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Ordering number: EN2683A
Monolithic Linear IC
LA4282 2-Channel 10 W AF Power Amplifier for Use in Home Stereo, TV Applications
Overview
The LA4282 is an IC which seals a high-output power amplifier for TVs and monitors in a compact package.
Package Dimensions
unit : mm
3049A-SIP12H
[LA4282]
Features
. High-power 2-channel AF power amplifier . Low distortion . Minimum number of external parts required required) . (no bootstrap capacitortime of power supply ON/OFF Low pop noise at the . Good ripple rejection (58 dB typ) . Wide operating voltage range . External muting available . On-chip protector against abnormality
(thermal shutdown, overvoltage)
SANYO : SIP12H
Specifications
Maximum Ratings at Ta = 25 °C
Parameter Maximum supply voltage Maximum output current Allowable power dissipation Operating temperature Storage temperature Symbol VCC max IO peak Pd max Topr Tstg With heat sink Quiescent Conditions Ratings 45 4 25 20 to +75 40 to +150 Unit V A W °C °C
Operating Conditions at Ta = 25°C
Parameter Recommended supply voltage Recommended load resistance Symbol VCC VCC op RL Conditions Ratings 32 10 to 40 8 Unit V V
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
22896HA(II)/7118TA,TS No.2683-1/6
LA4282
Operating Characteristics at Ta = 25°C, VCC= 32 V, RL = 8 , f = 1 kHz, Rg = 600 , See Test Circuit.
Parameter Quiescent current Voltage gain Voltage gain difference Output power Total harmonic distortion Output noise voltage Ripple rejection Crosstalk Muting Symbol ICCO(1) ICCO(2) VG VG PO (1) PO (2) THD VNO SVRR CT VO(MT) Conditions Quiescent Muting switch On min 30 30 38 9.0 10.0 typ 60 56 40 10.0 11.5 0.05 0.25 58 60 max 100 100 42 1.5 Unit mA mA dB dB W W % mV dB dB dBm
THD = 1% THD = 3% PO = 2 W Rg = 10 k, BW = 20 Hz to 20 kHz Rg = 10 k, fR = 100 Hz, VR = 0 dBm Rg = 10 k Muting switch On, VIN = 5 dBm
0.20 1.0
45 45
35
Equivalent Circuit Block Diagram and Pin Assignment
No.2683-2/6
LA4282
Test Circuit
Polyester film capacitor
Allowable power dissipation, Pd max - W
With arbitrarily large heat sink
Tightening torque 39Nccm With silicone grease applied
With 200 × 200 × 1.5 mm3 Al board
With 100 × 100 × 1.5 mm3 Al board
With 50 × 50 × 1.5 mm3 Al board Independent IC
Ambient temperature, Ta - °C
Output power, PO W
Supply voltage, VCC V
Output power, PO W
Supply voltage, VCC V
No.2683-3/6
LA4282
Output power, PO W
Frequency, f Hz
Mute OFF (RL = 8 )
Output power, PO W
Frequency, f Hz
Output signal level, VO - dBm
Noise level
Mute ON
Input voltage, VIN - dBm Total harmonic distortion, THD % Total harmonic distortion, THD %
Output Power, PO W
Input voltage,VIN mV
Output power, PO W Response f Current dissipation, ICC A
Frequency, f Hz
Response dB
Frequency, f Hz
Output power, PO W No.2683-4/6
Output ripple voltage, VRO mV
Output noise voltage, VNO mV
Allowable power dissipation, Pd W
Output power, PO W
Supply voltage, VCC V
Output power, PO W
Signal source resistance, Rg -
Supply voltage, VCC V
BW = 20 Hz to 20 kHz
LA4282
Crosstalk, C.T dB
Output ripple voltage, VRO mVms
Allowable power dissipation, Pd W
Allowable power dissipation, Pd W
Output power, PO W
Output power, PO W
Ripple voltage, VR Vrms
Frequency, f Hz
No.2683-5/6
LA4282
No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of February, 1996. Specifications and information herein are subject to change without notice.
No.2683-6/6