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CBM8542AMS8

Corebai Microelectronics · Operational Amplifier · MSOP-8

CBM8542AMS8 from Corebai Microelectronics, in a MSOP-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 Amplifier A rail-to-rail output with an output short-circuit current of 55 mA.
2 -IN A input Amplifier A inverting input with a common-mode range of -0.1V to +5.6V at Vs=5.5V, diode-clamped to the supply rails and current-limited to 10mA if driven more than 0.5V beyond them.
3 +IN A input Amplifier A non-inverting input with a common-mode range of -0.1V to +5.6V at Vs=5.5V, diode-clamped to the supply rails and current-limited to 10mA if driven more than 0.5V beyond them.
4 V- power_in Negative supply (ground in single-supply use), with V+ to V- operating from 2.5V to 5.5V.
5 +IN B input Amplifier B non-inverting input with a common-mode range of -0.1V to +5.6V at Vs=5.5V, diode-clamped to the supply rails and current-limited to 10mA if driven more than 0.5V beyond them.
6 -IN B input Amplifier B inverting input with a common-mode range of -0.1V to +5.6V at Vs=5.5V, diode-clamped to the supply rails and current-limited to 10mA if driven more than 0.5V beyond them.
7 OUT B output Amplifier B rail-to-rail output with an output short-circuit current of 55 mA.
8 V+ power_in Positive supply operating from 2.5V to 5.5V with an absolute maximum of 7.0V between V+ and V-, to be bypassed with a 0.1uF capacitor placed close across the supply pins.

Key specifications

Parameter Value
Manufacturer Corebai Microelectronics
Package MSOP-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
Operating Voltage Range Vs 2.5 5.5 V 25℃ 4
Quiescent Current/Amplifier IQ 58 80 uA 25℃ 4
Power-Supply Rejection Ratio PSRR 72 90 dB Vs=2.5V to 5.5V, Vcm=(V-)+0.5V, 25℃ 4
Power-Supply Rejection Ratio PSRR 65 dB Vs=2.5V to 5.5V, Vcm=(V-)+0.5V, -40℃ to 125℃ 4
Input Offset Voltage Vos 0.6 3 mV 25℃ 4
Input Bias Current IB 1 10 pA 25℃ 4
Input Offset Current Ios 1 10 pA 25℃ 4
Common-Mode Voltage Range Vcm -0.1 5.6 V Vs=5.5V, 25℃ 4
Common-Mode Rejection Ratio CMRR 71 90 dB Vs=5.5V, Vcm=-0.1V to 4V, 25℃ 4
Common-Mode Rejection Ratio CMRR 68 dB Vs=5.5V, Vcm=-0.1V to 4V, -40℃ to 125℃ 4
Common-Mode Rejection Ratio CMRR 60 80 dB Vs=5.5V, Vcm=-0.1V to 5.6V, 25℃ 4
Common-Mode Rejection Ratio CMRR 57 dB Vs=5.5V, Vcm=-0.1V to 5.6V, -40℃ to 125℃ 4
Open-Loop Voltage Gain AOL 94 105 dB RL=2KΩ, Vo=0.15V to 4.85V, 25℃ 4
Open-Loop Voltage Gain AOL 85 dB RL=2KΩ, Vo=0.15V to 4.85V, -40℃ to 125℃ 4
Open-Loop Voltage Gain AOL 100 110 dB RL=10KΩ, Vo=0.05V to 4.95V, 25℃ 4
Open-Loop Voltage Gain AOL 90 dB RL=10KΩ, Vo=0.05V to 4.95V, -40℃ to 125℃ 4
Output Swing From Rail 25 mV RL=2KΩ, 25℃ 4
Output Swing From Rail 8 mV RL=10KΩ, 25℃ 4
Input Terminal Current -10 10 mA 2
Storage Temperature -65 150 °C 2
Operating Temperature -40 125 °C 2
Junction Temperature 150 °C 2
Input Offset Voltage Average Drift Vos TC 2 uV/℃ -40℃ to 125℃ 4
Output Short-Circuit Current Iout 55 mA 25℃ 4
Slew Rate SR 0.5 V/us 25℃ 5
Gain-Bandwidth Product GBP 1.1 MHz 25℃ 5
Phase Margin PM 64 ° 25℃ 5
Input Voltage Noise Density en 22 nV/√Hz f = 1KHz, 25℃ 5
Supply Current in Shutdown IQ(OFF) 1 uA 25℃, printed <1 5

CAD (KiCad official)

  • Symbol: CBM8542AMS8
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: cbm8542ams8-etched.step / cbm8542ams8-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cbm8542ams8.step / cbm8542ams8.glb are the bare package body.

Provenance

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

  • Datasheet: Corebai Microelectronics datasheet (21 pp, sha256 433cd7c36cbead69, retrieved 2026-10-31, tier: lcsc)
  • 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