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AD8551ARZ-REEL7

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Analog Devices Precision OpAmps, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AD8551ARZ-REEL7

Analog Devices · Precision OpAmps · SOIC-8

AD8551ARZ-REEL7 from Analog Devices, in a SOIC-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 NC unconnected No connect; not internally connected.
2 -IN A input Inverting input of amplifier A, rail-to-rail with input range 0 V to VS and differential input limited to ±5.0 V or the supply voltage, whichever is less.
3 +IN A input Non-inverting input of amplifier A, rail-to-rail with input range 0 V to VS and differential input limited to ±5.0 V or the supply voltage, whichever is less.
4 V- power_in Negative supply or ground for single-supply operation.
5 NC unconnected No connect; not internally connected.
6 OUT A output Rail-to-rail output of amplifier A, short-circuit protected with ±25 mA minimum short-circuit limit at 5 V.
7 V+ power_in Positive supply, specified for 2.7 V to 5 V single-supply operation (absolute maximum 6 V).
8 NC unconnected No connect; not internally connected.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package SOIC-8
Category Amplifiers
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
Offset Voltage VOS 1 5 μV VS = 5 V, VCM = 2.5 V, VO = 2.5 V, TA = 25°C 3
Offset Voltage over temperature VOS 10 μV VS = 5 V; −40°C ≤ TA ≤ +125°C 3
Input Bias Current IB 10 50 pA VS = 5 V, VCM = 2.5 V, TA = 25°C 3
Input Bias Current AD8551/AD8554 over temperature IB 1 1.5 nA VS = 5 V; −40°C ≤ TA ≤ +125°C 3
Input Offset Current IOS 20 70 pA VS = 5 V, VCM = 2.5 V, TA = 25°C 3
Input Offset Current AD8551/AD8554 over temperature IOS 150 200 pA VS = 5 V; −40°C ≤ TA ≤ +125°C 3
Input Voltage Range 0 5 V VS = 5 V 3
Common-Mode Rejection Ratio CMRR 120 140 dB VS = 5 V; VCM = 0 V to +5 V 3
Common-Mode Rejection Ratio over temperature CMRR 115 130 dB VS = 5 V; −40°C ≤ TA ≤ +125°C 3
Large Signal Voltage Gain AVO 125 145 dB VS = 5 V; RL = 10 kΩ, VO = 0.3 V to 4.7 V 3
Large Signal Voltage Gain over temperature AVO 120 135 dB VS = 5 V; −40°C ≤ TA ≤ +125°C 3
Offset Voltage Drift ΔVOS/ΔT 0.005 0.04 μV/°C VS = 5 V; −40°C ≤ TA ≤ +125°C 3
Output Voltage High VOH 4.99 4.998 V VS = 5 V; RL = 100 kΩ to GND 3
Output Voltage High over temperature VOH 4.99 4.997 V VS = 5 V; RL = 100 kΩ to GND @ −40°C to +125°C 3
Output Voltage High VOH 4.95 4.98 V VS = 5 V; RL = 10 kΩ to GND 3
Output Voltage High over temperature VOH 4.95 4.975 V VS = 5 V; RL = 10 kΩ to GND @ −40°C to +125°C 3
Output Voltage Low VOL 1 10 mV VS = 5 V; RL = 100 kΩ to V+ 3
Output Voltage Low over temperature VOL 2 10 mV VS = 5 V; RL = 100 kΩ to V+ @ −40°C to +125°C 3
Output Voltage Low VOL 10 30 mV VS = 5 V; RL = 10 kΩ to V+ 3
Output Voltage Low over temperature VOL 15 30 mV VS = 5 V; RL = 10 kΩ to V+ @ −40°C to +125°C 3
Output Short-Circuit Limit Current ISC 25 50 mA VS = 5 V 3
Output Short-Circuit Limit Current over temperature ISC 40 mA VS = 5 V; −40°C to +125°C 3
Power Supply Rejection Ratio PSRR 120 130 dB VS = 2.7 V to 5.5 V 3
Power Supply Rejection Ratio over temperature PSRR 115 130 dB VS = 5 V; −40°C ≤ TA ≤ +125°C 3
Supply Current per Amplifier ISY 850 975 μA VS = 5 V; VO = 0 V 3
