SA58637 Datasheet - NXP

SA58637 2 x 2.2W BTL audio amplifier

The SA58637 is a two-channel audio ampliﬁer in an HVQFN20 package. It provides power output of 2.2 W per channel with an 8 Ω load at 9 V supply. The internal circuit is comprised of two Bridge-Tied Load (BTL) ampliﬁers with a complementary PNP-NPN output stage and standby/mute logic. The SA58637 is .

SA58637 Features

* I Low junction-to-ambient thermal resistance using exposed die attach paddle I Gain can be ﬁxed with external resistors from 6 dB to 30 dB I Standby mode controlled by CMOS-compatible levels I Low standby current < 10 µA I No switch-on/switch-off plops I High power supply ripple rejection: 50 dB min

SA58637-NXP.pdf