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Contents

Pinout
Key specifications
CAD (KiCad official)
Provenance

README

markdown

PCM2900CDBR

Texas Instruments · Audio Interface ICs · SSOP-28-208mil

PCM2900CDBR from Texas Instruments, in a SSOP-28-208mil. 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	D+	bidirectional	USB differential input/output plus with LV-TTL level
2	D-	bidirectional	USB differential input/output minus with LV-TTL level
3	VBUS	power_in	USB power supply input, 4.35 V to 5.25 V recommended
4	DGNDU	power_in	Digital ground for USB transceiver
5	HID0	input	HID key state input (mute) with 3.3-V CMOS-level active-high and internal pull-down
6	HID1	input	HID key state input (volume up) with 3.3-V CMOS-level active-high and internal pull-down
7	HID2	input	HID key state input (volume down) with 3.3-V CMOS-level active-high and internal pull-down
8	SEL0	input	Configuration input must be set to high, TTL Schmitt trigger, 5-V tolerant
9	SEL1	input	Configuration input must be set to high, TTL Schmitt trigger, 5-V tolerant
10	VCCCI	power_in	Analog codec power supply 3.1 V to 3.5 V with required decoupling capacitor
11	AGNDC	power_in	Analog ground for codec
12	VINL	input	ADC analog input for left channel
13	VINR	input	ADC analog input for right channel
14	VCOM	power_in	ADC/DAC common reference at VCCCI/2 with required decoupling capacitor
15	VOUTR	output	DAC analog output for right channel with 0.6 V to VCCCI peak-to-peak
16	VOUTL	output	DAC analog output for left channel with 0.6 V to VCCCI peak-to-peak
17	VCCP1I	power_in	Analog PLL power supply 3.1 V to 3.5 V with required decoupling capacitor
18	AGNDP	power_in	Analog ground for PLL
19	VCCP2I	power_in	Analog PLL power supply 3.1 V to 3.5 V with required decoupling capacitor
20	XTO	output	Crystal oscillator output
21	XTI	input	Crystal oscillator input 12 MHz with 3.3-V CMOS level
22	AGNDX	power_in	Analog ground for oscillator
23	VCCXI	power_in	Analog oscillator power supply 3.1 V to 3.5 V with required decoupling capacitor
24	TEST0	input	Test pin must be connected to GND
25	TEST1	output	Test pin must be left open
26	DGND	power_in	Digital ground
27	VDDI	power_in	Digital power supply 3.1 V to 3.5 V with required decoupling capacitor
28	SSPND	output	USB suspend flag output active-low indicating suspend or operational state

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SSOP-28-208mil
Category	Interface
Pins	28

CAD (KiCad official)

Symbol: PCM2900CDBR
Footprint: Package_SO:SSOP-28_5.3x10.2mm_P0.65mm
3D model: SSOP-28-208mil (KiCad packages3D, STEP)
3D model files: pcm2900cdbr-etched.step / pcm2900cdbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pcm2900cdbr.step / pcm2900cdbr.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (33 pp, sha256 d27d7d5baede7242, retrieved 2026-10-01, tier: lcsc)
Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (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