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ADA4691-4ACPZ-R7

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Analog Devices Operational Amplifier, LFCSP-16(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ADA4691-4ACPZ-R7

Analog Devices · Operational Amplifier · LFCSP-16(3x3)

ADA4691-4ACPZ-R7 from Analog Devices, in a LFCSP-16(3x3). 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 +IN A input Non-inverting input of amplifier A; input voltage range is −0.3 V to +3.9 V at 5 V operation and input current must be limited to 10 mA or less if the input exceeds the supply rail by 0.3 V.
2 V+ power_in Positive supply; the part operates from 2.7 V to 5 V single supply or ±1.35 V to ±2.5 V dual supply, with an absolute maximum supply voltage of 6 V.
3 +IN B input Non-inverting input of amplifier B; input voltage range is −0.3 V to +3.9 V at 5 V operation and input current must be limited to 10 mA or less if the input exceeds the supply rail by 0.3 V.
4 -IN B input Inverting input of amplifier B; input voltage range is −0.3 V to +3.9 V at 5 V operation and input current must be limited to 10 mA or less if the input exceeds the supply rail by 0.3 V.
5 OUT B output Output of amplifier B, rail-to-rail; short-circuit limit is ±55 mA at 5 V.
6 SD A/B input Shutdown logic input for amplifiers A and B; logic high (enabled) requires VIH of 2.0 V minimum and logic low (power-down) is VIL of 0.8 V maximum at 5 V, with rise/fall times preferably faster than 10 µs and 50 µs maximum.
7 SD C/D input Shutdown logic input for amplifiers C and D; logic high (enabled) requires VIH of 2.0 V minimum and logic low (power-down) is VIL of 0.8 V maximum at 5 V, with rise/fall times preferably faster than 10 µs and 50 µs maximum.
8 OUT C output Output of amplifier C, rail-to-rail; short-circuit limit is ±55 mA at 5 V.
9 -IN C input Inverting input of amplifier C; input voltage range is −0.3 V to +3.9 V at 5 V operation and input current must be limited to 10 mA or less if the input exceeds the supply rail by 0.3 V.
10 +IN C input Non-inverting input of amplifier C; input voltage range is −0.3 V to +3.9 V at 5 V operation and input current must be limited to 10 mA or less if the input exceeds the supply rail by 0.3 V.
11 V- power_in Negative supply (ground in single-supply operation); the datasheet recommends connecting the exposed pad to this pin.
12 +IN D input Non-inverting input of amplifier D; input voltage range is −0.3 V to +3.9 V at 5 V operation and input current must be limited to 10 mA or less if the input exceeds the supply rail by 0.3 V.
13 -IN D input Inverting input of amplifier D; input voltage range is −0.3 V to +3.9 V at 5 V operation and input current must be limited to 10 mA or less if the input exceeds the supply rail by 0.3 V.
14 OUT D output Output of amplifier D, rail-to-rail; short-circuit limit is ±55 mA at 5 V.
15 OUT A output Output of amplifier A, rail-to-rail; short-circuit limit is ±55 mA at 5 V.
16 -IN A input Inverting input of amplifier A; input voltage range is −0.3 V to +3.9 V at 5 V operation and input current must be limited to 10 mA or less if the input exceeds the supply rail by 0.3 V.
17 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Analog Devices
Package LFCSP-16(3x3)
Category Amplifiers/Comparators
Pins 17

