component
ADS7958SRGER
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), VQFN-24-EP(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownADS7958SRGER
Texas Instruments · Analog To Digital Converters (ADC) · VQFN-24-EP(4x4)
ADS7958SRGER 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 (2.7V to 5.25V required for ADC operation) |
| 2 | AGND | power_in | Analog ground reference for all analog circuits and input channels |
| 3 | MXO | output | Multiplexer output; analog channel output before ADC input AINP |
| 4 | AINP | input | ADC positive input signal (0 to VREF for Range 1 or 0 to 2×VREF for Range 2) |
| 5 | AINM | input | ADC negative input and reference ground for the analog-to-digital converter |
| 6 | NC | unconnected | No internal connection; must connect to ground to avoid floating pins |
| 7 | NC | unconnected | No internal connection; must connect to ground to avoid floating pins |
| 8 | Ch3 | input | Analog multiplexer channel 3 input for 4-channel operation |
| 9 | Ch2 | input | Analog multiplexer channel 2 input for 4-channel operation |
| 10 | Ch1 | input | Analog multiplexer channel 1 input for 4-channel operation |
| 11 | Ch0 | input | Analog multiplexer channel 0 input for 4-channel operation |
| 12 | NC | unconnected | No internal connection; must connect to ground to avoid floating pins |
| 13 | NC | unconnected | No internal connection; must connect to ground to avoid floating pins |
| 14 | +VA | power_in | Analog power supply (2.7V to 5.25V required for ADC operation) |
| 15 | AGND | power_in | Analog ground reference for all analog circuits and input channels |
| 16 | CS | input | Chip-select input pin active low; falling edge initiates conversion and sampling |
| 17 | SCLK | input | Serial clock input pin for SPI interface (up to 20 MHz frequency) |
| 18 | SDI | input | Serial data input pin for SPI interface (command and configuration data) |
| 19 | SDO | output | Serial data output pin for SPI interface (8-bit conversion result with 4-bit address) |
| 20 | BDGND | power_in | Digital ground reference for all digital I/O and logic circuits |
| 21 | +VBD | power_in | Digital I/O supply voltage (1.7V to 5.25V); must be ≤ +VA |
| 22 | GPIO0 | bidirectional | Programmable general-purpose I/O; configurable as input/output or alarm output |
| 23 | REFM | input | External reference voltage ground; connect to analog ground via 10µF capacitor to REFP |
| 24 | REFP | input | External reference voltage input (2.0V to 3.0V typical 2.5V) with 10µF ceramic capacitor to REFM |
| 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 |
CAD (KiCad official)
- Symbol:
ADS7958SRGER - Footprint:
Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm - 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)
- 3D model files:
ads7958srger-etched.step/ads7958srger-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads7958srger.step/ads7958srger.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (87 pp, sha256
8ef9ce324ee60500, retrieved 2026-09-27, 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 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).