ADI推出ADA4927低失真、高速电流回馈型差分放大器

ADA4927-1/ADA4927-2是低噪声、低失真、高速电流回馈型差分放大器，适合在DC～100 MHz频率范围内驱动分辨率高达16 bit的高性能ADC。ADA4927-1／-2的输出共模电平可调，能够容易的实现与所需的ADC输入共模电平的匹配。内部共模回馈环路还可提供出色的输出平衡和偶次谐波失真抑制。

产品规格：

−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

产品特性：

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

产品应用：ADC drivers／Differential buffers