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AD8656

Analog Devices
Part Number AD8656
Manufacturer Analog Devices
Description (AD8655 / AD8656) Precision CMOS Amplifier
Published Jan 19, 2007
Detailed Description Data Sheet FEATURES Low noise: 2.7 nV/√Hz at f = 10 kHz Low offset voltage: 250 µV max over VCM Offset voltage drift: 0....
Datasheet PDF File AD8656 PDF File

AD8656
AD8656

Overview
Data Sheet FEATURES Low noise: 2.
7 nV/√Hz at f = 10 kHz Low offset voltage: 250 µV max over VCM Offset voltage drift: 0.
4 µV/°C typ and 2.
3 µV/°C max Bandwidth: 28 MHz Rail-to-rail input/output Unity gain stable 2.
7 V to 5.
5 V operation −40°C to +125°C operation Qualified for automotive applications APPLICATIONS ADC and DAC buffers Audio Industrial controls Precision filters Digital scales Automotive collision avoidance PLL filters GENERAL DESCRIPTION The AD8655/AD8656 are the industry’s lowest noise, precision CMOS amplifiers.
They leverage the Analog Devices DigiTrim® technology to achieve high dc accuracy.
The AD8655/AD8656 provide low noise (2.
7 nV/√Hz at 10 kHz), low THD + N (0.
0007%), and high precision performance (250 µV max over VCM) to low voltage applications.
The ability to swing rail-to-rail at the input and output enables designers to buffer analog-to-digital converters (ADCs) and other wide dynamic range devices in single-supply systems.
Low Noise, Precision CMOS Amplifier AD8655/AD8656 05304-048 05304-059 PIN CONFIGURATIONS NC 1 –IN 2 +IN 3 V– 4 AD8655 TOP VIEW (Not to Scale) 8 NC 7 V+ 6 OUT 5 NC NC = NO CONNECT Figure 1.
AD8655 8-Lead MSOP (RM-8) 8-Lead SOIC (R-8) OUT A 1 –IN A 2 +IN A 3 V– 4 AD8656 TOP VIEW (Not to Scale) 8 V+ 7 OUT B 6 –IN B 5 +IN B Figure 2.
AD8656 8-Lead MSOP (RM-8) 8-Lead SOIC (R-8) The high precision performance of the AD8655/AD8656 improves the resolution and dynamic range in low voltage applications.
Audio applications, such as microphone pre-amps and audio mixing consoles, benefit from the low noise, low distortion, and high output current capability of the AD8655/AD8656 to reduce system level noise performance and maintain audio fidelity.
The high precision and rail-to-rail input and output of the AD8655/ AD8656 benefit data acquisition, process controls, and PLL filter applications.
The AD8655/AD8656 are fully specified over the −40°C to +125°C temperature range.
The AD8655/AD8656 are available in Pb-free, 8-...


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