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 0.5 2.5 mV 2.7 V operation; VCM = −0.3 V to +1.6 V 3
Offset Voltage, Quad (ADA469x-4) 4 mV 2.7 V operation; VCM = −0.1 V to +1.6 V; −40°C < TA < +125°C 3
Offset Voltage Drift ΔVOS/ΔT 1 4 µV/°C 2.7 V operation; −40°C < TA < +125°C 3
Input Bias Current IB 0.5 5 pA 2.7 V operation 3
Input Bias Current IB 360 pA 2.7 V operation; −40°C < TA < +125°C 3
Input Offset Current IOS 1 8 pA 2.7 V operation 3
Input Offset Current IOS 225 pA 2.7 V operation; −40°C < TA < +125°C 3
Input Voltage Range -0.3 1.6 V 2.7 V operation; −40°C < TA < +125°C 3
Common-Mode Rejection Ratio CMRR 70 90 dB 2.7 V operation; VCM = −0.3 V to +1.6 V 3
Large Signal Voltage Gain AVO 90 100 dB 2.7 V operation; RL = 2 kΩ, VOUT = 0.5 V to 2.2 V 3
Large Signal Voltage Gain AVO 63 dB 2.7 V operation; RL = 2 kΩ, VOUT = 0.5 V to 2.2 V; −40°C < TA < +125°C 3
Large Signal Voltage Gain AVO 85 95 dB 2.7 V operation; RL = 600 Ω, VOUT = 0.5 V to 2.2 V 3
Logic High Voltage (Enabled) VIH 1.6 V 2.7 V operation; −40°C < TA < +125°C 3
Logic Low Voltage (Power-Down) VIL 0.5 V 2.7 V operation; −40°C < TA < +125°C 3
Output Voltage High VOH 2.65 2.67 V 2.7 V operation; RL = 2 kΩ to VCM 3
Output Voltage High VOH 2.6 V 2.7 V operation; −40°C < TA < +125°C 3
Output Voltage High VOH 2.55 2.59 V 2.7 V operation; RL = 600 Ω to VCM 3
Output Voltage High VOH 2.5 V 2.7 V operation; −40°C < TA < +125°C 3
Output Voltage Low VOL 24 33 mV 2.7 V operation; RL = 2 kΩ to VCM 3
Output Voltage Low VOL 43 mV 2.7 V operation; −40°C < TA < +125°C 3
Output Voltage Low VOL 78 103 mV 2.7 V operation; RL = 600 Ω to VCM 3
Output Voltage Low VOL 138 mV 2.7 V operation; −40°C < TA < +125°C 3
Short-Circuit Current ISC -15 15 mA 2.7 V operation; VOUT = VSY or GND 3
Power Supply Rejection Ratio PSRR 80 90 dB 2.7 V operation; VSY = 2.7 V to 5.5 V 3
Supply Current Per Amplifier ISY 165 200 µA 2.7 V operation; VOUT = VSY/2 3
Supply Current Per Amplifier ISY 240 µA 2.7 V operation; −40°C < TA < +125°C 3
Offset Voltage VOS 0.5 2.5 mV 5 V operation; VCM = −0.3 V to +3.9 V 4
Offset Voltage, Quad (ADA469x-4) 4 mV 5 V operation; VCM = −0.1 V to +3.9 V; −40°C < TA < +125°C 4
Offset Voltage Drift ΔVOS/ΔT 1 4 µV/°C 5 V operation; −40°C < TA < +125°C 4
Input Bias Current IB 0.5 5 pA 5 V operation 4
Input Bias Current IB 360 pA 5 V operation; −40°C < TA < +125°C 4
Input Offset Current IOS 1 8 pA 5 V operation 4
Input Offset Current IOS 260 pA 5 V operation; −40°C < TA < +125°C 4
Input Voltage Range -0.3 3.9 V 5 V operation; −40°C < TA < +125°C 4
Common-Mode Rejection Ratio CMRR 75 98 dB 5 V operation; VCM = −0.3 V to +3.9 V 4
Large Signal Voltage Gain AVO 95 110 dB 5 V operation; RL = 2 kΩ, VOUT = 0.5 V to 4.5 V, VCM = 0 V 4
Large Signal Voltage Gain AVO 70 dB 5 V operation; RL = 2 kΩ, VOUT = 0.5 V to 4.5 V, VCM = 0 V; −40°C < TA < +125°C 4
Large Signal Voltage Gain AVO 90 100 dB 5 V operation; RL = 600 Ω, VOUT = 0.5 V to 4.5 V, VCM = 0 V 4
Logic High Voltage (Enabled) VIH 2 V 5 V operation; −40°C < TA < +125°C 4
Logic Low Voltage (Power-Down) VIL 0.8 V 5 V operation; −40°C < TA < +125°C 4
Output Voltage High VOH 4.95 4.97 V 5 V operation; RL = 2 kΩ to VCM 5
Output Voltage High VOH 4.9 V 5 V operation; −40°C ≤ TA ≤ +125°C 5
Output Voltage High VOH 4.85 4.88 V 5 V operation; RL = 600 Ω to VCM 5
Output Voltage High VOH 4.8 V 5 V operation; −40°C ≤ TA ≤ +125°C 5
Output Voltage Low VOL 30 40 mV 5 V operation; RL = 2 kΩ to VCM 5
Output Voltage Low VOL 55 mV 5 V operation; −40°C ≤ TA ≤ +125°C 5
Output Voltage Low VOL 100 128 mV 5 V operation; RL = 600 Ω to VCM 5
Output Voltage Low VOL 173 mV 5 V operation; −40°C ≤ TA ≤ +125°C 5
Short-Circuit Limit ISC -55 55 mA 5 V operation; VOUT = VSY or GND 5
Power Supply Rejection Ratio PSRR 80 90 dB 5 V operation; VSY = 2.7 V to 5.5 V 5
Supply Current Per Amplifier ISY 180 225 µA 5 V operation; VOUT = VSY/2 5
Supply Current Per Amplifier ISY 275 µA 5 V operation; −40°C ≤ TA ≤ +125°C 5
Input Current (per pin) -10 10 mA Input pins; see footnote 1 (clamp diodes) 6
Supply Voltage 6 V 6
Shutdown Pin Rise/Fall Time 50 µs Shutdown pin 6
Storage Temperature Range -65 150 °C 6
Operating Temperature Range -40 125 °C 6
Junction Temperature Range -65 150 °C 6
Supply Voltage, single supply (recommended) VSY 2.7 5 V Single supply (dual supply ±1.35 V to ±2.5 V also specified) 1
Thermal Resistance, junction-to-ambient, 16-Lead LFCSP (CP-16-22) θJA 75 °C/W Surface-mount on standard 4-layer board, worst case 6

CAD (KiCad official)

  • Symbol: ADA4691-4ACPZ-R7
  • Footprint: Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm
  • 3D model: LFCSP-16(3x3) (KiCad packages3D, STEP)
  • 3D model files: ada4691-4acpz-r7-etched.step / ada4691-4acpz-r7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ada4691-4acpz-r7.step / ada4691-4acpz-r7.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (19 pp, sha256 5b8f04cfa977727b, retrieved 2026-10-19, 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