component
LM2903TH-13
Public Made by Adomby adom
Diodes Incorporated Comparators, TSSOP-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
markdownLM2903TH-13
Diodes Incorporated · Comparators · TSSOP-8
LM2903TH-13 from Diodes Incorporated, in a TSSOP-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 | 1OUT | output | Channel 1 open-collector output (grounded-emitter NPN), can sink approximately 16mA and be pulled up to any supply within the permitted range up to 36V. |
| 2 | 1IN- | input | Channel 1 inverting input; input voltage range -0.3V to +36V. |
| 3 | 1IN+ | input | Channel 1 non-inverting input; input voltage range -0.3V to +36V. |
| 4 | GND | power_in | Ground; unused comparator inputs should be tied to the negative supply. |
| 5 | 2IN+ | input | Channel 2 non-inverting input; input voltage range -0.3V to +36V. |
| 6 | 2IN- | input | Channel 2 inverting input; input voltage range -0.3V to +36V. |
| 7 | 2OUT | output | Channel 2 open-collector output (grounded-emitter NPN), can sink approximately 16mA and be pulled up to any supply within the permitted range up to 36V. |
| 8 | VCC | power_in | Chip supply voltage, 2V to 36V single supply (absolute maximum 36V). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | TSSOP-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 | VCC | 36 | V | TA = +25°C | 3 | ||
| Differential Input Voltage | VID | 36 | V | TA = +25°C | 3 | ||
| Input Voltage | VIN | -0.3 | 36 | V | TA = +25°C | 3 | |
| Input Current | IIN | 50 | mA | VIN < -0.3V | 3 | ||
| Output Voltage | VO | 36 | V | TA = +25°C | 3 | ||
| Output Current | IO | 20 | mA | TA = +25°C | 3 | ||
| Package Thermal Impedance Junction-to-Ambient | θJA | 185 | °C/W | TSSOP-8 (Note 6) | 3 | ||
| Package Thermal Impedance Junction-to-Case | θJC | 17 | °C/W | TSSOP-8 (Note 6) | 3 | ||
| Operating Temperature Range | TA | -40 | 125 | °C | 3 | ||
| Operating Junction Temperature | TJ | 150 | °C | 3 | |||
| Storage Temperature Range | TST | -65 | 150 | °C | 3 | ||
| Lead Temperature (Soldering, 10 seconds) | TLEAD | 260 | °C | 3 | |||
| Human Body Mode ESD Protection | ESD | 500 | V | Human body model, 1.5kΩ in series with 100pF | 3 | ||
| Machine Mode ESD Protection | ESD | 100 | V | 3 | |||
| Input Offset Voltage | VIO | 2 | 7 | mV | Non-A Device, TA = +25°C, VIC = VCMR Min, VO = 1.4V, VCC = 5V to 30V | 5 | |
| Input Offset Voltage (full range) | VIO | 15 | mV | Non-A Device, Full Range, VIC = VCMR Min, VO = 1.4V, VCC = 5V to 30V | 5 | ||
| Input Bias Current | IB | 25 | 250 | nA | IIN+ or IIN− with OUT in Linear Range, VCM = 0V, TA = +25°C | 5 | |
| Input Bias Current (full range) | IB | 500 | nA | IIN+ or IIN− with OUT in Linear Range, VCM = 0V, Full Range | 5 | ||
| Input Offset Current | IIO | 5 | 50 | nA | IIN+ - IIN−, VCM = 0V, TA = +25°C | 5 | |
| Input Offset Current (full range) | IIO | 200 | nA | IIN+ - IIN−, VCM = 0V, Full Range | 5 | ||
| Supply Current | ICC | 0.7 | 1.7 | mA | RL = ∞ on Both Channels, VCC = 30V, TA = +25°C | 5 | |
| Supply Current (full range) | ICC | 3 | mA | RL = ∞ on Both Channels, VCC = 30V, Full Range | 5 | ||
| Supply Current | ICC | 0.6 | 1 | mA | RL = ∞ on Both Channels, VCC = 5V, TA = +25°C | 5 | |
| Supply Current (full range) | ICC | 2 | mA | RL = ∞ on Both Channels, VCC = 5V, Full Range | 5 | ||
| Voltage Gain | AV | 50 | 200 | V/mV | VCC = 15V, VOUT = 1V to 11V, RL ≥ 15kΩ, TA = +25°C | 5 | |
| Large Signal Response Time | 300 | ns | VIN = TTL Logic Swing, VREF = 1.4V, VRL = 5V, RL = 5.1kΩ, TA = +25°C | 5 | |||
| Response Time | 1.3 | µs | VRL = 5V, RL = 5.1kΩ (Note 13), TA = +25°C | 5 | |||
| Output Sink Current | IO(SINK) | 6 | 16 | mA | VIN− = 1V, VIN+ = 0, VO ≤ 1.5V, TA = +25°C | 5 | |
| Saturation Voltage | VSAT | 200 | 400 | mV | VIN− = 1V, VIN+ = 0, ISINK ≤ 4mA, TA = +25°C | 5 | |
| Saturation Voltage (full range) | VSAT | 700 | mV | VIN− = 1V, VIN+ = 0, ISINK ≤ 4mA, Full Range | 5 | ||
| Output Leakage Current | IO(LEAK) | 0.1 | nA | VIN− = 0V, VIN+ = 1, VO = 5V, TA = +25°C | 5 | ||
| Output Leakage Current (full range) | IO(LEAK) | 1 | µA | VIN− = 0V, VIN+ = 1, VO = 30V, Full Range | 5 | ||
| Differential Input Voltage | VID | 36 | V | All VIN ≥0V (or V- if used) (Note 14), Full Range | 5 |
CAD (KiCad official)
- Symbol:
LM2903TH-13 - Footprint:
Package_SO:TSSOP-8_3x3mm_P0.65mm - 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
lm2903th-13-etched.step/lm2903th-13-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lm2903th-13.step/lm2903th-13.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (18 pp, sha256
f35cbe124936ddf3, retrieved 2026-10-23, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-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).