGND PIN 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 DESCRIPTION signal input (positive) signal input (negative) negative terminal of lift electrolytic capacitor 1 mode select input positive terminal of lift electrolytic capacitor 1 power ground 1 positive output diagnostic output (open collector) supply voltage 1 supply voltage 2 negative output power ground 2 positive terminal of lift electrolytic capacitor 2 internal reference voltage negative terminal of lift electrolytic capacitor 2 status I/O signal ground
OUT+ 7 DIAG 8 VP1 9 VP2 10 OUT- 11 PGND2 12 C2+ 13 Vref 14 C2- 15 STAT 16 SGND 17
MGL263
TDA1562Q
handbook, halfpage
IN+ 1 IN- 2 C1- 3 MODE 4 C1+ 5 PGND1 6
TDA1562Q
Fig.2 Pin configuration.
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
FUNCTIONAL DESCRIPTION The TDA1562Q contains a mono class-H BTL output power amplifier. At low output power, up to 18 W, the device operates as a normal BTL amplifier. When a larger output voltage swing is required, the internal supply voltage is lifted by means of the external electrolytic capacitors. Due to this momentarily higher supply voltage the obtainable output power is 70 W. In normal use, when the output is driven with music-like signals, the high output power is only needed during a small percentage of time. Under the assumption that a music signal has a normal (Gaussian) amplitude distribution, the reduction in dissipation is about 50% when compared to a class-B output amplifier with the same output power. The heatsink should be designed for use with music signals. If the case temperature exceeds 120 °C, the device will switch back from class-H to class-B operation. The high power supply voltage is then disabled and the output power is limited to 20 W. When the supply voltage drops below the minimum operating level, the amplifier will be muted immediately. Mode select input (pin MODE) This pin has 3 modes: 1. LOW, `standby': the complete circuit is switched off, the supply current is very low 2. MID, `mute': the circuit is switched on, but the input signal is suppressed 3. HIGH, `on': normal operation, the input signal is amplified by 26 dB. When the circuit is switched from mute to on or vice versa the actual switching takes place at a zero crossing of the input signal. The circuit contains a quick start option, i.e. when it is switched directly from standby to on, the amplifier is fully operational within 50 ms (important for applications like car telephony and car navigation). Status I/O input (pin STAT) INPUT This input has 3 possibilities:
TDA1562Q
1. LOW, `fast mute': the circuit remains switched on, but the input signal is suppressed 2. MID, `class-B': the circuit operates as class-B amplifier, the high power supply voltage is disabled, independent of the case temperature 3. HIGH, `class-H': the circuit operates as class-H amplifier, the high power supply voltage is enabled, independent of the case temperature. When the circuit is switched from fast mute to class-B/H or vice versa the switching is immediately carried out. When the circuit is switched from class-B to class-H or vice versa the actual switching takes place at a zero crossing of the input signal. OUTPUT This output has 3 possibilities: 1. LOW, `mute': acknowledge of muted amplifier 2. MID, `class-B': the circuit operates as class-B amplifier, the high power supply voltage is disabled, caused by the case temperature Tc > 120 °C 3. HIGH, `class-H': the circuit operates as class-H amplifier, the high power supply voltage is enabled, because the case temperature Tc < 120 °C. When the circuit is switched from class-B to class-H or vice versa the actual switching takes place at a zero crossing of the input signal. The status I/O pins of maximum 8 devices may be tied together for synchronizing purposes.
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
TDA1562Q
handbook, full pagewidth
on mute 0 HIGH
supply voltage
mode select input
MID LOW Vref
reference voltage
VRT 0 HIGH
status I/O input
MID LOW HIGH
status I/O output
MID LOW
class-H (Tc < 120 °C) class-B (Tc > 120 °C)
output voltage across load
0
quick start mute
zerocross change class B/H-operation
fast mute function
zerocross mute function
supply mute function
MGL272
Fig.3 Switching characteristics.
