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BUF16821AIPWPRQ1
Public Made by Adomby adom
Texas Instruments Video Amplifiers, HTSSOP-28-EP. 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
markdownBUF16821AIPWPRQ1
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);buf16821aipwprq1.step/buf16821aipwprq1.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).