音频类比数位转换器
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音频类比数位转换器
AD22653B-QH14NAR
The AD22653B is a 2-Vrms cap-less stereo line driver. The device is ideal for single supply electronics. Cap-less design can eliminate output dc-blocking capacitors for better low frequency response and save cost.
The AD22653B is capable of delivering 2-Vrms output into a 10kΩ load with 3.3V supply. The gain settings can be set by users from ±1V/V to ±10V/V externally, and gain can be configured individually for R/L channel. The AD22653B has built-in active-mute control for pop-less audio on/off control. The AD22653B has internal and external under voltage protection to prevent POP noise. Built-in de-pop control sequence also help AD22653B to be a pop-less device.
The AD22653B is available in a 14-pin TSSOP package.
Features
Operation Voltage: 3.0V to 3.6V
Cap-less Output
- Eliminates Output Capacitors
- Improves Low Frequency Response
- Reduces POP/Clicks
- Reduce Board Area and Component Cost
Low Noise and THD
- Typical SNR 107dB
- Typical Vn 7uVrms
- Typical THD+N < 0.02%
Maximum Output Voltage Swing into 10kΩ Load - 2Vrms at 3.3V Supply Voltage
16Ω Output Load Compliant
Differential Input, single-Ended Output
External Gain Setting from 1V/V to 10V/V
Fast Start-up Time : 0.5ms
Integrated De-Pop Control
External Under Voltage Protection
Thermal Protection
Active Mute Control for Pop-less Audio ON/OFF Control
+/-8kV IEC ESD Protection at line outputs
Applications
LCD / PDP TVs
CD / DVD players
Set-Top Boxes
Home Theater in Box
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