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8-pin small-outline integrated circuit package in SOIC format

AD820BR General Description

The AD820BR is a precision and low power operational amplifier designed to meet the needs of various applications. With an operating voltage range from 5V to 36V on a single supply or ±2.5V to ±18V on dual supplies, this op amp provides versatility in voltage configurations. Its true single-supply capability enables it to process input signals below ground in single-supply mode, adding to its adaptability in different scenarios. The AD820BR boasts impressive performance metrics, including a maximum offset voltage of 800µV, offset voltage drift of 2µV/°C, and typical input bias currents below 25pA. These features ensure excellent DC precision even with source impedances up to 1 GΩ. Furthermore, the amplifier delivers a unity gain bandwidth of 1.8 MHz, low THD of -93 dB at 10 kHz, and a slew rate of 3 V/µs while only consuming 800µA of supply current. It can drive up to 350 pF of capacitive load and provides a minimum output current of 15mA, making it suitable for applications such as battery-powered instrumentation, photodiode preamps, active filters, and data acquisition systems

Key Features

  • Fast settling time
  • Low power consumption
  • High accuracy guaranteed


  • Industrial signal conditioning
  • Battery-powered sensors
  • Medical data acquisition


Product Category Precision Amplifiers Series AD820
Number of Channels 1 Channel GBP - Gain Bandwidth Product 1.8 MHz
SR - Slew Rate 3 V/us CMRR - Common Mode Rejection Ratio 80 dB
Ib - Input Bias Current 10 pA Vos - Input Offset Voltage 100 uV
en - Input Voltage Noise Density 25 nV/sqrt Hz Supply Voltage - Max 36 V, +/- 18 V
Supply Voltage - Min 5 V, +/- 2.5 V Operating Supply Current 900 uA
Minimum Operating Temperature - 40 C Maximum Operating Temperature + 85 C
Shutdown No Shutdown Mounting Style SMD/SMT
Dual Supply Voltage +/- 3 V, +/- 5 V, +/- 9 V, +/- 12 V, +/- 15 V Height 1.5 mm
Length 5 mm Maximum Dual Supply Voltage +/- 18 V
Minimum Dual Supply Voltage +/- 2.5 V Operating Supply Voltage 5 V to 36 V
Output Type Rail-to-Rail Pd - Power Dissipation 1 W
Product Precision Amplifiers Product Type Precision Amplifiers
PSRR - Power Supply Rejection Ratio 80 dB Factory Pack Quantity 98
Subcategory Amplifier ICs Type General Purpose Amplifier
Voltage Gain dB 120 dB Width 4 mm
Unit Weight 0.019048 oz Package/Case SOIC-8

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