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INTEGRATED CIRCUITS
DATA SHEET
TDA1524A Stereo-tone/volume control circuit
Product specification File under Integrated Circuits, IC01 September 1987
Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
GENERAL DESCRIPTION
TDA1524A
The device is designed as an active stereo-tone/volume control for car radios, TV receivers and mains-fed equipment. It includes functions for bass and treble control, volume control with built-in contour (can be switched off) and balance. All these functions can be controlled by d.c. voltages or by single linear potentiometers. Features · Few external components necessary · Low noise due to internal gain · Bass emphasis can be increased by a double-pole low-pass filter · Wide power supply voltage range. QUICK REFERENCE DATA Supply voltage (pin 3) Supply current (pin 3) Maximum input signal with d.c. feedback (r.m.s. value) Maximum output signal with d.c. feedback (r.m.s. value) Volume control range Bass control range at 40 Hz Treble control range at 16 kHz Total harmonic distortion Output noise voltage (unweighted; r.m.s. value) at f = 20 Hz to 20 kHz; VP = 12 V; for max. voltage gain for voltage gain Gv = -40 dB Channel separation at Gv = -20 to + 21,5 dB Tracking between channels at Gv = -20 to + 26 dB Ripple rejection at 100 Hz Supply voltage range (pin 3) Operating ambient temperature range Gv RR VP = V3-18 Tamb max. typ. 2,5 50 dB dB V °C cs typ. 60 dB Vno(rms) Vno(rms) typ. typ. 310 100 µV µV Vo(rms) Gv Gv Gv THD typ. 3 V dB dB dB % -80 to + 21,5 -19 to + 17 typ. typ. ±15 0,3 Vi(rms) typ. 2,5 V VP = V3-18 IP = I3 typ. typ. 12 35 V mA
7,5 to 16,5 -30 to + 80
PACKAGE OUTLINE 18-lead DIL; plastic (SOT102); SOT102-1; 1996 July 22.
September 1987
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September 1987
Philips Semiconductors
Stereo-tone/volume control circuit
3 Product specification
(1) Series resistor is recommended in the event of the capacitive loads exceeding 200 pF.
TDA1524A
Fig.1 Block diagram and application circuit with single-pole filter.
Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
Fig.2 Double-pole low-pass filter for improved bass-boost.
Fig.3 D.C. feedback with filter network for improved signal handling.
September 1987
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134) Supply voltage (pin 3) Total power dissipation Storage temperature range Operating ambient temperature range VP = V3-18 max. Ptot Tstg Tamb max.
TDA1524A
20 V 1200 mW
-55 to + 150 °C -30 to +80 °C
D.C. CHARACTERISTICS VP = V3-18 = 12 V; Tamb = 25 °C; measured in Fig.1; RG 600 ; RL 4,7 k; CL 200 pF; unless otherwise specified PARAMETER Supply (pin 3) Supply voltage Supply current at VP = 8,5 V at VP = 12 V at VP = 15 V D.C. input levels (pins 4 and 15) at VP = 8,5 V at VP = 12 V at VP = 15 V D.C. output levels (pins 8 and 11) under all control voltage conditions with d.c. feedback (Fig.3) at VP = 8,5 V at VP = 12 V at VP = 15 V Pin 17 Internal potentiometer supply voltage at VP = 8,5 V Contour on/off switch (control by I17) contour (switch open) linear (switch closed) Application without internal potentiometer supply voltage at VP 10,8 V (contour cannot be switched off) Voltage range forced to pin 17 V17-18 4,5 - VP/2-VBE V -I17 -I17 - 1,5 - - 0,5 10 mA mA V17-18 3,5 3,75 4,0 V V8,11-18 V8,11-18 V8,11-18 3,3 4,6 5,7 4,25 6,0 7,5 5,2 7,4 9,3 V V V V4,15-18 V4,15-18 V4,15-18 3,8 5,3 6,5 4,25 5,9 7,3 4,7 6,6 8,2 V V V IP = I3 IP = I3 IP = I3 19 25 30 27 35 43 35 45 56 mA mA mA VP = V3-18 7,5 - 16,5 V SYMBOL MIN. TYP. MAX. UNIT
September 1987
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
PARAMETER D.C. control voltage range for volume, bass, treble and balance (pins 1, 9, 10 and 16 respectively) at V17-18 = 5 V using internal supply Input current of control inputs (pins 1,9,10 and 16)
SYMBOL
MIN.
TYP.
MAX.
