# ZJA3000-2AUABR

**ZJW** · Operational Amplifier · MSOP-8

ZJA3000-2AUABR from ZJW, 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 | OUTA | output | Channel A output. |
| 2 | -INA | input | Channel A inverting input. |
| 3 | +INA | input | Channel A non-inverting input. |
| 4 | V- | power_in | Negative power supply. |
| 5 | +INB | input | Channel B non-inverting input. |
| 6 | -INB | input | Channel B inverting input. |
| 7 | OUTB | output | Channel B output. |
| 8 | V+ | power_in | Positive power supply. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | ZJW |
| Package | MSOP-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 (B Grade, MSOP-8/TSSOP-14) | VOS |  | 25 | 55 | µV |  | 8 |
| Offset Voltage (B Grade, MSOP-8/TSSOP-14) over temperature | VOS |  | 40 | 85 | µV | ● over specified temperature range | 8 |
| Offset Voltage (A Grade, MSOP-8/TSSOP-14) | VOS |  | 25 | 55 | µV |  | 8 |
| Offset Voltage (A Grade, MSOP-8/TSSOP-14) over temperature | VOS |  | 70 | 160 | µV | ● over specified temperature range | 8 |
| Offset Voltage Drift (B Grade, MSOP-8/TSSOP-14) | TCVOS |  | 0.4 | 0.8 | µV/°C | ● over specified temperature range | 8 |
| Offset Voltage Drift (A Grade, MSOP-8/TSSOP-14) | TCVOS |  | 0.7 | 1.5 | µV/°C | ● over specified temperature range | 8 |
| Input Bias Current | IB |  | 5 | 25 | pA |  | 8 |
| Input Bias Current over temperature | IB |  |  | 5 | nA | ● over specified temperature range | 8 |
| Input Offset Current | IOS |  |  | 10 | pA |  | 8 |
| Input Offset Current over temperature | IOS |  |  | 2 | nA | ● over specified temperature range | 8 |
| Input voltage range | IVR | -15 |  | 12 | V |  | 8 |
| Common-Mode Rejection Ratio | CMRR | 120 | 130 |  | dB | VCM = -15 V to 12 V | 8 |
| Common-Mode Rejection Ratio over temperature | CMRR | 114 |  |  | dB | ● over specified temperature range | 8 |
| Open-Loop Voltage Gain | AVOL | 126 | 140 |  | dB | RL = 10 kΩ, Vo = ± 10 V | 8 |
| Open-Loop Voltage Gain over temperature | AVOL | 120 |  |  | dB | ● over specified temperature range | 8 |
| Output Voltage (High) | VOH |  | 50 | 150 | mV | RL = 10 kΩ | 8 |
| Output Voltage (High) over temperature | VOH |  | 75 | 250 | mV | ● over specified temperature range | 8 |
| Output Voltage (High) | VOH |  | 200 | 350 | mV | RL = 2 kΩ | 9 |
| Output Voltage (High) over temperature | VOH |  | 300 | 550 | mV | ● over specified temperature range | 9 |
| Output Voltage (Low) | VOL |  | 40 | 150 | mV | RL = 10 kΩ | 9 |
| Output Voltage (Low) over temperature | VOL |  | 60 | 250 | mV | ● over specified temperature range | 9 |
| Output Voltage (Low) | VOL |  | 160 | 350 | mV | RL = 2 kΩ | 9 |
| Output Voltage (Low) over temperature | VOL |  | 240 | 550 | mV | ● over specified temperature range | 9 |
| Short-Circuit Current | ISC |  |  | 67 | mA |  | 9 |
| Supply Current (per Amplifier) | ISY |  | 1 | 1.1 | mA | VO = 0 V | 9 |
| Supply Current (per Amplifier) over temperature | ISY |  |  | 1.2 | mA | ● over specified temperature range | 9 |
| Power Supply Rejection Ratio | PSRR | 126 | 140 |  | dB | VSY = ±3 V to ± 18 V | 9 |
| Power Supply Rejection Ratio over temperature | PSRR | 120 |  |  | dB | ● over specified temperature range | 9 |
| Specified Temperature Range |  | -40 |  | 125 | °C |  | 9 |
| Operating Temperature Range |  | -40 |  | 125 | °C |  | 7 |
| Supply Voltage |  |  |  | 40 | V | at 25 °C unless otherwise noted | 7 |
| Input Current |  | -10 |  | 10 | mA |  | 7 |
| Storage Temperature Range |  | -65 |  | 150 | °C |  | 7 |
| Junction Temperature Range |  | -65 |  | 150 | °C |  | 7 |
| Maximum Reflow Temperature |  |  |  | 260 | °C | IPC/JEDEC J-STD-020 compliant | 7 |
| Lead Temperature, Soldering (10 sec) |  |  |  | 300 | °C | 10 s | 7 |
| Electrostatic Discharge, Human Body Model | HBM |  |  | 1.5 | kV | ANSI/ESDA/JEDEC JS-001 | 7 |
| Electrostatic Discharge, Charged Device Model | CDM |  |  | 1 | kV | ANSI/ESDA/JEDEC JS-002 | 7 |
| Thermal Resistance, Junction-to-Ambient (MSOP-8) | θJA |  | 190 |  | °C/W |  | 7 |
| Thermal Resistance, Junction-to-Case (MSOP-8) | θJC |  | 44 |  | °C/W |  | 7 |
| Single-supply voltage |  | 4.5 |  | 36 | V | single supply | 1 |
| Dual-supply voltage (±VS) |  | 2.25 |  | 18 | V | dual supply, per rail | 1 |

## CAD (KiCad official)

- Symbol: `ZJA3000-2AUABR`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `zja3000-2auabr-etched.step` / `zja3000-2auabr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `zja3000-2auabr.step` / `zja3000-2auabr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [ZJW datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604442175488864256) (28 pp, sha256 `21085fb1e01cc67d`, retrieved 2026-10-20, 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](docs/zja3000-2auabr-datasheet.pdf)