FT690 Description
The ft690 is a mono Class-AB audio p ower amplifier designed fo r demandin g applic ations in mobile phones and other portable media devices. It is capable of delivering 1. 25W of con tinuous outp ut power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply.
FT690 Key Features
- Ultra low current in shutdown mode
- Low quiescent current
- Improved pop & click circuitry eliminates noise during turn-on and turn-off transitions
- Supports both single-end and differential inputs
- Wide operating voltage range: 2.5 ~ 5.5V
- No output coupling capacitors, snubber networks or bootstrap capacitors required
- Available in space-saving package COL1.5X1.5-9L MSOP-8L
- Improved PSRR at 217Hz : 66dB
- Power Output at 5V, 1% THD+N, 8Ω: 1.25W
- Power Output at 3V, 1% THD+N, 8Ω: 425mW