UNIT
V1,9,10,16 V1,9,10,16 -I1,9,10,16
1,0 0,25 -
- - -
4,25 3,8 5
V V µA
A.C. CHARACTERISTICS VP = V3-18 = 8,5 V; Tamb = 25 °C; measured in Fig.1; contour switch closed (linear position); volume, balance, bass, and treble controls in mid-position; RG 600 ; RL 4,7 k; CL 200 pF; f = 1 kHz; unless otherwise specified PARAMETER Control range Max. gain of volume (Fig.5) Volume control range; Gv max/Gv min Balance control range; Gv = 0 dB (Fig.6) Bass control range at 40 Hz (Fig.7) Treble control range at 16 kHz (Fig.8) Control characteristics Signal inputs, outputs Input resistance; pins 4 and 15 (note 1) at gain of volume control:Gv = 20 dB Gv = -40 dB Output resistance (pins 8 and 11) Signal processing Power supply ripple rejection at VP(rms) 200 mV; f = 100 Hz; Gv = 0 dB Channel separation (250 Hz to 10 kHz) at Gv = -20 to + 21,5 dB Spread of volume control with constant control voltage V1-18 = 0,5 V17-18 Gain tolerance between left and right channel V16-18 = V1-18 = 0,5 V17-18 Tracking between channels for Gv = 21,5 to -26 dB f = 250 Hz to 6,3 kHz; balance adjusted at Gv = 10 dB Gv - - 2,5 dB Gv,L-R - - 1,5 dB Gv - - ±3 dB cs 46 60 - dB RR 35 50 - dB Ri4,15 Ri4,15 Ro8,11 10 - - - 160 - - - 300 k k Gv max Gv Gv Gv Gv 20,5 90 - - - 21,5 100 -40 ± 15 ± 3 23 - - - dB dB dB dB dB SYMBOL MIN. TYP. MAX. UNIT
-19 to + 17 ± 3
see Fig.9 and 10
September 1987
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
PARAMETER Signal handling with d.c. feedback (Fig.3) Input signal handling at VP = 8,5 V; THD = 0,5%; f = 1 kHz (r.m.s. value) at VP = 8,5 V; THD = 0,7%; f = 1 kHz (r.m.s. value) at VP = 12 V; THD = 0,5%; f = 40 Hz to 16 kHz (r.m.s. value) at VP = 12 V; THD = 0,7%; f = 40 Hz to 16 kHz (r.m.s. value) at VP = 15 V; THD = 0,5%; f = 40 Hz to 16 kHz (r.m.s. value) at VP = 15 V; THD = 0,7%; f = 40 Hz to 16 kHz (r.m.s. value) Output signal handling (note 2 and note 3) at VP = 8,5 V; THD = 0,5%; f = 1 kHz (r.m.s. value) at VP = 8,5 V; THD = 10%; f = 1 kHz (r.m.s. value) at VP = 12 V; THD = 0,5%; f = 40 Hz to 16 kHz (r.m.s. value) at VP = 15 V; THD = 0,5%; f = 40 Hz to 16 kHz (r.m.s. value) Noise performance (VP = 8,5 V) Output noise voltage (unweighted; Fig.15) at f = 20 Hz to 20 kHz (r.m.s. value) for maximum voltage gain (note 4) for Gv = -3 dB (note 4) Output noise voltage; weighted as DIN 45405 of 1981, CCIR recommendation 468-2 (peak value) for maximum voltage gain (note 4) for maximum emphasis of bass and treble (contour off; Gv = -40 dB)
SYMBOL
MIN.
TYP.
MAX.
UNIT
Vi(rms) Vi(rms) Vi(rms) Vi(rms) Vi(rms) Vi(rms)
1,4 1,8 1,4 2,0 1,4 2,0
- 2,4 - 3,2 - 3,2
- - - - - -
V V V V V V
Vo(rms) Vo(rms) Vo(rms) Vo(rms)
1,8 - 2,5 -
2,0 2,2 3,0 3,5
- - - -
V V V V
Vno(rms) Vno(rms)
- -
260 70
- 140
µV µV
Vno(m) Vno(m)
- -
890 360
- -
µV µV
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
PARAMETER Noise performance (VP = 12 V) Output noise voltage (unweighted; Fig.15) at f = 20 Hz to 20 kHz (r.m.s. value; note 5) for maximum voltage gain (note 4) for Gv = -16 dB (note 4) Output noise voltage; weighted as DIN 45405 of 1981, CCIR recommendation 468-2 (peak value) for maximum voltage gain (note 4) for maximum emphasis of bass and treble (contour off; Gv = -40 dB) Noise performance (VP = 15 V) Output noise voltage (unweighted; Fig.15) at f = 20 Hz to 20 kHz (r.m.s. value; note 5) for maximum voltage gain (note 4) for Gv = 16 dB (note 4) Output noise voltage; weighted as DIN 45405 of 1981, CCIR recommendation 468-2 (peak value) for maximum voltage gain (note 4) for maximum emphasis of bass and treble (contour off; Gv = -40 dB Notes to characteristics 1. Equation for input resistance (see also Fig.4) 160 k R i = ------------------ ;G vmax = 12 1 + Gv
SYMBOL
MIN.
