component
PCM4222PFBR
Public Made by Adomby adom
Texas Instruments ADCs/DACs - Special Purpose, TQFP-48(7x7). 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
markdownPCM4222PFBR
Texas Instruments · ADCs/DACs - Special Purpose · TQFP-48(7x7)
PCM4222PFBR from Texas Instruments, in a TQFP-48(7x7). 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 | AGND | power_in | Analog ground; connect to the analog ground plane. |
| 2 | VINR- | input | Right channel inverting differential analog input, 2.8VPP nominal full-scale. |
| 3 | VINR+ | input | Right channel noninverting differential analog input, 2.8VPP nominal full-scale. |
| 4 | VCC1 | power_in | Analog supply, +4.0V nominal. |
| 5 | AGND | power_in | Analog ground. |
| 6 | AGND | power_in | Analog ground. |
| 7 | AGND | power_in | Analog ground. |
| 8 | AGND | power_in | Analog ground. |
| 9 | VCC2 | power_in | Analog supply, +4.0V nominal. |
| 10 | VINL- | input | Left channel inverting differential analog input, 2.8VPP nominal full-scale. |
| 11 | VINL+ | input | Left channel noninverting differential analog input, 2.8VPP nominal full-scale. |
| 12 | AGND | power_in | Analog ground. |
| 13 | VCOML | output | Left channel common-mode voltage output, (0.4875 × VCC2) nominal. |
| 14 | REFGNDL | power_in | Left channel reference ground; connect to analog ground. |
| 15 | VREFL | output | Left channel reference output for decoupling purposes only; not for biasing external circuits. |
| 16 | PCMEN | input | PCM output enable, active high. |
| 17 | HPFDR or MOD1 | bidirectional | Right channel high-pass filter disable input (active high); becomes modulator data output 1 (LSB) when MODEN is high. |
| 18 | HPFDL or MOD2 | bidirectional | Left channel high-pass filter disable input (active high); becomes modulator data output 2 when MODEN is high. |
| 19 | FS0 or MOD3 | bidirectional | PCM sampling mode selection input; becomes modulator data output 3 when MODEN is high. |
| 20 | FS1 or MOD4 | bidirectional | PCM sampling mode selection input; becomes modulator data output 4 when MODEN is high. |
| 21 | DF or MOD5 | bidirectional | Digital decimation filter response selection input; becomes modulator data output 5 when MODEN is high. |
| 22 | DSDEN or MOD6 | bidirectional | DSD output enable input (active high); becomes modulator data output 6 (MSB) when MODEN is high. |
| 23 | MODEN | input | Multi-bit modulator output enable, active high. |
| 24 | DSDMODE | input | DSD output mode/rate selection. |
| 25 | SUB1 or MCKO | bidirectional | TDM active sub-frame selection input; becomes master clock output when MODEN is high. |
| 26 | SUB0 or WCKO | bidirectional | TDM active sub-frame selection input; becomes modulator left/right word clock output when MODEN is high. |
| 27 | DSDCLK | output | DSD data clock output. |
| 28 | DSDL | output | Left channel DSD data output. |
| 29 | DSDR | output | Right channel DSD data output. |
| 30 | DGND | power_in | Digital ground. |
| 31 | VDD | power_in | Digital supply, +3.3V nominal. |
| 32 | DATA | output | PCM output data. |
| 33 | BCK | bidirectional | PCM bit or data clock. |
| 34 | LRCK | bidirectional | PCM left/right word clock. |
| 35 | MCKI | input | Master clock input. |
| 36 | RST | input | Reset and power-down input. |
| 37 | OVFL | output | Left channel overflow flag, active high. |
| 38 | OVFR | output | Right channel overflow flag, active high. |
| 39 | S/M | input | PCM output slave/master mode select. |
| 40 | DGND | power_in | Digital ground. |
| 41 | OWL1 | input | PCM output word length select (MSB). |
| 42 | OWL0 | input | PCM output word length select (LSB). |
| 43 | FMT1 | input | PCM output data format select (MSB). |
| 44 | FMT0 | input | PCM output data format select (LSB). |
| 45 | DGND | power_in | Digital ground. |
| 46 | VREFR | output | Right channel reference output for decoupling purposes only; not for biasing external circuits. |
| 47 | REFGNDR | power_in | Right channel reference ground; connect to analog ground. |
| 48 | VCOMR | output | Right channel common-mode voltage output (0.4875 × VCC1) nominal. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TQFP-48(7x7) |
| Category | Data Acquisition |
| Pins | 48 |
CAD (KiCad official)
- Symbol:
PCM4222PFBR - Footprint:
Package_QFP:TQFP-48_7x7mm_P0.5mm - 3D model: TQFP-48(7x7) (KiCad packages3D, STEP)
- 3D model files:
pcm4222pfbr-etched.step/pcm4222pfbr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pcm4222pfbr.step/pcm4222pfbr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (44 pp, sha256
aa9e1258c4fe6bc7, retrieved 2026-10-08, tier: lcsc) - 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).