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Low noise density High Current Output Line Driver Amplifier AD8397

 2016-05-25

【产品特性】

"Low noise
•4.5 nV/√Hz voltage noise density @ 100 kHz
•1.5 pA/√Hz current noise density @ 100 kHz"
"High linear output current
•310 mA peak into 32 Ω on ±12 V supplies while maintaining -80 dBc SFDR"
•Wide supply range: from 3 V to 24 V
"Rail-to-rail output
•Output swing to within 0.5 V of supply rails"
"High speed
•69 MHz bandwidth (G = 1, -3 dB)
•53 V/µs slew rate (RLOAD = 25 Ω)"

【产品应用】

•Smart Phone and Handheld Device High Quality Audio applications
•Twisted-pair line drivers
•General-purpose ac applications
•Audio applications

【文字介绍】

AD8397内置两个电压回馈型运算放大器,能够以出色的线性度驱动高负载。共发射极、轨到轨输出级的输出电压能力优于典型发射极-跟随器输出级,驱动25 Ω负载时摆幅可以达到任一供电轨的0.5 V范围以内。低失真、高输出电流和宽输出动态范围使AD8397特别适合要求高负载上大信号摆幅的应用。
AD8397采用ADI公司的高速超快速互补双极性高压(XFCB-HV)工艺制造,高带宽和快速压摆率特性使失真和功耗均降至最低。它采用标准8引脚SOIC封装;针对较高功耗应用,还提供散热增强型8引脚SOIC EPAD封装。两种封装的工作温度范围均为-40°C至+85°C。