TYP.
MAX.
UNIT
Vno(rms) Vno(rms)
- -
310 100
- 200
µV µV
Vno(m) Vno(m)
- -
940 400
- -
µV µV
Vno(rms) Vno(rms)
- -
350 110
- 220
µV µV
Vno(m) Vno(m)
- -
980 420
- -
µV µV
2. Frequencies below 200 Hz and above 5 kHz have reduced voltage swing, the reduction at 40 Hz and at 16 kHz is 30%. 3. In the event of bass boosting the output signal handling is reduced. The reduction is 1 dB for maximum bass boost. 4. Linear frequency response. 5. For peak values add 4,5 dB to r.m.s. values.
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
Fig.4 Input resistance (Ri) as a function of gain of volume control (Gv). Measured in Fig.1.
Fig.5
Volume control curve; voltage gain (Gv) as a function of control voltage (V1-18). Measured in Fig.1 (internal potentiometer supply from pin 17 used); VP = 8,5 V; f = 1 kHz.
September 1987
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
Fig.6
Balance control curve; voltage gain (Gv) as a function of control voltage (V16-18). Measured in Fig.1 (internal potentiometer supply from pin 17 used); VP = 8,5 V.
Fig.7
Bass control curve; voltage gain (Gv) as a function of control voltage (V9-18). Measured in Fig.1 with single-pole filter (internal potentiometer supply from pin 17 used); VP = 8,5 V; f = 40 Hz.
September 1987
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
Fig.8
Treble control curve; voltage gain (Gv) as a function of control voltage (V10-18). Measured in Fig.1 (internal potentiometer supply from pin 17 used); VP = 8,5 V; f = 16 kHz.
Fig.9
Contour frequency response curves; voltage gain (Gv) as a function of audio input frequency. Measured in Fig.1 with single-pole filter; VP = 8,5 V.
September 1987
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
Fig.10 Contour frequency response curves; voltage gain (Gv) as a function of audio input frequency. Measured in Fig.1 with double-pole filter; VP = 8,5 V.
Fig.11 Tone control frequency response curves; voltage gain (Gv) as a function of audio input frequency. Measured in Fig.1 with single-pole filter; VP = 8,5 V.
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
Fig.12 Tone control frequency response curves; voltage gain (Gv) as a function of audio input frequency. Measured in Fig.1 with double-pole filter; VP = 8,5 V.
Fig.13 Total harmonic distortion (THD); as a function of audio input frequency. Measured in Fig.1; VP = 8,5 V; volume control voltage gain at Vo G v = 20 log ----- = 0 dB. Vi September 1987 13
Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
TDA1524A
Fig.14 Total harmonic distortion (THD); as a function of output voltage (Vo). Measured in Fig.1; VP = 8,5 V; fi = 1 kHz.
(1) VP = 15 V. (2) VP = 12 V. (3) VP = 8,5 V.
Fig.15 Noise output voltage (Vno(rms); unweighted); as a function of voltage gain (Gv). Measured in Fig.1; f = 20 Hz to 20 kHz. September 1987 14
Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
PACKAGE OUTLINE DIP18: plastic dual in-line package; 18 leads (300 mil)
TDA1524A
SOT102-1
D seating plane
ME
A2
A
L
A1
c Z e b1 b 18 10 b2 MH w M (e 1)
pin 1 index E
1
9
0
5 scale
10 mm
DIMENSIONS (inch dimensions are derived from the original mm dimensions) UNIT mm inches A max. 4.7 0.19 A1 min. 0.51 0.020 A2 max. 3.7 0.15 b 1.40 1.14 0.055 0.044 b1 0.53 0.38 0.021 0.015 b2 1.40 1.14 0.055 0.044 c 0.32 0.23 0.013 0.009 D (1) 21.8 21.4 0.86 0.84 E (1) 6.48 6.20 0.26 0.24 e 2.54 0.10 e1 7.62 0.30 L 3.9 3.4 0.15 0.13 ME 8.25 7.80 0.32 0.31 MH 9.5 8.3 0.37 0.33 w 0.254 0.01 Z (1) max. 0.85 0.033
Note 1. Plastic or metal protrusions of 0.25 mm maximum per side are not included. OUTLINE VERSION SOT102-1 REFERENCES IEC JEDEC EIAJ EUROPEAN PROJECTION
ISSUE DATE 93-10-14 95-01-23
September 1987
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Philips Semiconductors
Product specification
Stereo-tone/volume control circuit
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
TDA1524A
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.
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