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ADA4622-1 Dataheets PDF



Part Number ADA4622-1
Manufacturers Analog Devices
Logo Analog Devices
Description Precision Op Amp
Datasheet ADA4622-1 DatasheetADA4622-1 Datasheet (PDF)

Data Sheet ADA4622-1/ADA4622-2/ADA4622-4 30 V, 8 MHz, Low Bias Current, Single Supply, RRO, Precision Op Amp FEATURES PIN CONFIGURATION ► Next generation of the AD820/AD822/AD824 ► Wide gain bandwidth product: 8 MHz typical ► High slew rate ► 23 V/µs typical (low to high) ► −18 V/µs typical (high to low) ► Low input bias current: ±10 pA maximum at TA = 25°C ► Low offset voltage ► A grade: ±0.8 mV maximum at TA = 25°C ► B grade: ±0.35 mV maximum at TA = 25°C ► Low offset voltage drift ► A grad.

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Data Sheet ADA4622-1/ADA4622-2/ADA4622-4 30 V, 8 MHz, Low Bias Current, Single Supply, RRO, Precision Op Amp FEATURES PIN CONFIGURATION ► Next generation of the AD820/AD822/AD824 ► Wide gain bandwidth product: 8 MHz typical ► High slew rate ► 23 V/µs typical (low to high) ► −18 V/µs typical (high to low) ► Low input bias current: ±10 pA maximum at TA = 25°C ► Low offset voltage ► A grade: ±0.8 mV maximum at TA = 25°C ► B grade: ±0.35 mV maximum at TA = 25°C ► Low offset voltage drift ► A grade: ±4 µV/°C maximum ► B grade: ±2 µV/°C maximum (ADA4622-2 only) ► B grade: ±1 µV/°C maximum (ADA4622-1 only) ► Input voltage range includes Pin V− ► Rail-to-rail output ► Electromagnetic interference rejection ratio (EMIRR) ► 90 dB typical at f = 1000 MHz and f = 2400 MHz ► Industry-standard package and pinouts APPLICATIONS ► High output impedance sensor interfaces ► Photodiode sensor interfaces ► Transimpedance amplifiers ► ADC drivers ► Precision filters and signal conditioning Figure 1. 8-Lead Mini Small Outline Package [MSOP] Pin Configuration (See the Pin Configurations and Function Descriptions Section for Additional Pin Configurations) GENERAL DESCRIPTION The ADA4622-1/ADA4622-2/ADA4622-4 are the next generation of the AD820/AD822/AD824 single-supply, rail-to-rail output (RRO), precision junction field effect transistors (JFET) input op amps. The ADA4622-1/ADA4622-2/ADA4622-4 include many improvements that make them desirable as upgrades without compromising the flexibility and ease of use that makes the AD820/AD822/AD824 useful for a wide variety of applications. The input voltage range includes the negative supply and the output swings rail-to-rail. Input EMI filters increase the signal robustness in the face of closely located switching noise sources. The speed, in terms of bandwidth and slew rate, increases along with a strong output drive to improve settling time performance and enables the devices to drive the inputs of modern single-ended, successive approximation register (SAR) analog-to-digital converters (ADCs). Voltage noise is reduced; although the supply current remains the same as the AD820/AD822/AD824, broadband noise is reduced by 25%, and 1/f is reduced by half. DC precision in the ADA4622-1/ ADA4622-2/ADA4622-4 improved from the AD820/AD822/AD824 with half the offset and a maximum thermal drift specification added to the ADA4622-1/ADA4622-2/ ADA4622-4. The common-mode rejection ratio (CMRR) is improved from the AD820/AD822/AD824 to make the ADA4622-1/ADA4622-2/ADA4622-4 more suitable when used in noninverting gain and difference amplifier configurations. Rev. F DOCUMENT FEEDBACK TECHNICAL SUPPORT The ADA4622-1/ADA4622-2/ADA4622-4 are specified for operation over the extended industrial temperature range of −40°C to +125°C, and operate from 5 V to 30 V, with specifications at +5 V, ±5 V, and ±15 V. The ADA4622-1 is available in a 5-lead SOT-23 package and an 8-lead LFCSP package. The ADA4622-2 is available in an 8-lead SOIC_N p.


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