Supply Current per Amplifier over temperature ISY 1000 1075 μA VS = 5 V; −40°C ≤ TA ≤ +125°C 3
Offset Voltage VOS 1 5 μV VS = 2.7 V, VCM = 1.35 V, VO = 1.35 V, TA = 25°C 4
Offset Voltage over temperature VOS 10 μV VS = 2.7 V; −40°C ≤ TA ≤ +125°C 4
Input Bias Current IB 10 50 pA VS = 2.7 V, VCM = 1.35 V, TA = 25°C 4
Input Bias Current AD8551/AD8554 over temperature IB 1 1.5 nA VS = 2.7 V; −40°C ≤ TA ≤ +125°C 4
Input Offset Current IOS 10 50 pA VS = 2.7 V, VCM = 1.35 V, TA = 25°C 4
Input Offset Current AD8551/AD8554 over temperature IOS 150 200 pA VS = 2.7 V; −40°C ≤ TA ≤ +125°C 4
Input Voltage Range 0 2.7 V VS = 2.7 V 4
Common-Mode Rejection Ratio CMRR 115 130 dB VS = 2.7 V; VCM = 0 V to 2.7 V 4
Common-Mode Rejection Ratio over temperature CMRR 110 130 dB VS = 2.7 V; −40°C ≤ TA ≤ +125°C 4
Large Signal Voltage Gain AVO 110 140 dB VS = 2.7 V; RL = 10 kΩ, VO = 0.3 V to 2.4 V 4
Large Signal Voltage Gain over temperature AVO 105 130 dB VS = 2.7 V; −40°C ≤ TA ≤ +125°C 4
Offset Voltage Drift ΔVOS/ΔT 0.005 0.04 μV/°C VS = 2.7 V; −40°C ≤ TA ≤ +125°C 4
Output Voltage High VOH 2.685 2.697 V VS = 2.7 V; RL = 100 kΩ to GND 4
Output Voltage High over temperature VOH 2.685 2.696 V VS = 2.7 V; RL = 100 kΩ to GND @ −40°C to +125°C 4
Output Voltage High VOH 2.67 2.68 V VS = 2.7 V; RL = 10 kΩ to GND 4
Output Voltage High over temperature VOH 2.67 2.675 V VS = 2.7 V; RL = 10 kΩ to GND @ −40°C to +125°C 4
Output Voltage Low VOL 1 10 mV VS = 2.7 V; RL = 100 kΩ to V+ 4
Output Voltage Low over temperature VOL 2 10 mV VS = 2.7 V; RL = 100 kΩ to V+ @ −40°C to +125°C 4
Output Voltage Low VOL 10 20 mV VS = 2.7 V; RL = 10 kΩ to V+ 4
Output Voltage Low over temperature VOL 15 20 mV VS = 2.7 V; RL = 10 kΩ to V+ @ −40°C to +125°C 4
Short-Circuit Limit Current ISC 10 15 mA VS = 2.7 V 4
Short-Circuit Limit Current over temperature ISC 10 mA VS = 2.7 V; −40°C to +125°C 4
Power Supply Rejection Ratio PSRR 120 130 dB VS = 2.7 V to 5.5 V 4
Power Supply Rejection Ratio over temperature PSRR 115 130 dB VS = 2.7 V; −40°C ≤ TA ≤ +125°C 4
Supply Current per Amplifier ISY 750 900 μA VS = 2.7 V; VO = 0 V 4
Supply Current per Amplifier over temperature ISY 950 1000 μA VS = 2.7 V; −40°C ≤ TA ≤ +125°C 4
Supply Voltage 6 V 5
Input Voltage -0.3 V Referenced to GND; upper limit is VS + 0.3 V (not numeric) 5
Differential Input Voltage -5 5 V Limited to ±5.0 V or the supply voltage, whichever is less 5
Storage Temperature Range -65 150 °C 5
Operating Temperature Range -40 125 °C 5
Supply Voltage (guaranteed single-supply operation) 2.7 5 V Single supply, as stated in General Description 1
Thermal Resistance Junction-to-Ambient, 8-Lead SOIC (R) θJA 158 °C/W 8-Lead SOIC (R) 5
Thermal Resistance Junction-to-Case, 8-Lead SOIC (R) θJC 43 °C/W 8-Lead SOIC (R) 5

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts COPPER LEAD COPPER 16

CAD (KiCad official)

  • Symbol: AD8551ARZ-REEL7
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: ad8551arz-reel7-etched.step / ad8551arz-reel7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad8551arz-reel7.step / ad8551arz-reel7.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (24 pp, sha256 07dc817f1edb4b33, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-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