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ADA4891-4ARUZ-R7

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Analog Devices Operational Amplifier, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ADA4891-4ARUZ-R7

Analog Devices · Operational Amplifier · TSSOP-14

ADA4891-4ARUZ-R7 from Analog Devices, in a TSSOP-14. 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 OUT1 output Output of amplifier 1.
2 -IN1 input Inverting input of amplifier 1.
3 +IN1 input Noninverting input of amplifier 1.
4 +VS power_in Positive supply; the amplifiers operate from a 2.7 V to 5.5 V single supply.
5 +IN2 input Noninverting input of amplifier 2.
6 -IN2 input Inverting input of amplifier 2.
7 OUT2 output Output of amplifier 2.
8 OUT3 output Output of amplifier 3.
9 -IN3 input Inverting input of amplifier 3.
10 +IN3 input Noninverting input of amplifier 3.
11 -VS power_in Negative supply, the ground reference for single-supply operation.
12 +IN4 input Noninverting input of amplifier 4.
13 -IN4 input Inverting input of amplifier 4.
14 OUT4 output Output of amplifier 4.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package TSSOP-14
Category Operational Amplifier/Comparator
Pins 14

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Range VS 2.7 5.5 V 4
Operating Temperature Range TA -40 125 °C 4
Supply Voltage VS 6 V 7
Storage Temperature Range TST -65 125 °C 7
Lead Temperature (Soldering, 10 sec) 300 °C Soldering, 10 sec 7
Thermal Resistance, 14-Lead TSSOP θJA 108 °C/W 14-Lead TSSOP 7
Input Offset Voltage VOS 2.5 10 mV 4
Input Offset Voltage TMIN to TMAX VOS 3.1 mV TMIN to TMAX 4
Input Bias Current IB -50 2 50 pA 4
Open-Loop Gain AVO 77 83 dB RL = 1 kΩ to 2.5 V 4
Output Voltage Swing VOUT 0.01 4.98 V RL = 1 kΩ to 2.5 V 4
Output Voltage Swing VOUT 0.08 4.9 V RL = 150 Ω to 2.5 V 4
Power Supply Rejection Ratio, Positive PSRR+ 65 dB +VS = 5 V to 5.25 V, −VS = 0 V 5
Power Supply Rejection Ratio, Negative PSRR− 63 dB +VS = 5 V, −VS = −0.25 V to 0 V 5
Quiescent Current per Amplifier IS 4.4 mA 5
Offset Drift 6 µV/°C 4
Input Resistance RIN 5 GΩ 4
Input Capacitance CIN 3.2 pF 4
Common-Mode Rejection Ratio CMRR 88 dB VCM = 0 V to 3.0 V 4
Output Current IOUT 125 mA 1% THD with 1 MHz, VO = 2 V p-p 4
Short-Circuit Current, Sourcing ISC 205 mA 4
Short-Circuit Current, Sinking ISC 307 mA 4
−3 dB Small-Signal Bandwidth BW 220 MHz ADA4891-3/ADA4891-4, G = +1, VO = 0.2 V p-p 4
Slew Rate, rising tR 170 V/µs G = +2, VO = 2 V step, 10% to 90% 4
Slew Rate, falling tF 210 V/µs G = +2, VO = 2 V step, 10% to 90% 4
Settling Time to 0.1% tS 28 ns G = +2, VO = 2 V step 4
Harmonic Distortion HD2 HD2 -79 dBc fC = 1 MHz, VO = 2 V p-p, G = +1 4
Harmonic Distortion HD3 HD3 -93 dBc fC = 1 MHz, VO = 2 V p-p, G = +1 4
Input Voltage Noise en 9 nV/√Hz f = 1 MHz 4
Differential Gain Error (NTSC) 0.05 % G = +2, RL = 150 Ω to 2.5 V 4
Differential Phase Error (NTSC) 0.25 Degrees G = +2, RL = 150 Ω to 2.5 V 4
Output Voltage Swing VOUT 0.01 2.98 V RL = 1 kΩ to 1.5 V, VS = 3 V 6
Output Voltage Swing VOUT 0.07 2.87 V RL = 150 Ω to 1.5 V, VS = 3 V 6
Quiescent Current per Amplifier IS 3.5 mA VS = 3 V 6
−3 dB Small-Signal Bandwidth BW 175 MHz ADA4891-3/ADA4891-4, G = +1, VO = 0.2 V p-p, VS = 3 V 5

CAD (KiCad official)

  • Symbol: ADA4891-4ARUZ-R7
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: ada4891-4aruz-r7-etched.step / ada4891-4aruz-r7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ada4891-4aruz-r7.step / ada4891-4aruz-r7.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (24 pp, sha256 e0131dfef4f9ec15, 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