PCM2912APJTR

Texas InstrumentsExtended

-25℃~+70℃ 5V 8kHz、10.025kHz、16kHz、22.05kHz、32kHz、44.1kHz、48kHz Encoder/decoder USB TQFP-32(7x7) Audio Interface ICs ROHS

Datasheet JLCPCB LCSC

Part id: ti/PCM2912APJTR
Category: Audio Interface ICs
Package: TQFP-32_7x7
Pins: 32
In stock: 2,160 at JLCPCB (C475497)
Used on: 8 open-source boards

Overview

The PCM2912APJTR is an audio Interface IC made by Texas Instruments in a TQFP-32_7x7 package with 32 pins. -25℃~+70℃ 5V 8kHz、10.025kHz、16kHz、22.05kHz、32kHz、44.1kHz、48kHz Encoder/decoder USB TQFP-32(7x7) Audio Interface ICs ROHS.

PCBKit's library has its KiCad symbol (PCM2912A:PCM2912A, from Antmicro) and its footprint (tqfp-32-7x7mm:TQFP-32_7x7mm, from Antmicro), ready for a KiCad board. 2,160 are in stock at JLCPCB (part C475497). 8 open-source boards in 8 repositories on GitHub use it.

Symbol

PCM2912A:PCM2912AFrom Antmicro

Footprint

tqfp-32-7x7mm:TQFP-32_7x7mmFrom Antmicro

From the datasheet

Supply, least: 4.35 V · VBUS, recommended operating min · p. 5
Supply, most: 5.25 V · VBUS, recommended operating max · p. 5
Supply, absolute maximum: 6.5 V · VBUS, absolute max · p. 5
Works from: -25 °C · Operating free-air temperature min · p. 5
Works up to: 70 °C · Operating free-air temperature max, recommended conditions · p. 5
Junction, hottest: 150 °C · Junction temperature absolute max · p. 5
Takes working: 85 mA · VBUS, ADC and DAC operation, RL = 32 Ω, typical · p. 8
Takes at most: 100 mA · VBUS, ADC and DAC operation, RL = 32 Ω, max · p. 8
Takes asleep: 220 µA · VBUS, USB suspend mode, typical · p. 8
Junction to air (PJT (TQFP)): 69.6 K/W · Junction-to-ambient thermal resistance · p. 5
Junction to case (PJT (TQFP)): 10.6 K/W · Junction-to-case (top) thermal resistance · p. 5
Junction to board (PJT (TQFP)): 34.6 K/W · Junction-to-board thermal resistance · p. 5
Works up to: 85 °C · Operating temperature max, PCM2912APJTR · p. 29

What it is and has

USB interface: On-chip, full-speed transceivers · p. 1
USB compliance: USB 2.0 · p. 1
USB certification: Certified by USB-IF · p. 1
USB descriptors: Partially programmable · p. 1
ADC and DAC: 16-bit delta-sigma · p. 1
Sampling rates: 8, 11.025, 16, 22.05, 32, 44.1, or 48 kHz · p. 1
Clock source: Single 6-MHz clock source · p. 1
ADC input: Mono microphone input · p. 1
DAC output: Stereo headphone output · p. 1
USB interface: On-chip · p. 1
USB transceivers: Full-speed · p. 1
Playback transfer: Adaptive isochronous · p. 1
Microphone controls: Amplifier, mute, and gain control · p. 1
Status flags: Suspend, playback, and record · p. 1
Pop/click noise: Noise-free · p. 1
Package: 32-pin TQFP · p. 1

Around it

cap not specified: between VCOM2 and AGND; Required decoupling capacitor. · p. 4
cap not specified: between VCOM1 and AGND; Required decoupling capacitor. · p. 4
cap not specified: between VDD and DGND; Decoupling capacitor to corresponding ground. · p. 4

