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SA58631

NXP
Part Number SA58631
Manufacturer NXP
Description 3W BTL Audio Amplifier
Published Jan 4, 2007
Detailed Description www.DataSheet4U.com SA58631 3 W BTL audio amplifier Rev. 01 — 8 March 2006 Product data sheet 1. General description Th...
Datasheet PDF File SA58631 PDF File

SA58631
SA58631

Overview
www.
DataSheet4U.
com SA58631 3 W BTL audio amplifier Rev.
01 — 8 March 2006 Product data sheet 1.
General description The SA58631 is a one channel audio amplifier in an HVSON8 package.
It provides power output of 3 W with an 8 Ω load at 9 V supply.
The internal circuit is comprised of a BTL (Bridge Tied Load) amplifier with a complementary PNP-NPN output stage and standby/mute logic.
The SA58631 is housed in an 8-pin HVSON package which has an exposed die attach paddle enabling reduced thermal resistance and increased power dissipation.
2.
Features s s s s s s s s s Low junction-to-ambient thermal resistance using exposed die attach paddle Gain can be fixed with external resistors from 6 dB to 30 dB Standby mode controlled by CMOS-compatible levels Low standby current < 10 µA No switch-on/switch-off plops High power supply ripple rejection: 50 dB minimum ElectroStatic Discharge (ESD) protection Output short circuit to ground protection Thermal shutdown protection 3.
Applications s Professional and amateur mobile radio s Portable consumer products: toys and games s Personal computer remote speakers www.
DataSheet4U.
com Philips Semiconductors SA58631 3 W BTL audio amplifier 4.
Quick reference data Table 1: Quick reference data VCC = 5 V; Tamb = 25 °C; RL = 8 Ω; f = 1 kHz; VMODE = 0 V; measured in test circuit Figure 3; unless otherwise specified.
Symbol VCC Iq Istb Po Parameter supply voltage quiescent current standby current output power Conditions operating RL = ∞ Ω VMODE = VCC THD+N = 10 % THD+N = 0.
5 % THD+N = 10 %; VCC = 9 V THD+N PSRR total harmonic distortion-plus-noise Po = 0.
5 W power supply rejection ratio [2] [3] [1] Min 2.
2 1 0.
6 50 40 Typ 9 8 1.
2 0.
9 3.
0 0.
15 - Max 18 12 10 0.
3 - Unit V mA µA W W W % dB dB [1] [2] With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the DC output offset voltage divided by RL.
Supply voltage ripple rejection is measured at the output with a source imped...


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