ADA4897-2

Data Sheet 1 nV/√Hz, Low Power, Rail-to-Rail Output Amplifiers ADA4896-2/ADA4897-1/ADA4897-2 FEATURES Low wideband noise 1 nV/√Hz 2.8 pA/√Hz Low 1/f noise: 2.4 nV/√Hz at 10 Hz Low distortion: −115 dBc at 100 kHz, VOUT = 2 V p-p Low power: 3 mA per amplifier Low input offset voltage: 0.5 mV maximum High speed −3 dB bandwidth: 230 MHz (G = +1) Slew rate: 120 V/μs Settling time to 0.1%: 45 ns Rail-to-rail output Wide supply range: 3 V to 10 V Disable feature (ADA4897-1/ADA4897-2) APPLICATIONS Low noise preamplifier Ultrasound amplifiers PLL loop filters High performance ADC drivers DAC buffers GENERAL DESCRIPTION The ADA4896-2/ADA4897-1/ADA4897-2 are unity-gain stable, low noise, rail-to-rail output, high speed voltage feedback amplifiers that have a quiescent current of 3 mA. With a 1/f noise of 2.4 nV/√Hz at 10 Hz and a spurious-free dynamic range of −80 dBc at 2 MHz, the ADA4896-2/ADA4897-1/ADA4897-2 are ideal solutions in a variety of applications, including ultrasound, low noise preamplifiers, and drivers of high performance ADCs. The Analog Devices, Inc., proprietary next-generation SiGe bipolar process and innovative architecture enable such high performance amplifiers. The ADA4896-2/ADA4897-1/ADA4897-2 have 230 MHz bandwidth, 120 V/μs slew rate, and settle to 0.1% in 45 ns. With a wide supply voltage range of 3 V to 10 V, the ADA4896-2/ ADA4897-1/ADA4897-2 are ideal candidates for systems that require high dynamic range, precision, low power, and high speed. The ADA489...