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README

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AD8629ARZ-REEL7

Analog Devices · Precision Op Amps · SO-8

AD8629ARZ-REEL7 from Analog Devices, in a SO-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 OUT A output Output of amplifier A, which swings rail-to-rail per the datasheet's rail-to-rail output specification.
2 -IN A input Inverting input of amplifier A, with input voltage range spanning the supply rails (0 V to 5 V at VS = 5.0 V).
3 +IN A input Non-inverting input of amplifier A, with input voltage range spanning the supply rails (0 V to 5 V at VS = 5.0 V).
4 V- power_in Negative supply rail; the amplifier operates from 2.7 V to 5 V single supply or ±1.35 V to ±2.5 V dual supply.
5 +IN B input Non-inverting input of amplifier B, with input voltage range spanning the supply rails (0 V to 5 V at VS = 5.0 V).
6 -IN B input Inverting input of amplifier B, with input voltage range spanning the supply rails (0 V to 5 V at VS = 5.0 V).
7 OUT B output Output of amplifier B, which swings rail-to-rail per the datasheet's rail-to-rail output specification.
8 V+ power_in Positive supply rail; the amplifier operates from 2.7 V to 5 V single supply or ±1.35 V to ±2.5 V dual supply.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package SO-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 (VS=5 V, VCM=2.5 V, TA=25°C) VOS 1 5 µV VS=5 V, VCM=2.5 V, TA=25°C 4
Offset Voltage (-40 to +125°C, 5 V) VOS 10 µV VS=5 V, -40°C ≤ TA ≤ +125°C 4
Input Bias Current (AD8628/AD8629, 5 V) IB 30 100 pA VS=5 V, TA=25°C 4
Input Bias Current (-40 to +125°C, 5 V) IB 1.5 nA VS=5 V, -40°C ≤ TA ≤ +125°C 4
Input Offset Current (5 V) IOS 50 200 pA VS=5 V, TA=25°C 4
Input Offset Current (-40 to +125°C, 5 V) IOS 250 pA VS=5 V, -40°C ≤ TA ≤ +125°C 4
Input Voltage Range (5 V) 0 5 V VS=5 V 4
Common-Mode Rejection Ratio (5 V, 25°C) CMRR 120 140 dB VS=5 V, VCM=0 V to 5 V, TA=25°C 4
Common-Mode Rejection Ratio (5 V, -40 to +125°C) CMRR 115 130 dB VS=5 V, VCM=0 V to 5 V, -40°C ≤ TA ≤ +125°C 4
Large Signal Voltage Gain (5 V, 25°C) AVO 125 145 dB VS=5 V, RL=10 kΩ, VO=0.3 V to 4.7 V, TA=25°C 4
Large Signal Voltage Gain (5 V, -40 to +125°C) AVO 120 135 dB VS=5 V, RL=10 kΩ, VO=0.3 V to 4.7 V, -40°C ≤ TA ≤ +125°C 4
Offset Voltage Drift (5 V) ΔVOS/ΔT 0.002 0.02 µV/°C VS=5 V, -40°C ≤ TA ≤ +125°C 4
Output Voltage High (5 V, RL=100 kΩ, 25°C) VOH 4.99 4.996 V VS=5 V, RL=100 kΩ to ground, TA=25°C 4
Output Voltage High (5 V, RL=100 kΩ, -40 to +125°C) VOH 4.99 4.995 V VS=5 V, RL=100 kΩ to ground, -40°C ≤ TA ≤ +125°C 4
Output Voltage High (5 V, RL=10 kΩ, 25°C) VOH 4.95 4.98 V VS=5 V, RL=10 kΩ to ground, TA=25°C 4
Output Voltage High (5 V, RL=10 kΩ, -40 to +125°C) VOH 4.95 4.97 V VS=5 V, RL=10 kΩ to ground, -40°C ≤ TA ≤ +125°C 4
Output Voltage Low (5 V, RL=100 kΩ, 25°C) VOL 1 5 mV VS=5 V, RL=100 kΩ to V+, TA=25°C 4
Output Voltage Low (5 V, RL=100 kΩ, -40 to +125°C) VOL 2 5 mV VS=5 V, RL=100 kΩ to V+, -40°C ≤ TA ≤ +125°C 4
Output Voltage Low (5 V, RL=10 kΩ, 25°C) VOL 10 20 mV VS=5 V, RL=10 kΩ to V+, TA=25°C 4
Output Voltage Low (5 V, RL=10 kΩ, -40 to +125°C) VOL 15 20 mV VS=5 V, RL=10 kΩ to V+, -40°C ≤ TA ≤ +125°C 4
Short-Circuit Limit (5 V, 25°C) ISC 25 50 mA VS=5 V, TA=25°C; printed ±25 / ±50 4
Short-Circuit Limit (5 V, -40 to +125°C) ISC 40 mA VS=5 V, -40°C ≤ TA ≤ +125°C; printed ±40 4
Output Current (5 V, 25°C) IO 30 mA VS=5 V, TA=25°C; printed ±30 4
Output Current (5 V, -40 to +125°C) IO 15 mA VS=5 V, -40°C ≤ TA ≤ +125°C; printed ±15 4
Power Supply Rejection Ratio (5 V) PSRR 115 130 dB VS=2.7 V to 5.5 V, -40°C ≤ TA ≤ +125°C 4
