SA58670 PDF Datasheet
Please enter the part number you wish to PDF download in the search bar.
Description
This is 2.1 W/channel stereo class-D audio amplifier. SA58670
2.1 W, channel stereo class-D audio ampli er
Rev. 01 4 January 2008 Product data sheet
1. General description
The SA58670 is a stereo, lter-free class-D audio ampli er which is available in an HVQFN20 package with the exposed Die Attach Paddle (DAP).
The SA58670 features independent shutdown controls for each channel. The gain may be set at 6 dB, 12 dB, 18 dB or 24 dB with gain select pins G0 and G1. Improved immunity to noise and RF recti cation is increased by high PSRR and differential circuit topology. Fast start-up time and small package makes it an ideal choice for both cellular handsets and PDAs. The SA58670 delivers 1.4 W, channel at 5.0 V and 720 mW, channel at 3.6 V into 8 Ω. It delivers 2.1 W, channel at 5.0 V into 4 Ω. The maximum power ef ciency is excellent at 70 % to 74 % into 4 Ω and 84 % to 88 % into 8 Ω. The SA58670 provides thermal and short-circuit shutdown protection.
2. Features
I Output power: N 2.1 W, channel into 4 Ω at 5.0 V N 1.4 .