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LM339BIRTER
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TEXAS INSTRUMENTS Global Sourcing Parts, WQFN-16-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
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PCB Footprint
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Datasheet
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README
markdownLM339BIRTER
TEXAS INSTRUMENTS · Global Sourcing Parts · WQFN-16-EP(3x3)
LM339BIRTER from TEXAS INSTRUMENTS, in a WQFN-16-EP(3x3). 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 | VCC | power_in | Positive supply pin; the LM339B operates from 2 V to 36 V according to the device comparison table. |
| 2 | IN1- | input | Negative input pin of comparator 2 as labeled in the datasheet; LM339B input pins are rated -0.3 V to 38 V absolute maximum. |
| 3 | NC | unconnected | No internal connection; leave floating or connect to GND. |
| 4 | IN1+ | input | Positive input pin of comparator 2 as labeled in the datasheet; LM339B input pins are rated -0.3 V to 38 V absolute maximum. |
| 5 | IN2- | input | Negative input pin of comparator 1 as labeled in the datasheet; LM339B input pins are rated -0.3 V to 38 V absolute maximum. |
| 6 | IN2+ | input | Positive input pin of comparator 1 as labeled in the datasheet; LM339B input pins are rated -0.3 V to 38 V absolute maximum. |
| 7 | IN3- | input | Negative input pin of comparator 3; LM339B input pins are rated -0.3 V to 38 V absolute maximum. |
| 8 | IN3+ | input | Positive input pin of comparator 3; LM339B input pins are rated -0.3 V to 38 V absolute maximum. |
| 9 | IN4- | input | Negative input pin of comparator 4; LM339B input pins are rated -0.3 V to 38 V absolute maximum. |
| 10 | NC | unconnected | No internal connection; leave floating or connect to GND. |
| 11 | IN4+ | input | Positive input pin of comparator 4; LM339B input pins are rated -0.3 V to 38 V absolute maximum. |
| 12 | GND | power_in | Negative supply pin; the exposed thermal pad must be connected directly to this pin. |
| 13 | OUT4 | output | Output pin of comparator 4; LM339B output sink current is limited to 25 mA maximum. |
| 14 | OUT3 | output | Output pin of comparator 3; LM339B output sink current is limited to 25 mA maximum. |
| 15 | OUT2 | output | Output pin of comparator 1 as labeled in the datasheet; LM339B output sink current is limited to 25 mA maximum. |
| 16 | OUT1 | output | Output pin of comparator 2 as labeled in the datasheet; LM339B output sink current is limited to 25 mA maximum. |
| 17 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TEXAS INSTRUMENTS |
| Package | WQFN-16-EP(3x3) |
| Category | Global Sourcing Parts |
| Pins | 17 |
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 | -3.5 | 0.37 | 3.5 | mV | VS = 5 to 36V | 7 |
| Input offset voltage over temperature | VIO | -5.5 | 5.5 | mV | VS = 5 to 36V, TA = -40C to +85C | 7 | |
| Input bias current | IB | -3.5 | -25 | nA | 7 | ||
| Input bias current over temperature | IB | -50 | nA | TA = -40C to +85C | 7 | ||
| Input offset current | IOS | -25 | 0.5 | 25 | nA | 7 | |
| Input offset current over temperature | IOS | -50 | 50 | nA | TA = -40C to +85C | 7 | |
| Large signal differential voltage amplification | AVD | 50 | 200 | V/mV | VS = 15V, VO = 1.4V to 11.4V; RL >= 15k to (V+) | 7 | |
| Low level output voltage | VOL | 110 | 400 | mV | ISINK <= 4mA, VID = -1V | 7 | |
| Low level output voltage over temperature | VOL | 550 | mV | ISINK <= 4mA, VID = -1V, TA = -40C to +85C | 7 | ||
| High level output leakage current | IOH-LKG | 0.1 | 50 | nA | (V+) = VO = 5V; VID = 1V | 7 | |
| High level output leakage current at 36V | IOH-LKG | 100 | nA | (V+) = VO = 36V; VID = 1V | 7 | ||
| Low level output current | IOL | 6 | 21 | mA | VOL = 1.5V; VID = -1V; VS = 5V | 7 | |
| Quiescent current (all comparators) at 5V | IQ | 0.8 | 1.2 | mA | VS = 5V, no load | 7 | |
| Quiescent current (all comparators) at 36V over temperature | IQ | 1 | 1.6 | mA | VS = 36V, no load, TA = -40C to +85C | 7 | |
| Supply voltage (absolute maximum) | VS | -0.3 | 38 | V | VS = (V+) - (V-) | 5 | |
| Differential input voltage | VID | -38 | 38 | V | 5 | ||
| Input pins voltage (IN+, IN-) | -0.3 | 38 | V | 5 | |||
| Current into input pins (IN+, IN-) | -50 | mA | 5 | ||||
| Output pin voltage (OUT) | -0.3 | 38 | V | 5 | |||
| Output sink current | 25 | mA | 5 | ||||
| Junction temperature | TJ | 150 | C | 5 | |||
| Storage temperature | Tstg | -65 | 150 | C | 5 | ||
| ESD human-body model (HBM) | V(ESD) | -2000 | 2000 | V | Human-body model, per ANSI/ESDA/JEDEC JS-001 | 6 | |
| ESD charged-device model (CDM) | V(ESD) | -1000 | 1000 | V | Charged-device model, per ANSI/ESDA/JEDEC JS-002 | 6 | |
| Supply voltage (recommended) | VS | 2 | 36 | V | VS = (V+) - (V-) | 6 | |
| Ambient temperature LM339B | TA | -40 | 85 | C | LM339B | 6 | |
| Junction-to-ambient thermal resistance (RTE WQFN) | RthetaJA | 67.6 | C/W | RTE (QFN) 16-pin package | 6 | ||
| Junction-to-case (top) thermal resistance (RTE WQFN) | RthetaJC(top) | 72.3 | C/W | RTE (QFN) 16-pin package | 6 | ||
| Junction-to-board thermal resistance (RTE WQFN) | RthetaJB | 43.1 | C/W | RTE (QFN) 16-pin package | 6 | ||
| Junction-to-case (bottom) thermal resistance (RTE WQFN) | RthetaJC(bot) | 26.4 | C/W | RTE (QFN) 16-pin package | 6 |
CAD (KiCad official)
- Symbol:
LM339BIRTER - Footprint:
Package_DFN_QFN:QFN-16-1EP_3x3mm_P0.5mm_EP1.7x1.7mm - 3D model: WQFN-16-EP(3x3) (KiCad packages3D, STEP)
- 3D model files:
lm339birter-etched.step/lm339birter-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm339birter.step/lm339birter.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TEXAS INSTRUMENTS datasheet (53 pp, sha256
896cb37f315719c9, retrieved 2026-10-18, 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).