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ADS1243IPWR

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Texas Instruments Analog To Digital Converters (ADC), TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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docs ads1243ipwr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
viewers ads1243ipwr: viewers · Ray 4d ago
ads1243ipwr-etched.fit.json ads1243ipwr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ads1243ipwr-etched.glb ads1243ipwr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ads1243ipwr-etched.step ads1243ipwr: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 3d ago
ads1243ipwr.glb Publish 0.1.0 · Ray 4d ago
ads1243ipwr.kicad_mod Publish 0.1.0 · Ray 4d ago
ads1243ipwr.kicad_sym Publish 0.1.0 · Ray 4d ago
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README.md Initial commit: component/ads1243ipwr · Ray 4d ago

ADS1243IPWR

Texas Instruments · Analog To Digital Converters (ADC) · TSSOP-20

ADS1243IPWR from Texas Instruments, in a TSSOP-20. 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 VDD power_in Power Supply, 2.7V to 5.25V operating range
2 XIN input Clock Input, Master Clock Rate 1MHz to 5MHz
3 XOUT output Clock Output for external crystal or ceramic resonator connection
4 PDWN input Power Down Control, Active LOW, shuts down analog and digital circuits when LOW
5 VREF+ power_in Positive Differential Reference Input, reference voltage (VREF+ - VREF-) 0.1V to 5V
6 VREF- power_in Negative Differential Reference Input, reference voltage (VREF+ - VREF-) 0.1V to 5V
7 AIN0/D0 bidirectional Analog Input 0 or Digital I/O 0, input range GND+0.05V to VDD-1.5V with buffer ON
8 AIN1/D1 bidirectional Analog Input 1 or Digital I/O 1, input range GND+0.05V to VDD-1.5V with buffer ON
9 AIN4/D4 bidirectional Analog Input 4 or Digital I/O 4, input range GND+0.05V to VDD-1.5V with buffer ON
10 AIN5/D5 bidirectional Analog Input 5 or Digital I/O 5, input range GND+0.05V to VDD-1.5V with buffer ON
11 AIN6/D6 bidirectional Analog Input 6 or Digital I/O 6, input range GND+0.05V to VDD-1.5V with buffer ON
12 AIN7/D7 bidirectional Analog Input 7 or Digital I/O 7, input range GND+0.05V to VDD-1.5V with buffer ON
13 AIN2/D2 bidirectional Analog Input 2 or Digital I/O 2, input range GND+0.05V to VDD-1.5V with buffer ON
14 AIN3/D3 bidirectional Analog Input 3 or Digital I/O 3, input range GND+0.05V to VDD-1.5V with buffer ON
15 GND power_in Ground
16 CS input Chip Select, Active LOW, enables serial interface when LOW
17 DIN input Serial Data Input with Schmitt Trigger, SPI compatible
18 DOUT tri_state Serial Data Output, SPI compatible, tri-states when CS is HIGH
19 SCLK input Serial Clock with Schmitt Trigger, SPI compatible
20 DRDY output Data Ready Output, Active LOW, indicates new conversion data ready

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-20
Category Data Acquisition
Pins 20

CAD (KiCad official)

  • Symbol: ADS1243IPWR
  • Footprint: Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm
  • 3D model: TSSOP-20 (KiCad packages3D, STEP)
  • 3D model files: ads1243ipwr-etched.step / ads1243ipwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ads1243ipwr.step / ads1243ipwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 0bf7c17072b2c943, retrieved 2026-10-01, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (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