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LT1461CIS8-3.3#PBF

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Analog Devices Voltage References, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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LT1461CIS8-3.3#PBF

Analog Devices · Voltage References · SOIC-8

LT1461CIS8-3.3#PBF from Analog Devices, in a SOIC-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 DNC unconnected Do not connect; the datasheet marks this pin DNC*, meaning it must be left unconnected.
2 VIN power_in Input supply; the datasheet requires (VOUT + 0.3V) ≤ VIN ≤ 20V, with an absolute maximum input voltage of 20V.
3 SHDN input Shutdown input; logic high is 2.4V minimum, logic low is 0.8V maximum, and the reference is operating with the pin open or at 2.4V or greater.
4 GND power_in Ground reference pin for the reference circuit.
5 DNC unconnected Do not connect; the datasheet marks this pin DNC*, meaning it must be left unconnected.
6 VOUT power_out Reference output; the part sources up to 50mA with 0 to 50mA load regulation specified, and an output capacitor of at least 1µF (2µF for loads above 1mA) is required for stability.
7 DNC unconnected Do not connect; the datasheet marks this pin DNC*, meaning it must be left unconnected.
8 DNC unconnected Do not connect; the datasheet marks this pin DNC*, meaning it must be left unconnected.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package SOIC-8
Category Power Management ICs
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
Output Voltage initial accuracy VOUT -0.08 0.08 % LT1461CIS8, TA = 25°C 3
Output Voltage Temperature Coefficient 5 12 ppm/°C Industrial grade, -40°C to 85°C (l denotes over temperature range) 3
Line Regulation 2 8 ppm/V (VOUT + 0.5V) ≤ VIN ≤ 20V 4
Load Regulation Sourcing 12 30 ppm/mA VIN = VOUT + 2.5V, 0 ≤ IOUT ≤ 50mA 4
Dropout Voltage VIN, VOUT 0.06 0.3 V VOUT Error = 0.1%, IOUT = 0mA 4
Dropout Voltage VIN, VOUT 0.13 0.4 V VOUT Error = 0.1%, IOUT = 1mA 4
Dropout Voltage VIN, VOUT 0.2 V VOUT Error = 0.1%, IOUT = 10mA 4
Dropout Voltage VIN, VOUT 1.5 2 V VOUT Error = 0.1%, IOUT = 50mA, I and C Grades Only 4
Shutdown Pin Logic High Input Voltage 2.4 V 4
Logic High Input Current 2 15 µA Pin 3 = 2.4V 4
Shutdown Pin Logic Low Input Voltage 0.5 0.8 V 4
Logic Low Input Current 4 µA Pin 3 = 0.8V 4
Supply Current 35 50 µA No Load 4
Shutdown Current 25 35 µA RL = 1k 4
Output Current Short 100 mA VOUT to GND 4
Input Voltage absolute maximum VIN 20 V 2
Operating Temperature Range TA -40 125 °C Note 2 2
Storage Temperature Range TSTG -65 150 °C Note 3 2
Maximum Junction Temperature TJMAX 150 °C 2
Specified Temperature Range Industrial -40 85 °C Industrial grade (I suffix) 2
Thermal Resistance Junction-to-Ambient SO-8 θJA 190 °C/W Note 3 2
Output Voltage Noise 0.1Hz to 10Hz 8 ppmP-P 0.1Hz ≤ f ≤ 10Hz 4
Output Voltage Noise 10Hz to 1kHz 9.6 ppmRMS 10Hz ≤ f ≤ 1kHz 4
Long-Term Drift of Output Voltage, SO-8 Package 60 ppm/√kHr See Applications Information 4
Thermal Hysteresis 75 ppm ΔT = -40°C to 85°C 4

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
housing PC to PC board stress because of the small amount of plastic 11

CAD (KiCad official)

  • Symbol: LT1461CIS8-3.3#PBF
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: lt1461cis8-3-3-pbf-etched.step / lt1461cis8-3-3-pbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1461cis8-3-3-pbf.step / lt1461cis8-3-3-pbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (18 pp, sha256 dcc2277edeb5e99d, retrieved 2026-10-28, 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