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REF3212AIDBVT

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Texas Instruments Voltage Reference, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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page.json ref3212aidbvt: specified limits as data (metadata.characteristics, 22 rows from the datasheet) · Ray 26d ago
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REF3212AIDBVT

Texas Instruments · Voltage Reference · SOT-23-6

REF3212AIDBVT from Texas Instruments, in a SOT-23-6. 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 GND_F power_in Device ground connection (force ground); GND_S and GND_F must stay within 200 mV of each other or the internal ESD diodes may conduct.
2 GND_S power_in Load-side ground sense connection; the maximum differential voltage between GND_S and GND_F must be kept below 200 mV to prevent the ESD protection diodes from turning on.
3 ENABLE input Digital input that enables and disables the device; pulling it low places the reference in low-power shutdown.
4 IN power_in Positive supply input; VIN must be VOUT + 0.05 V to 5.5 V (REF3212 minimum supply is 1.8 V).
5 OUT_S input Load-side output sense connection, used with OUT_F for force-sense load regulation.
6 OUT_F output Voltage reference output; the output current is specified at -10 mA to +10 mA.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOT-23-6
Category Power Management (PMIC)
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Output voltage (REF3212, 1.25 V) VOUT 1.2475 1.25 1.2525 V TA = +25°C, ILOAD = 0mA, VIN = 5V (table default) 4
Initial accuracy -0.2 0.01 0.2 % TA = +25°C, ILOAD = 0mA, VIN = 5V (table default) 4
Output voltage temperature drift dVOUT/dT 4 7 ppm/°C 0°C ≤ TA ≤ +125°C 5
Output voltage temperature drift dVOUT/dT 10.5 20 ppm/°C -40°C ≤ TA ≤ +125°C 5
Line regulation -65 15 65 ppm/V VOUT + 0.05 V ≤ VIN ≤ 5.5V 5
Load regulation, sourcing dVOUT/dILOAD -40 3 40 µV/mA 0mA < ILOAD < 10mA, VIN = VOUT + 250mV 5
Load regulation, sinking dVOUT/dILOAD -60 20 60 µV/mA -10mA < ILOAD < 0mA, VIN = VOUT + 100mV 5
Dropout voltage VIN – VOUT 5 50 mV 0°C ≤ TA ≤ +125°C 5
Output current ILOAD -10 10 mA VIN = VOUT + 250mV 5
Input voltage (REF3212 minimum supply) VIN 1.8 5.5 V Min per footnote (1) for REF3212 (row prints VOUT + 0.05 V); max 5.5 V 6
Enable reference low (shutdown) VL 0 0.7 V Reference in shutdown mode 5
Enable reference high (active) VH 1.5 V Reference active; printed max is VIN 5
Quiescent current IQ 110 130 µA ENABLE > 1.5V, IL = 0 6
Quiescent current over temperature IQ 125 145 µA 0°C ≤ TA ≤ +125°C 6
Shutdown current IS 0.1 1 µA ENABLE < 0.7V 6
Input voltage VIN 7.5 V 4
Operating temperature (absolute maximum) -55 135 °C Operating, ambient 4
Storage temperature -65 150 °C Storage 4
Junction temperature 150 °C 4
Rated temperature range -40 125 °C Rated 6
GND_S to GND_F differential voltage 200 mV Must stay below 200mV to prevent ESD diode conduction 14
Thermal resistance, junction-to-ambient (SOT-23-6) θJA 200 °C/W 6

CAD (KiCad official)

  • Symbol: REF3212AIDBVT
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: ref3212aidbvt-etched.step / ref3212aidbvt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ref3212aidbvt.step / ref3212aidbvt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (28 pp, sha256 4085cf61cd12affb, 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, 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