component
PCM2912APJTR
Public Made by Adomby adom
Texas Instruments Audio Interface ICs, TQFP-32(7x7). Datasheet-verified pinout, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads on click. Unloads only if this page sits in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads on click. Unloads only if this page sits in the background.
PCB Footprint
Open full view ↗Loads on click. Unloads only if this page sits in the background.
Datasheet
Open in new tab ↗Loads on click. Unloads only if this page sits in the background.
README
markdownPCM2912APJTR
Texas Instruments · Audio Interface ICs · TQFP-32(7x7)
PCM2912APJTR from Texas Instruments, in a TQFP-32(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | BGND | power_in | Reference ground for internal band-gap circuit. |
| 2 | VBUS | power_in | USB power supply input, 4.35 to 5.25 V. |
| 3 | D- | bidirectional | USB D- differential signal, LV-TTL level. |
| 4 | D+ | bidirectional | USB D+ differential signal, LV-TTL level. |
| 5 | VDD | power_out | Digital power supply output, 3.3 V typical from internal regulator. |
| 6 | DGND | power_in | Digital ground. |
| 7 | XTO | output | Crystal oscillator output. |
| 8 | XTI | input | Crystal oscillator input, 6 MHz ±0.5% with 3.3-V CMOS level. |
| 9 | FL | passive | External low-pass filter pin for L-channel output, optional. |
| 10 | FR | passive | External low-pass filter pin for R-channel output, optional. |
| 11 | VCOM1 | power_out | Common mode voltage (VCCA/2) for ADC and DAC, requires capacitor decoupling to AGND. |
| 12 | VCOM2 | power_out | Common mode voltage (VCCA/2) for headphone amplifier, requires capacitor decoupling to AGND. |
| 13 | AGND | power_in | Analog ground. |
| 14 | NC | unconnected | Not connected. |
| 15 | VCCA | power_out | Analog power supply output, 3.3 V typical from internal regulator. |
| 16 | VIN | power_in | Microphone analog input, 0.43 to VCCA VPP centered at 0.5 VCCA. |
| 17 | MBIAS | output | Microphone bias output, 0.75 VCCA with 2 mA source current. |
| 18 | VOUTL | output | Left headphone output, 0.6 VCCA VPP at >10 kΩ or 0.55 VCCA VPP at 32 Ω load. |
| 19 | VCCL | power_out | Headphone L-channel power supply, 3.3 V typical from internal regulator. |
| 20 | HGND | power_in | Headphone amplifier ground. |
| 21 | VCCR | power_out | Headphone R-channel power supply, 3.3 V typical from internal regulator. |
| 22 | VOUTR | output | Right headphone output, 0.6 VCCA VPP at >10 kΩ or 0.55 VCCA VPP at 32 Ω load. |
| 23 | MAMP | input | Microphone amplifier gain select, 3.3-V CMOS (LOW = off, HIGH = +20 dB). |
| 24 | POWER | input | Power consumption declaration, 3.3-V CMOS (LOW = 100 mA, HIGH = 500 mA). |
| 25 | PGND | power_in | Microphone amplifier and PGA ground. |
| 26 | VCCP | power_out | PLL power supply, 3.3 V typical from internal regulator. |
| 27 | TEST1 | input | Test pin, 3.3-V CMOS level, must be set to HIGH. |
| 28 | TEST0 | input | Test pin, 3.3-V CMOS level, must be set to LOW. |
| 29 | SSPND | output | USB suspend status, 5-V tolerant open-drain (LOW = suspend, HIGH = operational). |
| 30 | MMUTE | input | Microphone mute control, 3.3-V CMOS with internal pulldown, active HIGH. |
| 31 | REC | output | Record status, 5-V tolerant open-drain (LOW = recording, FLASH = muted, HIGH = stopped). |
| 32 | PLAY | output | Playback status, 5-V tolerant open-drain (LOW = playing, FLASH = muted, HIGH = stopped). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TQFP-32(7x7) |
| Category | Interface |
| Pins | 32 |
CAD (KiCad official)
- Symbol:
PCM2912APJTR - Footprint:
Package_QFP:TQFP-32_7x7mm_P0.8mm - 3D model: TQFP-32(7x7) (KiCad packages3D, STEP)
- 3D model files:
pcm2912apjtr-etched.step/pcm2912apjtr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);pcm2912apjtr.step/pcm2912apjtr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (37 pp, sha256
61d048c255190975, retrieved 2026-09-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).