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ADC78H89CIMT

Texas Instruments · Analog To Digital Converters (ADC) · TSSOP-16

ADC78H89CIMT from Texas Instruments, in a TSSOP-16. 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	CS	input	Chip select: a conversion begins on the falling edge of CS and continues as long as CS is held low.
2	NC	unconnected	Not connected internally; this pin can be left floating or tied to ground.
3	AVDD	power_in	Positive analog supply, +2.7V to +5.25V, to be bypassed to GND with 0.1 µF ceramic and 1 µF tantalum capacitors within 1 cm of the pin.
4	GND	power_in	Ground return for both analog and digital supplies; tied internally to pin 12 and must be held at the same potential.
5	AIN1	input	Analog input, which can range from 0V to AVDD.
6	AIN2	input	Analog input, which can range from 0V to AVDD.
7	AIN3	input	Analog input, which can range from 0V to AVDD.
8	AIN4	input	Analog input, which can range from 0V to AVDD.
9	AIN5	input	Analog input, which can range from 0V to AVDD.
10	AIN6	input	Analog input, which can range from 0V to AVDD.
11	AIN7	input	Analog input, which can range from 0V to AVDD.
12	GND	power_in	Ground return for both analog and digital supplies; tied internally to pin 4 and must be held at the same potential.
13	DVDD	power_in	Positive digital supply, +2.7V to AVDD, to be bypassed to GND with a 0.1 µF ceramic capacitor within 1 cm of the pin.
14	DIN	input	Digital data input; the Control Register is loaded through this pin on rising edges of SCLK.
15	DOUT	output	Digital data output; output samples are clocked out on falling edges of SCLK.
16	SCLK	input	Digital clock input, 50 kHz to 8 MHz with ensured performance at 8 MHz, which directly controls conversion and readout.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	TSSOP-16
Category	Data Acquisition
Pins	16

CAD (KiCad official)

Symbol: ADC78H89CIMT
Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
3D model: TSSOP-16 (KiCad packages3D, STEP)
3D model files: adc78h89cimt-etched.step / adc78h89cimt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); adc78h89cimt.step / adc78h89cimt.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (26 pp, sha256 1086ead50d53818b, retrieved 2026-10-08, tier: lcsc)
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