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
Diagnostic output (pin DIAG) DYNAMIC DISTORTION DETECTOR (DDD) At the onset of clipping of the output stages, the DDD becomes active. This information can be used to drive a sound processor or DC-volume control to attenuate the input signal and so limit the distortion. SHORT-CIRCUIT PROTECTION When a short-circuit occurs at the outputs to ground or to the supply voltage, the output stages are switched off. They will be switched on again approximately 20 ms after removing the short-circuit. During this short-circuit condition the diagnostic output is continuously LOW. When a short-circuit occurs across the load, the output stages are switched off during approximately 20 ms. After that time is checked during approximately 50 µs whether the short-circuit is still present. During this short-circuit condition the diagnostic output is LOW for 20 ms and high for 50 µs. The power dissipation in any short-circuit condition is very low. TEMPERATURE DETECTION
TDA1562Q
Just before the temperature protection becomes active the diagnostic output becomes continuously LOW. Load detection: directly after the circuit is switched from standby to mute or on, a build in detection circuit checks whether a load is present. The results of this check can be detected at the diagnostic output, by switching the mode select input in the mute mode. Since the diagnostic output is an open collector output, more devices can be tied together.
HIGH
handbook, full pagewidth
mode select input
MID
LOW
output voltage across load
0
HIGH
diagnostic output no load LOW t clipping signal short-circuit to supply or ground short-circuit across load
MGL265
Fig.4 Diagnostic information.
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
TDA1562Q
handbook, full pagewidth
class-H
status I/O: high
maximum output voltage swing
class-B
status I/O: open
0 HIGH
diagnostic output
LOW
HIGH
status I/O output
MID
LOW 100
120
145
150 Tj (°C)
160
MGL266
Fig.5 Behaviour as a function of temperature.
LIMITING VALUES In accordance with the Absolute Maximum Rating System (IEC 134). SYMBOL VP PARAMETER supply voltage CONDITIONS operating non-operating load dump; tr > 2.5 ms; T = 50 ms IOSM Vsc Tstg Tamb Tj Ptot Note 1. Tj is a theoretical temperature which is based on a simplified representation of the thermal behaviour of the device. Tj = Tc + P × Rth(j-c), where Rth(j-c) is a fixed value to be used for the calculation of Tj. The rating for Tj limits the allowable combinations of power dissipation P and case temperature Tc (in accordance with IEC 747-1). non-repetitive peak output current repetitive peak output current short-circuit safe voltage storage temperature ambient temperature junction temperature total power dissipation note 1 - - - - - - -55 -40 - - MIN. MAX. 18 30 45 10 8 18 +150 - 150 60 V V V A A V °C °C °C W UNIT
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
THERMAL CHARACTERISTICS SYMBOL Rth(j-c) Rth(j-a) PARAMETER thermal resistance from junction to case thermal resistance from junction to ambient in free air CONDITIONS 1.5 40 VALUE
TDA1562Q
UNIT K/W K/W
DC CHARACTERISTICS VP = 14.4 V; RL = 4 ; Tamb = 25 °C; measurements in accordance with Fig.10; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT
Supplies VP1 and VP2 (pins 9 and 10) VP Vth+ Vth- VPH1 Iq Istb VO VOO VOO VI II Vth1+ Vth1- VmsH1 Vth2+ Vth2- VmsH2 supply voltage supply threshold voltage supply threshold voltage hysteresis (Vth+ - Vth-) quiescent current standby current on and mute; RL = open circuit standby mute on on mute 8 - 7 - - - - - - 14.4 - - 200 110 1 18 9 - - 150 50 - 100 30 V V V mV mA µA
Amplifier outputs OUT+ and OUT- (pins 7 and 11) DC output voltage output offset voltage delta output offset voltage on and mute on and mute on mute 6.5 - - - - - - 200 - - 200 V mV mV
Mode select input MODE (pin 4) input voltage range input current threshold voltage threshold voltage hysteresis (Vth1+ - Vth1-) threshold voltage threshold voltage hysteresis (Vth2+ - Vth2-) mute on on mute VMODE = 14.4 V standby mute mute standby 0 - - 1 - - 3.3 - Vp 20 2 - - 4.2 - - V µA V V mV V V mV
Status I/O STAT (pin 16) PIN STAT AS INPUT Vst IstH IstL Vth1+ Vth1- VstH1 Vth2+ Vth2- VstH2 1998 Apr 07 input voltage HIGH-level input current LOW-level input current threshold voltage threshold voltage hysteresis (Vth1+ - Vth1-) threshold voltage threshold voltage hysteresis (Vth2+ - Vth1-) 9 class B class H class H class B VSTAT = 14.4 V VSTAT = 0 V fast mute class B class B fast mute 0 - - - 1 - - 3.3 - - - - - - 200 - - 200 VP 4 -400 2 - - 4.2 - - V mA µA V V mV V V mV
Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
SYMBOL PIN STAT AS OUTPUT Ist(mute) Vst(mute) Ist(clB) Vst(clB) Ist(clH) Vst(clH) Tc(th) VDIAG RL Tj(th) mute acknowledge sink current mute acknowledge output voltage class B operation output current class B operation output voltage class H operation source current class H operation output voltage threshold case temperature sensor Ist = -140 µA IIst = 15 µAI Ist = 2.2 mA 2.2 - 15 2.0 -140 - - 100 - - - - - - 120 - - 145 PARAMETER CONDITIONS MIN. TYP.
