# TL074QDREP

**Texas Instruments** · FET InputAmplifiers · SOIC-14

TL074QDREP from Texas Instruments, in a SOIC-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 | 1OUT | output | Output of amplifier 1; output may be shorted to ground or either supply for unlimited duration. |
| 2 | 1IN− | input | Inverting input of amplifier 1; JFET input, differential input voltage limit ±30 V and input voltage must not exceed supply magnitude or 15 V. |
| 3 | 1IN+ | input | Non-inverting input of amplifier 1; JFET input, input voltage limit ±15 V. |
| 4 | VCC+ | power_in | Positive supply voltage, absolute maximum 18 V. |
| 5 | 2IN+ | input | Non-inverting input of amplifier 2; JFET input, input voltage limit ±15 V. |
| 6 | 2IN− | input | Inverting input of amplifier 2; JFET input, differential input voltage limit ±30 V. |
| 7 | 2OUT | output | Output of amplifier 2; output may be shorted to ground or either supply for unlimited duration. |
| 8 | 3OUT | output | Output of amplifier 3; output may be shorted to ground or either supply for unlimited duration. |
| 9 | 3IN− | input | Inverting input of amplifier 3; JFET input, differential input voltage limit ±30 V. |
| 10 | 3IN+ | input | Non-inverting input of amplifier 3; JFET input, input voltage limit ±15 V. |
| 11 | VCC− | power_in | Negative supply voltage, absolute maximum 18 V magnitude. |
| 12 | 4IN+ | input | Non-inverting input of amplifier 4; JFET input, input voltage limit ±15 V. |
| 13 | 4IN− | input | Inverting input of amplifier 4; JFET input, differential input voltage limit ±30 V. |
| 14 | 4OUT | output | Output of amplifier 4; output may be shorted to ground or either supply for unlimited duration. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-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 |
|---|---|---|---|---|---|---|---|
| Input offset voltage | VIO |  | 3 | 6 | mV | VO = 0, RS = 50 Ω, TA = 25°C | 4 |
| Input offset voltage (full range) | VIO |  |  | 8 | mV | VO = 0, RS = 50 Ω, Full range (-40°C to 125°C for Q) | 4 |
| Input offset voltage temperature coefficient | αVIO |  | 18 |  | μV/°C | VO = 0, RS = 50 Ω, Full range | 4 |
| Input offset current | IIO |  | 5 | 100 | pA | VO = 0, TA = 25°C | 4 |
| Input offset current (125°C) | IIO |  |  | 2 | nA | VO = 0, TA = 125°C | 4 |
| Input bias current | IIB |  | 65 | 200 | pA | VO = 0, TA = 25°C | 4 |
| Input bias current (125°C) | IIB |  |  | 20 | nA | VO = 0, TA = 125°C | 4 |
| Common-mode input voltage range | VICR | 11 |  |  | V | TA = 25°C; printed ±11, typ -12 to 15 | 4 |
| Maximum peak output voltage swing | VOM | 12 | 13.5 |  | V | RL = 10 kΩ, TA = 25°C (printed ±12, typ ±13.5) | 4 |
| Maximum peak output voltage swing (full range) | VOM | 12 |  |  | V | RL ≥ 10 kΩ, Full range (printed ±12) | 4 |
| Maximum peak output voltage swing (full range) | VOM | 10 |  |  | V | RL ≥ 2 kΩ, Full range (printed ±10) | 4 |
| Large-signal differential voltage amplification | AVD | 35 | 200 |  | V/mV | VO = ±10 V, RL ≥ 2 kΩ, TA = 25°C | 4 |
| Large-signal differential voltage amplification (full range) | AVD | 15 |  |  | V/mV | VO = ±10 V, RL ≥ 2 kΩ, Full range | 4 |
| Unity-gain bandwidth | B1 |  | 3 |  | MHz | TA = 25°C | 4 |
| Common-mode rejection ratio | CMRR | 80 | 86 |  | dB | VIC = VICRmin, VO = 0, RS = 50 Ω, TA = 25°C | 4 |
| Supply-voltage rejection ratio | kSVR | 80 | 86 |  | dB | VCC = ±9 V to ±15 V, VO = 0, RS = 50 Ω, TA = 25°C | 4 |
| Supply current (each amplifier) | ICC |  | 1.4 | 2.5 | mA | VO = 0, No load, TA = 25°C | 4 |
| Crosstalk attenuation | VO1/VO2 |  | 120 |  | dB | AVD = 100, TA = 25°C | 4 |
| Slew rate at unity gain | SR | 8 | 13 |  | V/μs | VI = 10 V, RL = 2 kΩ, CL = 100 pF, See Figure 1 | 4 |
| Rise time | tr |  | 0.1 |  | μs | VI = 20 V, RL = 2 kΩ, CL = 100 pF, See Figure 1 | 4 |
| Overshoot factor |  |  | 20 |  | % | VI = 20 V, RL = 2 kΩ, CL = 100 pF, See Figure 1 | 4 |
| Equivalent input noise voltage | Vn |  | 18 |  | nV/√Hz | RS = 20 Ω, f = 1 kHz | 4 |
| Equivalent input noise voltage | Vn |  | 4 |  | μV | RS = 20 Ω, f = 10 Hz to 10 kHz | 4 |
| Equivalent input noise current | In |  | 0.01 |  | pA/√Hz | RS = 20 Ω, f = 1 kHz | 4 |
| Total harmonic distortion | THD |  | 0.003 |  | % | VIrms = 6 V, AVD = 1, RL ≥ 2 kΩ, RS ≤ 1 kΩ, f = 1 kHz | 4 |
| Supply voltage VCC+ | VCC+ |  |  | 18 | V | over operating free-air temperature range | 3 |
| Supply voltage VCC- | VCC- |  |  | 18 | V | over operating free-air temperature range | 3 |
| Differential input voltage | VID | -30 |  | 30 | V | printed ±30 | 3 |
| Input voltage | VI | -15 |  | 15 | V | printed ±15 | 3 |
| Operating virtual junction temperature | TJ |  |  | 150 | °C |  | 3 |
| Storage temperature range | Tstg | -65 |  | 150 | °C |  | 3 |
| Thermal resistance, junction-to-ambient | θJA |  | 86 |  | °C/W | TL074 | 3 |
| Thermal resistance, junction-to-case | θJC |  | 51.5 |  | °C/W | TL074 | 3 |

## CAD (KiCad official)

- Symbol: `TL074QDREP`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `tl074qdrep-etched.step` / `tl074qdrep-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tl074qdrep.step` / `tl074qdrep.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/tl074qdrep.pdf) (21 pp, sha256 `62e144aa204ddb27`, retrieved 2026-10-30, tier: manufacturer)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/tl074qdrep-datasheet.pdf)