component
OPA1642AQDGKRQ1
Public Made by Adomby adom
Texas Instruments Audio Amplifiers, VSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownOPA1642AQDGKRQ1
Texas Instruments · Audio Amplifiers · VSSOP-8
OPA1642AQDGKRQ1 from Texas Instruments, in a VSSOP-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 | Output of amplifier channel A. |
| 2 | -IN A | input | Inverting input of channel A. |
| 3 | +IN A | input | Noninverting input of channel A. |
| 4 | V- | power_in | Negative (lowest) power supply pin. |
| 5 | +IN B | input | Noninverting input of channel B. |
| 6 | -IN B | input | Inverting input of channel B. |
| 7 | OUT B | output | Output of amplifier channel B. |
| 8 | V+ | power_in | Positive (highest) power supply pin. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VSSOP-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 |
|---|---|---|---|---|---|---|---|
| Supply voltage | VS | 40 | V | 4 | |||
| Input current | IIN | -10 | 10 | mA | 4 | ||
| Operating temperature | TA | -55 | 125 | °C | 4 | ||
| Junction temperature | TJ | -65 | 150 | °C | 4 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 4 | ||
| Supply voltage, single supply | VS | 4.5 | 36 | V | Single supply | 4 | |
| Supply voltage, dual supply | VS | 2.25 | 18 | V | Dual supply | 4 | |
| Specified temperature | -40 | 125 | °C | 4 | |||
| Input offset voltage | VOS | 1 | 3.5 | mV | VS = ±18 V | 5 | |
| PSRR, VOS vs power supply | PSRR | 0.14 | 2 | μV/V | VS = ±2.25 V to ±18 V | 5 | |
| Input bias current | IB | -20 | 2 | 20 | pA | VCM = 0 V | 5 |
| Input offset current | IOS | -20 | 2 | 20 | pA | VCM = 0 V | 5 |
| Common-mode rejection ratio | CMRR | 120 | 126 | dB | VCM = (V–) – 0.1 V to (V+) – 3.5 V, VS = ±18 V | 5 | |
| Open-loop voltage gain, OPA1642-Q1, RL = 10 kΩ | AOL | 114 | 134 | dB | OPA1642-Q1: (V–) + 0.2 V ≤ VO ≤ (V+) – 0.2 V, RL = 10 kΩ | 6 | |
| Open-loop voltage gain, OPA1642-Q1, RL = 2 kΩ | AOL | 111 | 126 | dB | OPA1642-Q1: (V–) + 0.35 V ≤ VO ≤ (V+) – 0.35 V, RL = 2 kΩ | 6 | |
| Specified supply voltage | VS | 2.25 | 18 | V | 6 | ||
| Quiescent current (per amplifier) | IQ | 1.8 | 2.3 | mA | IOUT = 0 A | 6 | |
| Specified temperature range | -40 | 125 | °C | 6 | |||
| Operating temperature range | -55 | 125 | °C | 6 | |||
| Junction-to-ambient thermal resistance (DGK, VSSOP-8) | RθJA | 180 | °C/W | DGK (VSSOP) 8 pins | 4 | ||
| Junction-to-case (top) thermal resistance (DGK, VSSOP-8) | RθJC(top) | 55 | °C/W | DGK (VSSOP) 8 pins | 4 | ||
| Junction-to-board thermal resistance (DGK, VSSOP-8) | RθJB | 130 | °C/W | DGK (VSSOP) 8 pins | 4 | ||
| Junction-to-board characterization parameter (DGK, VSSOP-8) | ψJB | 120 | °C/W | DGK (VSSOP) 8 pins | 4 |
CAD (KiCad official)
- Symbol:
OPA1642AQDGKRQ1 - Footprint:
Package_SO:VSSOP-8_2.3x2mm_P0.5mm - 3D model: VSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
opa1642aqdgkrq1-etched.step/opa1642aqdgkrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);opa1642aqdgkrq1.step/opa1642aqdgkrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (34 pp, sha256
bd47a111667d2ec0, retrieved 2026-10-10, tier: lcsc) - 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, primaryclaude-haiku-5-5(text), consensusclaude-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).