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REF5025IDGKT

Texas Instruments · Voltage Reference · VSSOP-8-0.65mm

REF5025IDGKT from Texas Instruments, in a VSSOP-8-0.65mm. 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 DNC unconnected Do not connect this pin.
2 VIN power_in Input supply voltage; for REF50xxI/AI it must be at least VOUT + 0.2V and no more than 18V.
3 TEMP output Temperature monitoring output giving 509mV + 2.64mV/°C (REF50xxI/AI) with approximately 60kΩ source impedance, accurate to about ±15°C.
4 GND power_in Ground reference for the device.
5 TRIM/NR passive Output adjustment or noise reduction pin.
6 VOUT power_out Reference voltage output, sourcing or sinking up to ±10mA.
7 NC unconnected No internal connection; leave floating or connect to GND.
8 DNC unconnected Do not connect this pin.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VSSOP-8-0.65mm
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
Initial accuracy (high grade) -0.05 0.05 % All voltage options (1) 7
Output voltage temperature drift (high grade) dVOUT/dT 2.5 3 ppm/°C TA = -40°C to 125°C 7
Line regulation ΔVO(ΔVI) 1 3 ppm/V VIN = (VOUT + 0.2V) to 18V(1) 7
Line regulation over temperature ΔVO(ΔVI) 1 5 ppm/V VIN = (VOUT + 0.2V) TO 18V, TA = -40°C to 125°C(1) 7
Load regulation ΔVO(ΔIL) 20 30 ppm/mA -10mA < IOUT < 10mA, VIN = VOUT + 0.75V(2) 7
Load regulation over temperature ΔVO(ΔIL) 50 ppm/mA 10mA < IOUT < 10mA, VIN = VOUT + 0.75V(2), TA = -40°C to 125°C 7
Quiescent current IQ 0.8 1 mA 8
Quiescent current over temperature IQ 1.2 mA -40°C ≤ TA ≤ 125°C 8
Supply voltage VS 18 V See note (1); minimum printed as VOUT + 0.2 8
Specified temperature range -40 125 °C Specified range 8
Operating temperature range (table) -55 125 °C Operating range 8
Operating temperature (TA) TA -55 125 °C Over operating free-air temperature range 5
Input voltage VIN (REF50xxI, REF50xxAI) VIN -0.3 18 V Specification for REF5xxI and REF50xxAI 5
Output voltage VOUT -0.3 5.5 V 5
Junction temperature TJ 150 °C Junction temperature (TA) max 5
Storage temperature range Tstg -65 150 °C 5
Input voltage VIN (recommended) VIN 18 V Specification for REF50xxI and REF50xxAI; minimum printed as VOUT + 0.2 (1) 5
Output current IOUT -10 10 mA 5
Operating ambient temperature TA -40 25 125 °C 5
Junction-to-ambient thermal resistance (VSSOP) RθJA 160.9 °C/W DGK (VSSOP) 8 pins 6
Junction-to-case (top) thermal resistance (VSSOP) RθJC(top) 53.9 °C/W DGK (VSSOP) 8 pins 6
Junction-to-board thermal resistance (VSSOP) RθJB 82.9 °C/W DGK (VSSOP) 8 pins 6
Junction-to-top characterization parameter (VSSOP) ΨJT 5.1 °C/W DGK (VSSOP) 8 pins 6
Junction-to-board characterization parameter (VSSOP) ΨJB 80.7 °C/W DGK (VSSOP) 8 pins 6
Short circuit current ISC 25 mA VOUT = 0 7
Output voltage VOUT 2.5 V REF5025 7
Low frequency noise enpp 3 µVPP/V ƒ = 0.1Hz to 10Hz 7
Output voltage noise en 0.9 µVrms/V ƒ = 10Hz to 1kHz 7
Thermal hysteresis cycle 1 (VSSOP-8, high grade) 50 ppm VSSOP-8, Cycle 1 7
Thermal hysteresis cycle 2 (VSSOP-8, high grade) 40 ppm VSSOP-8, Cycle 2 7
Long-term stability 0 to 1000 hours (VSSOP-8) ΔVOUT_LTD 50 ppm VSSOP-8, 0 to 1000 hours 7
Long-term stability 1000 to 2000 hours (VSSOP-8) ΔVOUT_LTD 25 ppm VSSOP-8, 1000 to 2000 hours 7
Temp pin voltage output 575 mV Voltage output 7
Temp pin temperature sensitivity 2.64 mV/°C TA = -40°C to 125°C 7
Turn-on settling time 200 µs To 0.1% with CL = 1μF 8

CAD (KiCad official)

  • Symbol: REF5025IDGKT
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8-0.65mm (KiCad packages3D, STEP)
  • 3D model files: ref5025idgkt-etched.step / ref5025idgkt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ref5025idgkt.step / ref5025idgkt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (52 pp, sha256 33b13191ad54693f, retrieved 2026-11-06, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-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