Supply Current per Amplifier (5 V, 25°C) ISY 0.85 1.1 mA VS=5 V, VO=VS/2, TA=25°C 4
Supply Current per Amplifier (5 V, -40 to +125°C) ISY 1 1.2 mA VS=5 V, VO=VS/2, -40°C ≤ TA ≤ +125°C 4
Offset Voltage (VS=2.7 V, VCM=1.35 V, 25°C) VOS 1 5 µV VS=2.7 V, VCM=1.35 V, VO=1.4 V, TA=25°C 5
Offset Voltage (2.7 V, -40 to +125°C) VOS 10 µV VS=2.7 V, -40°C ≤ TA ≤ +125°C 5
Input Bias Current (AD8628/AD8629, 2.7 V) IB 30 100 pA VS=2.7 V, TA=25°C 5
Input Bias Current (2.7 V, -40 to +125°C) IB 1 1.5 nA VS=2.7 V, -40°C ≤ TA ≤ +125°C 5
Input Offset Current (2.7 V) IOS 50 200 pA VS=2.7 V, TA=25°C 5
Input Offset Current (2.7 V, -40 to +125°C) IOS 250 pA VS=2.7 V, -40°C ≤ TA ≤ +125°C 5
Input Voltage Range (2.7 V) 0 2.7 V VS=2.7 V 5
Common-Mode Rejection Ratio (2.7 V, 25°C) CMRR 115 130 dB VS=2.7 V, VCM=0 V to 2.7 V, TA=25°C 5
Common-Mode Rejection Ratio (2.7 V, -40 to +125°C) CMRR 110 120 dB VS=2.7 V, VCM=0 V to 2.7 V, -40°C ≤ TA ≤ +125°C 5
Large Signal Voltage Gain (2.7 V, 25°C) AVO 110 140 dB VS=2.7 V, RL=10 kΩ, VO=0.3 V to 2.4 V, TA=25°C 5
Large Signal Voltage Gain (2.7 V, -40 to +125°C) AVO 105 130 dB VS=2.7 V, RL=10 kΩ, VO=0.3 V to 2.4 V, -40°C ≤ TA ≤ +125°C 5
Offset Voltage Drift (2.7 V) ΔVOS/ΔT 0.002 0.02 µV/°C VS=2.7 V, -40°C ≤ TA ≤ +125°C 5
Output Voltage High (2.7 V, RL=100 kΩ, 25°C) VOH 2.68 2.695 V VS=2.7 V, RL=100 kΩ to ground, TA=25°C 5
Output Voltage High (2.7 V, RL=100 kΩ, -40 to +125°C) VOH 2.68 2.695 V VS=2.7 V, RL=100 kΩ to ground, -40°C ≤ TA ≤ +125°C 5
Output Voltage High (2.7 V, RL=10 kΩ, 25°C) VOH 2.67 2.68 V VS=2.7 V, RL=10 kΩ to ground, TA=25°C 5
Output Voltage High (2.7 V, RL=10 kΩ, -40 to +125°C) VOH 2.67 2.675 V VS=2.7 V, RL=10 kΩ to ground, -40°C ≤ TA ≤ +125°C 5
Output Voltage Low (2.7 V, RL=100 kΩ, 25°C) VOL 1 5 mV VS=2.7 V, RL=100 kΩ to V+, TA=25°C 5
Output Voltage Low (2.7 V, RL=100 kΩ, -40 to +125°C) VOL 2 5 mV VS=2.7 V, RL=100 kΩ to V+, -40°C ≤ TA ≤ +125°C 5
Output Voltage Low (2.7 V, RL=10 kΩ, 25°C) VOL 10 20 mV VS=2.7 V, RL=10 kΩ to V+, TA=25°C 5
Short-Circuit Limit (2.7 V, 25°C) ISC 10 15 mA VS=2.7 V, TA=25°C; printed ±10 / ±15 5
Short-Circuit Limit (2.7 V, -40 to +125°C) ISC 10 mA VS=2.7 V, -40°C ≤ TA ≤ +125°C; printed ±10 5
Output Current (2.7 V, 25°C) IO 10 mA VS=2.7 V, TA=25°C; printed ±10 5
Output Current (2.7 V, -40 to +125°C) IO 5 mA VS=2.7 V, -40°C ≤ TA ≤ +125°C; printed ±5 5
Power Supply Rejection Ratio (2.7 V supply range) PSRR 115 130 dB VS=2.7 V to 5.5 V, -40°C ≤ TA ≤ +125°C 5
Supply Current per Amplifier (2.7 V, 25°C) ISY 0.75 1 mA VS=2.7 V, VO=VS/2, TA=25°C 5
Supply Current per Amplifier (2.7 V, -40 to +125°C) ISY 0.9 1.2 mA VS=2.7 V, VO=VS/2, -40°C ≤ TA ≤ +125°C 5
Supply Voltage (absolute maximum) VS 6 V Supply voltage rating 6
Differential Input Voltage (absolute maximum) -5 5 V Limited to ±5 V or the supply voltage, whichever is less 6
Storage Temperature Range TSTG -65 150 °C Storage 6
Operating Temperature Range TA -40 125 °C Operating (ambient) 6
Junction Temperature Range TJ -65 150 °C Junction 6
Supply Voltage (recommended operating, single supply) VS 2.7 5 V Single-supply operation, fully specified from 2.7 V to 5 V 1
Thermal Resistance Junction-to-Ambient, 8-Lead SOIC_N (R-8) θJA 158 °C/W 8-Lead SOIC_N (R-8), standard two-layer board, worst-case 6

CAD (KiCad official)

  • Symbol: AD8629ARZ-REEL7
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: ad8629arz-reel7-etched.step / ad8629arz-reel7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ad8629arz-reel7.step / ad8629arz-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 4125c112327c9190, retrieved 2026-10-13, 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