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发布者:来自网络 发布时间:2016/12/7 阅读:2164次   
AD22650B-3-Vrms Cap-Less Line Driver


AD22650B-3-Vrms Cap-Less Line Driver with Adjustable Gain DataSheet  

Description
The AD22650B is a 3-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 AD22650B is capable of delivering 3-Vrms
output into a 2.5k
 load with 5V supply. The gain
settings can be set by users from 1V/V to 10V/V
externally. The AD22650B has internal and external
under voltage protection to prevent POP noise.
Build-in shutdown control and de-pop control
sequence also help AD22650B to be a pop-less
device.
The AD22650B is available in a 14-pin TSSOP
package.

Features
z Operation Voltage: 3V to 5.5V
z Cap-less Output
- Eliminates Output Capacitors
- Improves Low Frequency Response
- Reduces POP/Clicks
z Low Noise and THD at 2.5k Load
- SNR > 102dB
- Typical Vn < 12uVrms
- THD+N < 0.02%
z Maximum Output Voltage Swing into 2.5k Load
- 2Vrms at 3.3V Supply Voltage
- 3Vrms at 5V Supply Voltage
z Differential Input
z External Gain Setting from 1V/V to 10V/V
z Fast Start-up Time : 2ms
z Integrated De-Pop Control
z External Under Voltage Protection
z Thermal Protection
z Less External Components Required
z +/-8kV IEC ESD Protection at line outputs

Applications
z LCD / PDP TVs
z CD / DVD players
z Set-Top Boxes
z Home Theater in Box

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