SA58637 is 2 x 2.2W BTL audio amplifier manufactured by NXP Semiconductors.
| Part Number | Description |
|---|---|
| SA58631 | 3W BTL Audio Amplifier |
| SA58632 | 2 x 2.2W BTL Audio Amplifier |
| SA58635 | 2 X 25 MW Class-G Stereo Headphone Driver |
| SA58603 | High precision operational amplifier |
| SA58641 | High performance mixer FM-IF |
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 prised of two Bridge-Tied Load (BTL) amplifiers with a plementary PNP-NPN output stage and standby/mute logic.
