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BUF16821AIPWPRQ1

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Texas Instruments Video Amplifiers, HTSSOP-28-EP. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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BUF16821AIPWPRQ1

Texas Instruments · Video Amplifiers · HTSSOP-28-EP

BUF16821AIPWPRQ1 from Texas Instruments, in a HTSSOP-28-EP. 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 VCOM2 output VCOM channel 2 output; the datasheet's absolute maximum for output pins is (V-) - 0.5 V to (V+) + 0.5 V.
2 OUT1 output DAC gamma output 1; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
3 OUT2 output DAC gamma output 2; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
4 OUT3 output DAC gamma output 3; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
5 OUT4 output DAC gamma output 4; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
6 OUT5 output DAC gamma output 5; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
7 OUT6 output DAC gamma output 6; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
8 GNDA power_in Analog ground; must be connected to digital ground (GNDD).
9 VS power_in Analog supply; recommended operating range is 9.0 V to 20.0 V (nominal 18.0 V), with a 22 V absolute maximum.
10 OUT7 output DAC gamma output 7; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
11 OUT8 output DAC gamma output 8; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
12 OUT9 output DAC gamma output 9; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
13 VSD power_in Digital supply; recommended operating range is 2.0 V to 5.5 V (typical 3.3 V), with a 6 V absolute maximum.
14 SCL input I2C serial clock input; open-drain, connect to a pull-up resistor. Absolute maximum digital input voltage is -0.5 V to 6 V and current is limited to ±10 mA.
15 SDA bidirectional I2C serial data I/O; open-drain, connect to a pull-up resistor. Absolute maximum digital I/O voltage is -0.5 V to 6 V and current is limited to ±10 mA.
16 A0 input I2C address select pin; connect to logic 1 or logic 0 as specified in Table 2 of the datasheet. Absolute maximum digital input voltage is -0.5 V to 6 V.
17 BKSEL input Memory bank select; logic 1 selects bank 1 and logic 0 selects bank 0. Absolute maximum digital input voltage is -0.5 V to 6 V.
18 GNDD power_in Digital ground; must be connected to analog ground at the BUF16821-Q1.
19 OUT10 output DAC gamma output 10; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
20 OUT11 output DAC gamma output 11; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
21 OUT12 output DAC gamma output 12; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
22 OUT13 output DAC gamma output 13; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
23 VS power_in Analog supply; recommended operating range is 9.0 V to 20.0 V (nominal 18.0 V), with a 22 V absolute maximum.
24 GNDA power_in Analog ground; must be connected to digital ground (GNDD).
25 OUT14 output DAC gamma output 14; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
26 OUT15 output DAC gamma output 15; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
27 OUT16 output DAC gamma output 16; the output pins are limited to (V-) - 0.5 V to (V+) + 0.5 V absolute maximum.
28 VCOM1 output VCOM channel 1 output; the datasheet's absolute maximum for output pins is (V-) - 0.5 V to (V+) + 0.5 V.
29 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package HTSSOP-28-EP
Category Amplifiers/Comparators
Pins 29

CAD (KiCad official)

  • Symbol: BUF16821AIPWPRQ1
  • Footprint: Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm
  • 3D model: HTSSOP-28-EP (KiCad packages3D, STEP)
  • 3D model files: buf16821aipwprq1-etched.step / buf16821aipwprq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); buf16821aipwprq1.step / buf16821aipwprq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (37 pp, sha256 41ec36973c5f1336, retrieved 2026-10-08, 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 0.3, 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