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AD623ARMZ

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Analog Devices Pre-ordered Chips, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AD623ARMZ

Analog Devices · Pre-ordered Chips · MSOP-8

AD623ARMZ from Analog Devices, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 -RG passive Inverting terminal of the external gain-setting resistor RG; a single resistor between pins 1 and 8 sets the gain (G = 1 with no resistor, up to 1000 with one).
2 -IN input Inverting in-amp input; the datasheet specifies an input common-mode range that extends 150 mV below ground in single-supply operation.
3 +IN input Noninverting in-amp input; the datasheet specifies an input common-mode range that extends 150 mV below ground in single-supply operation.
4 -VS power_in Negative supply terminal; the AD623 operates from supplies of 2.7 V to 12 V total, using either single or dual supplies.
5 REF input In-amp output reference input that establishes the common-mode voltage of the output.
6 OUTPUT output In-amp output with rail-to-rail swing.
7 +VS power_in Positive supply terminal; the AD623 operates from supplies of 2.7 V to 12 V total, using either single or dual supplies.
8 +RG passive Noninverting terminal of the external gain-setting resistor RG, paired with pin 1.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package MSOP-8
Category Interface ICs
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Gain Error G=1 0.03 0.1 % G = 1, VOUT = 0.15 V to 3.5 V 4
Gain Error G=10 0.1 0.35 % G > 1, VOUT = 0.15 V to 4.5 V 4
Gain Error G=100 0.1 0.35 % G > 1, VOUT = 0.15 V to 4.5 V 4
Gain Error G=1000 0.1 0.35 % G > 1, VOUT = 0.15 V to 4.5 V 4
Nonlinearity G=1 to 1000 50 ppm G = 1 to 1000, VOUT = 0.15 V to 3.5 V (G = 1); 0.15 V to 4.5 V (G > 1) 4
Gain vs. Temperature G=1 5 10 ppm/°C G = 1 4
Gain vs. Temperature G>1 50 ppm/°C G > 1 4
Input Offset Voltage VOSI VOSI 200 500 µV Input offset, RTI 4
Input Offset Voltage VOSI over temperature VOSI 350 650 µV Over temperature 4
Input Offset Voltage VOSI average tempco VOSI 0.1 2 µV/°C Average temperature coefficient (tempco) 4
Output Offset Voltage VOSO VOSO 500 2000 µV Output offset 4
Output Offset Voltage VOSO over temperature VOSO 1500 2600 µV Over temperature 4
Output Offset Voltage VOSO average tempco VOSO 2.5 10 µV/°C Average tempco 4
Offset Referred to Input vs. Supply (PSR) G=1 PSR 80 100 dB G = 1 4
Offset Referred to Input vs. Supply (PSR) G=10 PSR 100 120 dB G = 10 4
Offset Referred to Input vs. Supply (PSR) G=100 PSR 100 130 dB G = 100 4
Offset Referred to Input vs. Supply (PSR) G=1000 PSR 100 130 dB G = 1000 4
Input Bias Current IBIAS 17 25 nA 4
Input Bias Current over temperature IBIAS 27.5 nA Over temperature 4
Input Bias Current average tempco IBIAS 25 pA/°C Average tempco 4
Input Offset Current IOS 0.25 2 nA 4
Input Offset Current over temperature IOS 2.5 nA Over temperature 4
Input Offset Current average tempco IOS 5 pA/°C Average tempco 4
Common-Mode Rejection G=1 CMRR 70 80 dB At 60 Hz with 1 kΩ source imbalance; G = 1, VCM = 0 V to 3 V 5
Common-Mode Rejection G=10 CMRR 90 100 dB At 60 Hz with 1 kΩ source imbalance; VCM = 0 V to 3 V 5
Common-Mode Rejection G=100 CMRR 105 110 dB At 60 Hz with 1 kΩ source imbalance; VCM = 0 V to 3 V 5
Common-Mode Rejection G=1000 CMRR 105 110 dB At 60 Hz with 1 kΩ source imbalance; VCM = 0 V to 3 V 5
Small Signal -3 dB Bandwidth G=1 BW 800 kHz G = 1 5
Small Signal -3 dB Bandwidth G=10 BW 100 kHz G = 10 5
Small Signal -3 dB Bandwidth G=100 BW 10 kHz G = 100 5
Small Signal -3 dB Bandwidth G=1000 BW 2 kHz G = 1000 5
Slew Rate SR 0.3 V/µs 5
Settling Time to 0.01% G=1 tS 30 µs VS = 5 V, G = 1, step size = 3.5 V 5
Settling Time to 0.01% G=10 tS 20 µs VS = 5 V, G = 10, step size = 4 V, VCM = 1.8 V 5
Input Voltage Noise eni 35 nV/√Hz Input voltage noise, 1 kHz 8
Output Voltage Noise eno 50 nV/√Hz Output voltage noise 8
RTI Noise 0.1 Hz to 10 Hz G=1 3 µV p-p G = 1 8
RTI Noise 0.1 Hz to 10 Hz G=1000 1.5 µV p-p G = 1000 8
Current Noise f = 1 kHz 100 fA/√Hz f = 1 kHz 8
Current Noise 0.1 Hz to 10 Hz 2.5 pA p-p 0.1 Hz to 10 Hz 8
Reference Input Current IIN 50 60 µA V+IN = 0 V, VREF = 0 V 8
Operating Range Dual Supply VS 2.5 6 V Dual supply, ±VS 8
Operating Range Single Supply VS 2.7 12 V Single supply, −VS = 0 V 8
Quiescent Current Dual Supply IQ 375 550 µA Dual supply 8
Quiescent Current Single Supply IQ 305 480 µA Single supply 8
Quiescent Current over temperature IQ 625 µA Over temperature 8
Temperature Range For Specified Performance -40 85 °C For specified performance 8
Supply Voltage VS 12 V 9
Internal Power Dissipation PD 650 mW Device in free air 9
Differential Input Voltage VIN -6 6 V 9
Storage Temperature Range TSTG -65 125 °C 9
Operating Temperature Range TA -40 85 °C 9
Thermal Resistance θJA 8-Lead MSOP θJA 200 °C/W Free air, 8-lead MSOP package 9

CAD (KiCad official)

  • Symbol: AD623ARMZ
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: ad623armz-etched.step / ad623armz-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad623armz.step / ad623armz.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (32 pp, sha256 44f12008011b61f7, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF