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AD8646ARZ-REEL7

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

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AD8646ARZ-REEL7

Analog Devices · Operational Amplifier · SOIC-8

AD8646ARZ-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 OUTA output Output of amplifier A, which swings rail to rail with a short-circuit output current rated at ±120 mA.
2 -INA input Inverting input of amplifier A; the absolute maximum input voltage is GND to VSY.
3 +INA input Non-inverting input of amplifier A; the input common-mode voltage range is 0 V to 5 V at VSY = 5 V.
4 V- power_in Negative supply rail; the part is specified for single-supply operation from 2.7 V to 5.5 V with a 6 V absolute maximum supply voltage.
5 +INB input Non-inverting input of amplifier B; the input common-mode voltage range is 0 V to 5 V at VSY = 5 V.
6 -INB input Inverting input of amplifier B; the absolute maximum input voltage is GND to VSY.
7 OUTB output Output of amplifier B, which swings rail to rail with a short-circuit output current rated at ±120 mA.
8 V+ power_in Positive supply rail; the part is specified for single-supply operation from 2.7 V to 5.5 V with a 6 V absolute maximum supply voltage.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package SOIC-8
Category Amplifiers/Comparators
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 0.6 2.5 mV VSY = 5 V; VCM = 0 V to 5 V 3
Offset Voltage over temperature VOS 3.2 mV VSY = 5 V; −40°C < TA < +125°C 3
Offset Voltage Drift ΔVOS/ΔT 1.8 7.5 μV/°C VSY = 5 V; −40°C < TA < +125°C 3
Input Bias Current IB 0.3 1 pA VSY = 5 V 3
Input Bias Current IB 50 pA VSY = 5 V; −40°C < TA < +85°C 3
Input Bias Current IB 550 pA VSY = 5 V; −40°C < TA < +125°C 3
Input Offset Current IOS 0.1 0.5 pA VSY = 5 V 3
Input Offset Current IOS 50 pA VSY = 5 V; −40°C < TA < +85°C 3
Input Offset Current IOS 250 pA VSY = 5 V; −40°C < TA < +125°C 3
Input Voltage Range VCM 0 5 V VSY = 5 V 3
Common-Mode Rejection Ratio CMRR 67 84 dB VSY = 5 V; VCM = 0 V to 5 V 3
Large Signal Voltage Gain AVO 104 116 dB VSY = 5 V; RL = 2 kΩ, VO = 0.5 V to 4.5 V 3
Output Voltage High VOH 4.98 4.99 V VSY = 5 V; IOUT = 1 mA 3
Output Voltage High over temperature VOH 4.9 V VSY = 5 V; IOUT = 1 mA; −40°C < TA < +125°C 3
Output Voltage High VOH 4.85 4.92 V VSY = 5 V; IOUT = 10 mA 3
Output Voltage High over temperature VOH 4.7 V VSY = 5 V; IOUT = 10 mA; −40°C < TA < +125°C 3
Output Voltage Low VOL 8.4 20 mV VSY = 5 V; IOUT = 1 mA 3
Output Voltage Low over temperature VOL 40 mV VSY = 5 V; IOUT = 1 mA; −40°C < TA < +125°C 3
Output Voltage Low VOL 78 145 mV VSY = 5 V; IOUT = 10 mA 3
Output Voltage Low over temperature VOL 200 mV VSY = 5 V; IOUT = 10 mA; −40°C < TA < +125°C 3
Output Current short circuit Isc -120 120 mA VSY = 5 V; Short circuit 3
Power Supply Rejection Ratio PSRR 63 80 dB VSY = 2.7 V to 5.5 V 3
Supply Current per Amplifier ISY 1.5 2 mA VSY = 5 V 3
Supply Current per Amplifier over temperature ISY 2.5 mA VSY = 5 V; −40°C < TA < +125°C 3
Offset Voltage VOS 0.6 2.5 mV VSY = 2.7 V; VCM = 0 V to 2.7 V 5
Offset Voltage over temperature VOS 3.2 mV VSY = 2.7 V; −40°C < TA < +125°C 5
Offset Voltage Drift ΔVOS/ΔT 1.8 7 μV/°C VSY = 2.7 V; −40°C < TA < +125°C 5
Input Bias Current IB 0.2 1 pA VSY = 2.7 V 5
Input Bias Current IB 50 pA VSY = 2.7 V; −40°C < TA < +85°C 5
Input Bias Current IB 550 pA VSY = 2.7 V; −40°C < TA < +125°C 5
Input Offset Current IOS 0.1 0.5 pA VSY = 2.7 V 5
Input Offset Current IOS 50 pA VSY = 2.7 V; −40°C < TA < +85°C 5
Input Offset Current IOS 250 pA VSY = 2.7 V; −40°C < TA < +125°C 5
Input Voltage Range VCM 0 2.7 V VSY = 2.7 V 5
Common-Mode Rejection Ratio CMRR 62 79 dB VSY = 2.7 V; VCM = 0 V to 2.7 V 5
Large Signal Voltage Gain AVO 95 102 dB VSY = 2.7 V; RL = 2 kΩ, VO = 0.5 V to 2.2 V 5
Output Voltage High VOH 2.65 2.68 V VSY = 2.7 V; IOUT = 1 mA 5
Output Voltage High over temperature VOH 2.6 V VSY = 2.7 V; IOUT = 1 mA; −40°C < TA < +125°C 5
Output Voltage Low VOL 11 25 mV VSY = 2.7 V; IOUT = 1 mA 5
Output Voltage Low over temperature VOL 30 mV VSY = 2.7 V; IOUT = 1 mA; −40°C < TA < +125°C 5
Output Current short circuit Isc -63 63 mA VSY = 2.7 V; Short circuit 5
Power Supply Rejection Ratio PSRR 63 80 dB VSY = 2.7 V to 5.5 V 5
Supply Current per Amplifier ISY 1.6 2 mA VSY = 2.7 V 5
Supply Current per Amplifier over temperature ISY 2.5 mA VSY = 2.7 V; −40°C < TA < +125°C 5
Supply Voltage 2.7 5.5 V Single-supply operation (Features list) 1
Supply Voltage 6 V 6
Differential Input Voltage -6 6 V 6
Storage Temperature Range -65 150 °C 6
Operating Temperature Range -40 125 °C 6
Lead Temperature 300 °C Soldering 60 sec 6
Junction Temperature 150 °C 6
Thermal Resistance junction-to-ambient (8-Lead SOIC_N) θJA 125 °C/W 8-Lead SOIC_N; device soldered in circuit board 6
Thermal Resistance junction-to-case (8-Lead SOIC_N) θJC 43 °C/W 8-Lead SOIC_N 6

CAD (KiCad official)

  • Symbol: AD8646ARZ-REEL7
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: ad8646arz-reel7-etched.step / ad8646arz-reel7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad8646arz-reel7.step / ad8646arz-reel7.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (18 pp, sha256 ad92dbf54623781a, retrieved 2026-10-18, tier: lcsc)
  • 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