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ADS7951SRGER

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Texas Instruments Analog To Digital Converters (ADC), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentdata acquisitionads7951srgerfactory-2.0.0extractor-text

Verified ADS7951SRGER

by Ray · last 5 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

5 Nov 2026RayPublished by the parts factory: tier mfr, 25 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: ADS7951SRGER · VQFN-24-EP(4x4) · 25 pins
  • ✓copper: 25 copper pads, none touching another net
  • ✓datasheet: all 25 pin names found in the 87-page datasheet
  • ✓distributor: lcsc C2670352, digikey 296-38045-2-ND, mouser 595-ADS7951SRGER
  • ✓family: QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-dybdsvaw/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 25 pins = 25 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 25 pins agree
  • ✓symbol_text: no pin names collide
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ ads7951srger.kicad_sym✓ ads7951srger.kicad_mod✓ ads7951srger.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 5d ago
viewers ads7951srger: viewers · Ray 5d ago
ads7951srger-etched.glb Publish 0.1.0 · Ray 5d ago
ads7951srger-etched.step ads7951srger: factory component page (tier=mfr) · Ray 5d ago
ads7951srger-hero.glb ads7951srger: hero GLB from the etched model (keeps the MPN mark) · Ray 5d ago
ads7951srger-hero.overlay.json Publish 0.1.0 · Ray 5d ago
ads7951srger.glb Publish 0.1.0 · Ray 5d ago
ads7951srger.kicad_mod Publish 0.1.0 · Ray 5d ago
ads7951srger.kicad_sym Publish 0.1.0 · Ray 5d ago
ads7951srger.lbr Publish 0.1.0 · Ray 5d ago
ads7951srger.step Publish 0.1.0 · Ray 5d ago
package.json Publish 0.1.0 · Ray 5d ago
page.json Set visibility: public · Ray 5d ago
README.md Publish 0.1.0 · Ray 5d ago
verification.json Verified: Published by the parts factory: tier mfr, 25 pins · Ray 5d ago

ADS7951SRGER

Texas Instruments · Analog To Digital Converters (ADC) · VQFN-24-EP(4x4)

ADS7951SRGER from Texas Instruments, in a VQFN-24-EP(4x4). 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 +VA power_in Analog power supply; the analog supply range is 2.7 V to 5.25 V.
2 AGND power_in Analog ground.
3 MXO output Multiplexer output.
4 AINP input ADC input signal.
5 AINM input ADC input ground.
6 CH7 input Analog-input channel for the multiplexer.
7 CH6 input Analog-input channel for the multiplexer.
8 CH5 input Analog-input channel for the multiplexer.
9 CH4 input Analog-input channel for the multiplexer.
10 CH3 input Analog-input channel for the multiplexer.
11 CH2 input Analog-input channel for the multiplexer.
12 CH1 input Analog-input channel for the multiplexer.
13 CH0 input Analog-input channel for the multiplexer.
14 +VA power_in Analog power supply; the analog supply range is 2.7 V to 5.25 V.
15 AGND power_in Analog ground.
16 CS input Chip-select input pin; active low.
17 SCLK input Serial clock input pin.
18 SDI input Serial data input pin.
19 SDO output Serial data output pin.
20 BDGND power_in Digital ground.
21 +VBD power_in Digital I/O supply.
22 GPIO0 bidirectional General-purpose input or output; can be configured as the active-high alarm output.
23 REFM input Reference ground.
24 REFP input Reference input.
25 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-24-EP(4x4)
Category Data Acquisition
Pins 25

Electrical characteristics

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

Parameter Symbol Min Typ Max Unit Conditions Page
Analog power-supply voltage V(+VA) 2.7 3.3 5.25 V 10
Digital I/O-supply voltage V(+VBD) 1.7 3.3 V 10
Reference voltage V(REF) 2 2.5 3 V 10
SCLK frequency f(SCLK) 20 MHz 10
Operating temperature range TA -40 125 °C 10
+VA to AGND, +VBD to BDGND -0.3 7 V 10
Digital input voltage to BDGND -0.3 7 V 10
Input current to any pin except supply pins -10 10 mA 10
Operating temperature -40 125 °C 10
Junction temperature (TJ Max) TJ 150 °C 10
Storage temperature (Tstg) Tstg -65 150 °C 10
Junction-to-ambient thermal resistance (RGE 24-pin) RθJA 36.9 °C/W 11
Junction-to-case (top) thermal resistance (RGE 24-pin) RθJC(top) 39.3 °C/W 11
Junction-to-board thermal resistance (RGE 24-pin) RθJB 14.7 °C/W 11
Junction-to-top characterization parameter (RGE 24-pin) ψJT 0.7 °C/W 11
Junction-to-board characterization parameter (RGE 24-pin) ψJB 14.8 °C/W 11
Junction-to-case (bottom) thermal resistance (RGE 24-pin) RθJC(bot) 5.6 °C/W 11
Full-scale input span Range 1 0 V Range 1 12
Input capacitance 15 pF 12
Input leakage current 61 nA TA = 125°C 12
Integral linearity (ADS795XSB) -1 0.5 1 LSB ADS795XSB 12
Integral linearity (ADS795XS) -1.5 0.75 1.5 LSB ADS795XS 12
Differential linearity (ADS795XSB) -0.99 0.5 1 LSB ADS795XSB 12
Differential linearity (ADS795XS) -2 0.75 1.5 LSB ADS795XS 12
Offset error -3.5 1.1 3.5 LSB 12
Gain error Range 1 -2 0.2 2 LSB Range 1 12
Total unadjusted error (TUE) -2 2 LSB 12
Signal-to-noise ratio (ADS795XSB) SNR 70 71.7 dB 100 kHz, ADS795XSB 13
Signal-to-noise ratio (ADS795XS) SNR 70 71.7 dB 100 kHz, ADS795XS 13
Signal-to-noise + distortion (ADS795XSB) SINAD 69 71.3 dB 100 kHz, ADS795XSB 13
Signal-to-noise + distortion (ADS795XS) SINAD 68 71.3 dB 100 kHz, ADS795XS 13
Total harmonic distortion THD -82 dB 100 kHz 13
Reference voltage at REFP VREF 2 2.5 3 V 13
Reference input resistance 100 kΩ At fsample = 1 MHz 13
High threshold range 0 4092 LSB 13
Low threshold range 0 4092 LSB 13
Low-level input voltage VIL VIL 0.8 V +VBD = 5 V 13
Low-level input voltage VIL VIL 0.4 V +VBD = 3 V 13
Low-level output voltage VOL VOL 0.4 V At Isink = 200 μA 13
+VA supply voltage +VA 2.7 3.3 5.25 V 13
+VBD supply voltage +VBD 1.7 3.3 5.25 V 13
Supply current (normal mode) at +VA = 4.7 to 5.25 V and 1 MHz throughput IA 2.3 3 mA At +VA = 4.7 to 5.25 V and 1 MHz throughput 13
Supply current (normal mode) at +VA = 4.7 to 5.25 V static state IA 1.1 1.5 mA At +VA = 4.7 to 5.25 V static state 13

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
contacts copper • A copper fill area underneath the device ties the AGND, BDGND, AINM, and REFM pins together. This 52

CAD (KiCad official)

  • Symbol: ADS7951SRGER
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: ads7951srger-etched.step / ads7951srger-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads7951srger.step / ads7951srger.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (87 pp, sha256 e7922065e4d1691d, retrieved 2026-11-05, 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