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TDA8542AT

NXP
Part Number TDA8542AT
Manufacturer NXP
Description 2 x 1.5 W BTL audio amplifier
Published Apr 16, 2005
Detailed Description INTEGRATED CIRCUITS DATA SHEET TDA8542AT 2 × 1.5 W BTL audio amplifier Product specification Supersedes data of 1997 No...
Datasheet PDF File TDA8542AT PDF File

TDA8542AT
TDA8542AT

Overview
INTEGRATED CIRCUITS DATA SHEET TDA8542AT 2 × 1.
5 W BTL audio amplifier Product specification Supersedes data of 1997 Nov 14 File under Integrated Circuits, IC01 1998 Mar 25 Philips Semiconductors Product specification 2 × 1.
5 W BTL audio amplifier FEATURES • Flexibility in use • Few external components • Low saturation voltage of output stage • Gain can be fixed with external resistors • Standby mode controlled by CMOS compatible levels • Low standby current • No switch-on/switch-off plops • High supply voltage ripple rejection • Protected against electrostatic discharge • Outputs short-circuit safe to ground, VCC and across the load • Thermally protected.
QUICK REFERENCE DATA SYMBOL VCC Iq Istb Po THD SVRR PARAMETER supply voltage quiescent current standby current output power total harmonic distortion supply voltage ripple rejection THD = 10%; RL = 8 Ω; VCC = 6 V Po = 0.
5 W VCC = 6 V CONDITIONS MIN.
2.
2 − − 1 − 50 APPLICATIONS • Portable consumer products • Personal computers • Motor-driver (servo).
GENERAL DESCRIPTION TDA8542AT The TDA8542AT is a two channel audio power amplifier for an output power of 2 × 1.
5 W with an 8 Ω load at a 6 V supply.
The circuit contains two Bridge-Tied Load (BTL) amplifiers with a complementary PNP-NPN output stage and standby/mute logic.
The TDA8542AT comes in a 20-pin SO package.
TYP.
6 15 − 1.
5 0.
15 − MAX.
18 22 10 − − − UNIT V mA µA W % dB ORDERING INFORMATION TYPE NUMBER TDA8542AT PACKAGE NAME SO20 DESCRIPTION plastic small outline package; 20 leads; body width 7.
5 mm VERSION SOT163-1 1998 Mar 25 2 Philips Semiconductors Product specification 2 × 1.
5 W BTL audio amplifier BLOCK DIAGRAM TDA8542AT handbook, full pagewidth VCCL VCCR 19 12 − INL− INL+ 17 16 − + R VCCL R 18 OUTL− 20 kΩ − − + 3 OUTL+ 20 kΩ STANDBY/MUTE LOGIC − INR− INR+ 14 15 TDA8542AT 13 OUTR− − + R VCCR R 20 kΩ 5 20 kΩ 4 6 − − + 8 OUTR+ SVR MODE BTL/SE STANDBY/MUTE LOGIC 7 n.
c.
1 10 11 20 2 LGND 9 RGND MGM211 GND GND GND GN...


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