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Techcode - 4 Inputs Selectable Stereo Class-AB Audio Amplifier

Numéro de référence TD9772A
Description 4 Inputs Selectable Stereo Class-AB Audio Amplifier
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TD9772A fiche technique
Techcode®
4 Inputs Selectable Stereo Class-AB Audio Amplifier
DATASHEET
TD9772A
General Description
Features
TD9772A is an audio amplifier of Class-AB type. It
offers both excellent sound quality of
THD+N<0.03% , and input/output flexibilities.
TD9772A features three different output
configurations and four different input channels,
both selectable by external pins. Outputs can be
BTL,SE, or straight-through. There are four input
channels making it convenient for the multigadgets
modern age. On-chip DC volume control features
64 non-linear digital steps from 84dB to 24dB for
better responsive to human ears While output
power can be as high as 2.6W, the maximum
output voltage can be adjusted by an external bias
so that output power can be limited. Output pin
short protection and over temperature shutdown
modes are to ensure good system integrity.
Internal soft switching designs are to minimize click
and pop noises during power up/down, mute, and
channel switching instances.
Vin: 2.5V to 5.5V
Max Output Power (4-ohm speaker): 2.6W
- With 64 Steps Volume Control
- Adjustable max Output Power Limits
4 selectable Inputs
Supports 3 Output configurations: BTL, SE,
and Straight through.
- Maximum BTL gain: 24dB
- Maximum SE gain: 18dB
Quiescent Current: <10mA
Under Voltage Lockout at Vin <2V
Short Circuit Protection
Over Temperature Protection
No Click and Pop noise: <10mW for BTL
Applications
Ordering Information
Portable Music Center
Notebook PC
LCD Monitors
Order Number Package Type
TSSOP-24L
Remark

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