component
LT1004IPWR-1-2
Public Made by Adomby adom
Texas Instruments Voltage Reference, 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
markdownLT1004IPWR-1-2
Texas Instruments · Voltage Reference · TSSOP-8
LT1004IPWR-1-2 from Texas Instruments, 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 | NC | unconnected | No internal connection. |
| 2 | NC | unconnected | No internal connection. |
| 3 | NC | unconnected | No internal connection. |
| 4 | ANODE | power_in | Anode of the two-terminal band-gap reference diode, the ground/low-side terminal. |
| 5 | NC | unconnected | No internal connection. |
| 6 | CATHODE | passive | Cathode of the reference diode, internally connected to terminal 8; reference voltage 1.235 V typ at IZ = 100 µA. |
| 7 | NC | unconnected | No internal connection. |
| 8 | CATHODE | passive | Cathode of the reference diode, internally connected to terminal 6; operates up to 20 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-8 |
| Category | Power Management (PMIC) |
| 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 |
|---|---|---|---|---|---|---|---|
| Reference voltage | VZ | 1.231 | 1.235 | 1.239 | V | IZ = 100 µA, TA = 25°C | 4 |
| Reference voltage (full range, LT1004I) | VZ | 1.225 | 1.245 | V | IZ = 100 µA, full range (−40°C to 85°C for LT1004I) | 4 | |
| Change in reference voltage with current (full range) | ΔVZ | 1.5 | mV | IZ = IZ(min) to 1 mA, full range | 4 | ||
| Change in reference voltage with current (full range) | ΔVZ | 20 | mV | IZ = 1 mA to 20 mA, full range | 4 | ||
| Reference impedance | zz | 0.2 | 0.6 | Ω | IZ = 100 µA, TA = 25°C | 4 | |
| Reference impedance (full range) | zz | 1.5 | Ω | IZ = 100 µA, full range | 4 | ||
| Minimum reference current (full range) | IZ(min) | 8 | 12 | µA | Full range | 4 | |
| Broadband noise voltage | Vn | 60 | 120 | µV | IZ = 100 µA, f = 10 Hz to 10 kHz, TA = 25°C | 4 | |
| Operating free-air temperature (LT1004I) | TA | -40 | 85 | °C | LT1004I | 2 | |
| Reverse current | IR | 30 | mA | Absolute maximum rating | 4 | ||
| Forward current | IF | 10 | mA | Absolute maximum rating | 4 | ||
| Operating virtual junction temperature | TJ | 150 | °C | Absolute maximum rating | 4 | ||
| Storage temperature range | Tstg | -65 | 150 | °C | Absolute maximum rating | 4 | |
| Lead temperature | 260 | °C | 1,6 mm (1/16 inch) from case for 10 seconds | 4 | |||
| Package thermal impedance, PW package | θJA | 149 | °C/W | PW package, see Notes 1 and 2 (JESD 51-7) | 4 | ||
| Average temperature coefficient of reference voltage | 20 | ppm/°C | IZ = 10 µA, TA = 25°C | 4 | |||
| Change in reference voltage with current (25°C) | ΔVZ | 1 | mV | IZ = IZ(min) to 1 mA, TA = 25°C | 4 | ||
| Change in reference voltage with current (25°C) | ΔVZ | 10 | mV | IZ = 1 mA to 20 mA, TA = 25°C | 4 | ||
| Long-term change in reference voltage | ΔVZ/Δt | 20 | ppm/khr | IZ = 100 µA, TA = 25°C | 4 |
CAD (KiCad official)
- Symbol:
LT1004IPWR-1-2 - Footprint:
Package_SO:TSSOP-8_3x3mm_P0.65mm - 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files:
lt1004ipwr-1-2-etched.step/lt1004ipwr-1-2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lt1004ipwr-1-2.step/lt1004ipwr-1-2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (25 pp, sha256
f1e1f2915363f355, retrieved 2026-10-20, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).