TDA1562Q
MAX. - 0.5 - 3.0 - - -
UNIT
mA V µA V µA V °C
VP - 2.5 -
Diagnostic output DIAG (pin 8) output voltage load resistance for open load detection threshold junction temperature sensor active LOW 0.6 - - V °C
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
TDA1562Q
handbook, full pagewidth
on-mode
fast mute VPH1 Vth- Vth+ VP
MGL267
Fig.6 Supply voltage transfer characteristic.
handbook, full pagewidth
on-mode
mute
standby VmsH1 Vth1- Vth1+ VmsH2 Vth2- Vth2+
MGL268
Vms
Fig.7 Mode select transfer characteristic.
handbook, full pagewidth
class-H
class-B
fast mute VstH1 Vth1- Vth1+ VstH2 Vth2- Vth2+
MGL269
Vst
Fig.8 Status I/O transfer characteristic.
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
TDA1562Q
AC CHARACTERISTICS VP = 14.4; RL = 4 ; Rs = 0 ; f = 1 kHz; Tamb = 25 °C; measurements in accordance with Fig.10; unless otherwise specified. SYMBOL Po PARAMETER output power CONDITIONS class-B; THD = 10% class-H; THD = 10% class-H; THD = 0.5% fro(h)(P) THD high frequency power roll-off total harmonic distortion Po (-1 dB); THD = 0.5%; note 1 Po = 1 W Po = 20 W DDD active Gv fro(h)(G) Zi(dif) SVRR voltage gain high frequency gain roll-off differential input impedance supply voltage ripple rejection common mode rejection ratio input signal rejection ratio noise output voltage on and mute; note 3 standby; note 3 CMRR ISRR Vn(o) on; note 4 mute; note 5 on; note 6 mute; notes 6 and 7 Notes 1. The low frequency power roll-off is determined by the value of the electrolytic lift capacitors. 2. The low frequency gain roll-off is determined by the value of the input coupling capacitors. 3. Supply voltage ripple rejection is measured across RL; Vripple = Vripple max. = 2 VPP. 4. Common mode rejection ratio is measured across RL; Vcm = Vcm max. = 2 VPP. CMMR [dB] = differential gain (Gv) + common mode attenuation (Ac), (Test setup according Fig. 9; mismatch of input coupling capacitors excluded). 5. Input signal rejection ratio is measured across RL; Vi = Vi(max) = 2 VPP. ISSR [dB] = different gain (Gv) + mute attenuation (Am) 6. Noise output voltage is measured in a bandwidth of 20 Hz to 20 kHz. 7. Noise output voltage is independent of source impedance Rs. 70 80 - - Gv (-1 dB); note 2 16 60 45 - - - - 25 20 90 60 MIN. 20 70 55 20 0.03 0.06 10 26 - 150 70 90 80 90 100 60 TYP. - - - - - - - 27 - - - - - - 150 - MAX. W W W kHz % % % dB kHz k dB dB dB dB µV µV UNIT
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
TDA1562Q
handbook, full pagewidth
+ VP 9 Ci supply 1 7 10
Ci VCM
TDA1562
2 14 SGND 17 PGND1 PGND2 6 12 11
RL
GND
MGL270
Fig.9 CMRR test setup.
QUALITY SPECIFICATION Quality in accordance with "SNW-FQ-611 part E", if this type is used as an audio amplifier.
