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(nèi)驅(qū)動(dòng)分辨率高達(dá)16 bit的高性能ADC。ADA4927-1／-2的輸出共模電平可調(diào)，能夠容易的實(shí)現(xiàn)與所需的ADC輸入共模電平的匹配。內(nèi)部共模回饋環(huán)路還可提供出色的輸出平衡和偶次諧波失真抑制。

產(chǎn)品規(guī)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(chǎn)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(chǎn)品應(yīng)用：ADC drivers／Differential buffers