# HT07ARZ

**HTCSEMI** · Operational Amplifier · SOP-8

HT07ARZ from HTCSEMI, in a SOP-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 | Offset Null 1 | passive | Offset null terminal used with a 20kΩ potentiometer to the supply to trim the input offset voltage. |
| 2 | Inverting Input | input | Inverting input of the op-amp; input voltage limited to ±22V and differential input to ±30V. |
| 3 | Non-inverting Input | input | Non-inverting input of the op-amp; input voltage limited to ±22V and differential input to ±30V. |
| 4 | VCC- | power_in | Negative supply (or ground in single-supply use); supply range is ±3V to ±22V. |
| 5 | N.C. | unconnected | No internal connection. |
| 6 | Output | output | Op-amp output with typical swing of ±13V into 10kΩ and open loop output resistance of 60Ω. |
| 7 | VCC+ | power_in | Positive supply; supply range is ±3V to ±22V. |
| 8 | Offset Null 2 | passive | Offset null terminal used with a 20kΩ potentiometer to the supply to trim the input offset voltage. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HTCSEMI |
| Package | SOP-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 |
|---|---|---|---|---|---|---|---|
| Input offset voltage | Vio |  |  | 50 | µV | Tamb = 25°C | 4 |
| Input offset voltage over temperature | Vio |  |  | 100 | µV | 0°C ≤ Tamb ≤ +105°C | 4 |
| Long term input offset voltage stability |  |  | 0.4 | 2 | µV/Mo |  | 4 |
| Input offset voltage drift | DVio |  | 0.5 | 1.8 | µV/°C |  | 4 |
| Input offset current | Iio |  | 0.8 | 6 | nA | Vic = 0V | 4 |
| Input offset current over temperature | Iio |  |  | 7 | nA | 0°C ≤ Tamb ≤ +105°C | 4 |
| Input offset current drift | DIio |  | 15 | 50 | pA/°C |  | 4 |
| Input bias current drift | DIib |  | 15 | 50 | pA/°C |  | 4 |
| Input common mode voltage range | Vicm | 13 | 13.5 |  | V | Tamb = 25°C; printed ±13 / ±13.5 | 4 |
| Input common mode voltage range over temperature | Vicm | 13 |  |  | V | 0°C ≤ Tamb ≤ +105°C; printed ±13 | 4 |
| Common-mode rejection ratio | CMR | 100 | 120 |  | dB | Vic = Vicm -min | 4 |
| Common-mode rejection ratio over temperature | CMR | 97 |  |  | dB | 0°C ≤ Tamb ≤ +105°C | 4 |
| Supply voltage rejection ratio | SVR | 90 | 104 |  | dB | VCC = ±3 to ±18V | 4 |
| Supply voltage rejection ratio over temperature | SVR | 86 |  |  | dB | 0°C ≤ Tamb ≤ +105°C | 4 |
| Large signal voltage gain | Avd | 120 | 400 |  | V/mV | VCC = ±15, RL = 2kΩ, VO = ±10V | 4 |
| Large signal voltage gain over temperature | Avd | 100 |  |  | V/mV | 0°C ≤ Tamb ≤ +105°C | 4 |
| Large signal voltage gain, low supply | Avd | 100 | 400 |  | V/mV | VCC = ±3, RL = 500Ω, VO = ±0.5V | 4 |
| Output voltage swing | Vopp | 12 | 13 |  | V | RL = 10kΩ; printed ± | 4 |
| Output voltage swing | Vopp | 11.5 | 12.8 |  | V | RL = 2kΩ; printed ± | 4 |
| Output voltage swing | Vopp | 11 | 12 |  | V | RL = 1kΩ; printed ± | 4 |
| Supply current, no load | ICC |  | 2.7 | 5 | mA | no load | 4 |
| Supply current, no load over temperature | ICC |  |  | 6 | mA | 0°C ≤ Tamb ≤ +105°C | 4 |
| Supply current, no load, low supply | ICC |  | 0.67 | 1.3 | mA | VCC = ±3V | 4 |
| Equivalent input noise voltage | en |  | 11 | 20 | nV/√Hz | f = 10Hz | 4 |
| Equivalent input noise voltage | en |  | 10.5 | 13.5 | nV/√Hz | f = 100Hz | 4 |
| Equivalent input noise voltage | en |  | 10 | 11.5 | nV/√Hz | f = 1kHz | 4 |
| Equivalent input noise current | in |  | 0.3 | 0.9 | pA/√Hz | f = 10Hz | 4 |
| Equivalent input noise current | in |  | 0.2 | 0.3 | pA/√Hz | f = 100Hz | 4 |
| Equivalent input noise current | in |  | 0.1 | 0.2 | pA/√Hz | f = 1kHz | 4 |
| Open loop output resistance | Ro |  | 60 |  | Ω |  | 4 |
| Differential input resistance | Rid |  | 33 |  | MΩ | printed MW | 4 |
| Common mode input resistance | Ric |  | 120 |  | GΩ | printed GW | 4 |
| Slew rate | SR |  | 0.17 |  | V/µs | RL = 2kΩ, CL = 100pF | 4 |
| Gain bandwidth product | GBP |  | 0.5 |  | MHz | RL = 2kΩ, CL = 100pF, f = 100kHz | 4 |
| Supply voltage | VCC | -22 |  | 22 | V | printed ± 22 | 3 |
| Differential input voltage | Vid | -30 |  | 30 | V | printed ± 30 | 3 |
| Input voltage | Vi | -22 |  | 22 | V | printed ± 22 | 3 |
| Operating temperature | Toper | -40 |  | 105 | °C |  | 3 |
| Storage temperature | Tstg | -65 |  | 150 | °C |  | 3 |
| ESD HBM | ESD |  |  | 1.5 | kV | human body model, 100pF / 1.5kΩ | 3 |
| ESD MM | ESD |  |  | 200 | V | machine model, 200pF | 3 |
| ESD CDM | ESD |  |  | 1.5 | kV | charged device model | 3 |
| Thermal resistance junction to ambient | Rthja |  | 85 |  | °C/W | DIP8, typical | 3 |
| Thermal resistance junction to case | Rthjc |  | 41 |  | °C/W | DIP8, typical | 3 |
| Supply voltage range |  | -22 |  | 22 | V | Features: ±3V to ±22V; min/max here are the ±22V extremes. Lower bound ±3V | 1 |

## CAD (KiCad official)

- Symbol: `HT07ARZ`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `ht07arz-etched.step` / `ht07arz-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ht07arz.step` / `ht07arz.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HTCSEMI datasheet](docs/ht07arz-datasheet.pdf) (6 pp, sha256 `c093b747345af92a`, retrieved 2026-10-31, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/ht07arz-datasheet.pdf)