ADI推出ADA4927低失真、高速電流回饋型差分放大器
ADA4927-1/ADA4927-2是低噪聲、低失真、高速電流回饋型差分放大器，適合在DC～100 MHz頻率范圍內驅動分辨率高達16 bit的高性能ADC。ADA4927-1／-2的輸出共模電平可調，能夠容易的實現與所需的ADC輸入共模電平的匹配。內部共模回饋環路還可提供出色的輸出平衡和偶次諧波失真抑制。
產品規格：
−3 dB Small Signal Bandwidth @ VOUT, dm = 0.1 V pp —2300MHz
−3 dB Large Signal Bandwidth @ VOUT, dm = 2.0Vpp—1500MHz
Bandwidth for 0.1 dB Flatness —150 MHz
Slew Rate —5000 V/us
Settling Time to 0.1%—10 ns
Overdrive Recovery Time—10 ns
Low input offset voltage：—0.3 mV typical
產品特性：
Extremely low harmonic distortion
−105 dBc HD2 @ 10 MHz
−91 dBc HD2 @ 70 MHz
−87 dBc HD2 @ 100 MHz
−103 dBc HD3 @ 10 MHz
−98 dBc HD3 @ 70 MHz
−89 dBc HD3 @ 100 MHz
Better distortion at higher gains than VF amplifiers
Low input voltage noise：1.4 nV／√Hz
High speed
−3 dB bandwidth of 2.3 GHz
0.1 dB gain flatness：150 MHz
Slew rate：5000 V／µs, 25% to 75%
Fast 0.1% settling time：10 ns
Low input offset voltage：0.3 mV typical
Externally adjustable gain
Stability and bandwidth controlled by feedback resistor
See data sheet for additional Features
產品應用：ADC drivers／Differential buffers
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( 發表人：發燒友 )