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发布者:来自网络 发布时间:2016/11/22 阅读:3390次    关键字: 音频功放
AD22653B-2-Vrms Cap-Less Line Driver


AD22653B-2-Vrms Cap-Less Line Driver with Adjustable Gain DataSheet  

Description
    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 10k
 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
 600Output 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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