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REF320SOT233

Public Made by Adom

by adom

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

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REF320SOT233

analogysemi · Voltage Reference · SOT-23-3

REF320SOT233 from analogysemi, in a SOT-23-3. 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 IN power_in Supply input voltage, recommended VOUT + 0.02 V to 5.5 V for REF320 (VOUT = 2.048 V), with a 6.5 V absolute maximum input rating.
2 OUT output Analog voltage reference output (2.048 V for REF320SOT233), with an output current range of −25 mA to 25 mA.
3 GND power_in Ground reference pin for the device.

Key specifications

Parameter Value
Manufacturer analogysemi
Package SOT-23-3
Category Power Management (PMIC)
Pins 3

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 voltage 6.5 V 3
Output voltage 5 V 3
Operating temperature, TA TA -55 150 °C 3
Junction temperature, TJ TJ 150 °C 3
Storage temperature, Tstg Tstg -65 150 °C 3
Electrostatic discharge, human-body model V(ESD) -8000 8000 V Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001 3
Electrostatic discharge, charged-device model V(ESD) -2000 2000 V Charged-device model (CDM), per JEDEC specification JESD22-C101 3
Supply input voltage VIN 5.5 V 4
Output current range IOUT -25 25 mA 4
Operating temperature TA -55 135 °C 4
Junction-to-ambient thermal resistance RθJA 176.7 °C/W SOT23-3 4
Junction-to-board thermal resistance RθJB 22.9 °C/W SOT23-3 4
Junction-to-top characterization parameter ψJT 4.2 °C/W SOT23-3 4
Junction-to-board characterization parameter ψJB 26.7 °C/W SOT23-3 4
Junction-to-case (top) thermal resistance RθJC(top) 84.9 °C/W SOT23-3 4
Output voltage VOUT 2.048 V 5
Initial accuracy -0.1 0.05 0.1 % 5
Output voltage noise, 0.1Hz to 10Hz 22 μVPP f = 0.1Hz to 10Hz 5
Voltage noise, 10Hz to 10kHz 35 µVRMS f = 10Hz to 10kHz 5
Noise density 460 nV/√Hz 1kHz 5
Line regulation -100 5 100 µV/V VOUT + 0.05V ≤ VIN ≤ 5.5V 5
Line regulation over temperature -230 230 µV/V −40°C ≤ TA ≤ 125°C, VOUT + 0.05V ≤ VIN ≤ 5.5V 5
Ripple rejection ratio -53 dB 100mV, 1kHz 6
Output voltage temperature drift dVOUT/dT 5 20 ppm/°C −40°C ≤ TA ≤ 125°C 6
Solder heat resistance shift 0.015 % 6
Long-term stability, 0h to 100h 80 ppm 0h to 100h 6
Long-term stability, 0h to 1000h 130 ppm 0h to 1000h 6
Load regulation, sourcing dVOUT/dLOAD -30 -2 30 ppm/mA Sourcing, 0mA < ILOAD < 25mA, VIN = VOUT + 250mV 6
Load regulation, sourcing over temperature dVOUT/dLOAD -30 30 ppm/mA −40°C ≤ TA ≤ 125°C, sourcing, 0mA < ILOAD < 10mA, VIN = VOUT + 250mV 6
Load regulation, sinking dVOUT/dLOAD -100 -57 100 ppm/mA Sinking, −10mA < ILOAD < 0mA, VIN = VOUT + 100mV 6
Load regulation, sinking over temperature dVOUT/dLOAD -150 150 ppm/mA −40°C ≤ TA ≤ 125°C, sinking, −10mA < ILOAD < 0mA, VIN = VOUT + 100mV 6
Thermal hysteresis, first cycle dT -300 300 ppm First cycle 6
Thermal hysteresis, additional cycles dT -60 60 ppm Additional cycles 6
Dropout voltage, ILOAD = 50µA 5 10 mV ILOAD = 50µA, output ≤ 2.048V 6
Dropout voltage, ILOAD = 10mA 150 mV ILOAD = 10mA, output ≤ 2.048V 6
Output current ILOAD -25 25 mA output > 2.048V, VIN = VOUT + 250mV; output ≤ 2.048V, VIN = VOUT + 400mV 6
Short-circuit current, sourcing ISC 50 mA Sourcing 7
Short-circuit current, sinking ISC 50 mA Sinking 7
Turn-on settling time 20 ms To 0.1% at VIN = 5V with CL = 0 7
Load capacitance CL 0.1 nF 7
Supply voltage VIN 5.5 V IL = 0 7
Quiescent current IQ 60 80 µA IL = 0 7
Quiescent current, overtemperature IQ 85 µA 0°C ≤ TA ≤ 125°C, IL = 0 7
Specified temperature range -40 125 °C 7
Operating temperature range -55 135 °C 7
Storage temperature range -65 150 °C 7

CAD (KiCad official)

  • Symbol: REF320SOT233
  • Footprint: Package_TO_SOT_SMD:SOT-23-3
  • 3D model: SOT-23-3 (KiCad packages3D, STEP)
  • 3D model files: ref320sot233-etched.step / ref320sot233-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ref320sot233.step / ref320sot233.glb are the bare package body.

Provenance

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

  • Datasheet: analogysemi datasheet (17 pp, sha256 1bd116cea5a7950d, 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, 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