1998 Apr 07
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C1- 3 CLASS-B CLASS-H FAST MUTE STANDBY MUTE ON status I/O 16 TEMPERATURE SENSOR mode select 4 disable LIFT-SUPPLY 100 nF 1 IN+ 1/2*Rs audio source 1/2*Rs 100 nF 2 IN- 10 µF 14 Vref 15 k 17 signal GND 15 C2-
handbook, full pagewidth
TEST AND APPLICATION INFORMATION
Philips Semiconductors
70 W high efficiency power amplifier with diagnostic facility
4700 µF C1+ 5 VP1 9
100 nF VP2 10
2200 µF
+ VP
LOAD DUMP PROTECTION
CURRENT PROTECTION
VP* + 75 k - AMP. POWERSTAGE DIAGNOSTIC INTERFACE FEEDBACK CIRCUIT 75 k 7 OUT+ + VP RL = 4
TDA1562Q
LOAD DETECTOR
DYNAMIC DISTORTION DETECTOR
10 k 8 diagnostic 11 OUT-
14
- + AMP.
POWERSTAGE VP* LIFT-SUPPLY TEMPERATURE PROTECTION
disable
reference voltage
13 C2+ PGND1
6
12 PGND2
Preliminary specification
4700 µF
TDA1562Q
GND
MGL271
Fig.10 Test and application circuit.
Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
PACKAGE OUTLINE DBS17P: plastic DIL-bent-SIL power package; 17 leads (lead length 12 mm)
TDA1562Q
SOT243-1
non-concave D x Dh
Eh
view B: mounting base side
d
A2
B j E A
L3
L
Q c v M
1 Z e e1 bp w M
17 m e2
0
5 scale
10 mm
DIMENSIONS (mm are the original dimensions) UNIT mm Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT243-1 REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION A 17.0 15.5 A2 4.6 4.2 bp 0.75 0.60 c 0.48 0.38 D (1) 24.0 23.6 d 20.0 19.6 Dh 10 E (1) 12.2 11.8 e 2.54 e1 e2 Eh 6 j 3.4 3.1 L 12.4 11.0 L3 2.4 1.6 m 4.3 Q 2.1 1.8 v 0.8 w 0.4 x 0.03 Z (1) 2.00 1.45
1.27 5.08
ISSUE DATE 95-03-11 97-12-16
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
SOLDERING Introduction There is no soldering method that is ideal for all IC packages. Wave soldering is often preferred when through-hole and surface mounted components are mixed on one printed-circuit board. However, wave soldering is not always suitable for surface mounted ICs, or for printed-circuits with high population densities. In these situations reflow soldering is often used. This text gives a very brief insight to a complex technology. A more in-depth account of soldering ICs can be found in our "IC Package Databook" (order code 9398 652 90011). Soldering by dipping or by wave The maximum permissible temperature of the solder is 260 °C; solder at this temperature must not be in contact with the joint for more than 5 seconds. The total contact time of successive solder waves must not exceed 5 seconds. DEFINITIONS Data sheet status Objective specification Preliminary specification Product specification Limiting values
TDA1562Q
The device may be mounted up to the seating plane, but the temperature of the plastic body must not exceed the specified maximum storage temperature (Tstg max). If the printed-circuit board has been pre-heated, forced cooling may be necessary immediately after soldering to keep the temperature within the permissible limit. Repairing soldered joints Apply a low voltage soldering iron (less than 24 V) to the lead(s) of the package, below the seating plane or not more than 2 mm above it. If the temperature of the soldering iron bit is less than 300 °C it may remain in contact for up to 10 seconds. If the bit temperature is between 300 and 400 °C, contact may be up to 5 seconds.
This data sheet contains target or goal specifications for product development. This data sheet contains preliminary data; supplementary data may be published later. This data sheet contains final product specifications.
Limiting values given are in accordance with the Absolute Maximum Rating System (IEC 134). Stress above one or more of the limiting values may cause permanent damage to the device. These are stress ratings only and operation of the device at these or at any other conditions above those given in the Characteristics sections of the specification is not implied. Exposure to limiting values for extended periods may affect device reliability. Application information Where application information is given, it is advisory and does not form part of the specification. LIFE SUPPORT APPLICATIONS These products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
NOTES
TDA1562Q
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
NOTES
TDA1562Q
1998 Apr 07
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Philips Semiconductors
Preliminary specification
70 W high efficiency power amplifier with diagnostic facility
NOTES
TDA1562Q
1998 Apr 07
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SCA59
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Printed in The Netherlands
545102/1200/01/pp20
Date of release: 1998 Apr 07
Document order number:
9397 750 03043