Specifications

Parameter	Conditions	As printed	Page
Supply voltage	VBUS	min -0.3 · max 6.5 V	5
Ground voltage differences	BGND, PGND, AGND, HGND, DGND	min -0.1 · max 0.1 V	5
Input voltage	VCCP, VCCA, VCCL, VCCR, VDD	min -0.3 · max 4 V	5
Digital input voltage	PLAY, REC	min -0.3 · max 6.5 V	5
Digital input voltage	D+, D–, XTI, XTO, MMUTE, TEST0, TEST1, POWER, MAMP, SSPND	min -0.3 · max 4 V	5
Analog input voltage	MBIAS, VIN, VCOM1, VCOM2, VOUTL, VOUTR, FR, FL	min -0.3 · max 4 V	5
Input current (any pins except supplies)		min -10 · max 10 mA	5
Ambient temperature under bias		min -40 · max 125 °C	5
Junction temperature		max 150 °C	5
Storage temperature Tstg		min -55 · max 150 °C	5
Electrostatic discharge V(ESD)	Human body model (HBM), per ANSI/ESDA/JEDEC JS-001; rating ±3000 V	max 3000 V	5
Electrostatic discharge V(ESD)	Charged device model (CDM), per JEDEC specification JESD22-C101; rating ±1000 V	max 1000 V	5
Supply voltage VBUS		min 4.35 · typ 5 · max 5.25 V	5
Digital input clock frequency		min 5.997 · typ 6 · max 6.003 MHz	5
Analog output load resistance		min 32 Ω	5
Analog output load capacitance		max 100 pF	5
Digital output load capacitance		max 10 pF	5
Operating free-air temperature TA		min -25 · max 70 °C	5
Junction-to-ambient thermal resistance RθJA	PCM2912A, PJT (TQFP), 32 PINS	typ 69.6 °C/W	5
Junction-to-case (top) thermal resistance RθJC(top)	PCM2912A, PJT (TQFP), 32 PINS	typ 10.6 °C/W	5
Junction-to-board thermal resistance RθJB	PCM2912A, PJT (TQFP), 32 PINS	typ 34.6 °C/W	5
Junction-to-top characterization parameter ψJT	PCM2912A, PJT (TQFP), 32 PINS	typ 0.3 °C/W	5
Junction-to-board characterization parameter ψJB	PCM2912A, PJT (TQFP), 32 PINS	typ 33.9 °C/W	5
Input logic high level VIH		min 2 · max 3.3 VDC	6
Input logic low level VIL		max 0.8 VDC	6
Input logic high current IIH	VIN = 3.3 V; D–, D+, XTI, MAMP, POWER, TEST1, TEST0	min -10 · max 10 uA	6
Input logic high current IIH	VIN = 3.3 V; MMUTE	typ 65 · max 100 uA	6
Input logic low current IIL	VIN = 0 V; D–, D+, XTI, MAMP, POWER, TEST1, TEST0	min -10 · max 10 uA	6
Input logic low current IIL	VIN = 0 V; MMUTE	min -10 · max 10 uA	6
Output logic high level VOH	IOH = –10 mA; D–, D+	min 2.9 VDC	6
Output logic high level VOH	IOH = –2 mA; XTO, SSPND	min 2.8 VDC	6
Output logic low level VOL	IOL = 10 mA; D–, D+	max 0.3 VDC	6
Output logic low level VOL	IOL = 2 mA; XTO, SSPND	max 0.5 VDC	6
Output logic low level VOL	IOL = 8 mA; REC, PLAY	max 0.5 VDC	6
Output leak current IOH	VIN = 5 V; REC, PLAY; limit ±10 uA	max 10 uA	6
Input clock frequency, XTI		min 5.997 · typ 6 · max 6.003 MHz	6
Output current	MICROPHONE BIAS	typ 2 mA	6
Output noise	MICROPHONE BIAS; RL = 1 kΩ	typ 5 uVRMS	6
Resolution	ANALOG-TO-DIGITAL CONVERTER (ADC) CHARACTERISTICS	typ 16 Bits	6
Audio data channel	ANALOG-TO-DIGITAL CONVERTER (ADC) CHARACTERISTICS	typ 1 Channel	6
Sampling frequency	ADC; discrete supported frequency	typ 11.025 kHz	6
Sampling frequency	ADC; discrete supported frequency	typ 16 kHz	6
Sampling frequency	ADC; discrete supported frequency	typ 22.05 kHz	6
Sampling frequency	ADC; discrete supported frequency	typ 32 kHz	6
Sampling frequency	ADC; discrete supported frequency	typ 44.1 kHz	6
Sampling frequency	ADC; discrete supported frequency	typ 48 kHz	6
Total harmonic distortion plus noise THD+N	ADC DYNAMIC PERFORMANCE; VIN = –1 dB of 0.43 VCCA	typ 0.01 · max 0.02 %	6
Dynamic range	ADC DYNAMIC PERFORMANCE; A-weighted	min 82 · typ 90 dB	6
Signal-to-noise ratio SNR	ADC DYNAMIC PERFORMANCE; A-weighted	min 84 · typ 92 dB	6
Gain error	ADC DC ACCURACY; typical ±2, maximum ±10	typ 2 · max 10 % of FSR	6
Bipolar zero error	ADC DC ACCURACY; typical ±0	typ 0 % of FSR	6
Antialiasing filter frequency response	–3 dB	typ 150 kHz	6
Antialiasing filter frequency response	fIN = 20 kHz	typ -0.08 dB	6
Gain range	SIDETONE PROGRAMMABLE ATTENUATOR	min -76 · max 0 dB	8
Gain step size	SIDETONE PROGRAMMABLE ATTENUATOR	typ 1 dB	8
Gain range	OUTPUT PROGRAMMABLE ATTENUATOR	min -76 · max 0 dB	8
Gain step size	OUTPUT PROGRAMMABLE ATTENUATOR	typ 1 dB	8
Total harmonic distortion plus noise THD+N	ANALOG LOOPBACK PERFORMANCE; RL > 10 kΩ, VIN = 0 dB of 0.43 VCCA; MIC Amp = 0 dB, Sidetone attenuator = 0 dB, Output attenuator = 0 dB	typ 0.01 · max 0.02 %	8
Total harmonic distortion plus noise THD+N	ANALOG LOOPBACK PERFORMANCE; RL = 32 Ω, VIN = 0 dB of 0.43 VCCA; MIC Amp = 0 dB, Sidetone attenuator = 0 dB, Output attenuator = 0 dB	typ 0.02 · max 0.05 %	8
Dynamic range	ANALOG LOOPBACK PERFORMANCE; EIAJ, A-weighted	min 82 · typ 90 dB	8
Signal-to-noise ratio SNR	ANALOG LOOPBACK PERFORMANCE; EIAJ, A-weighted	min 84 · typ 92 dB	8
Passband ripple	DAC DIGITAL FILTER PERFORMANCE; maximum ±0.1	max 0.1 dB	8
Stop-band attenuation	DAC DIGITAL FILTER PERFORMANCE	min -43 dB	8
Voltage range VBUS	Bus-powered	min 4.35 · typ 5 · max 5.25 VDC	8
Supply current	ADC, DAC operation (RL = 32 Ω)	typ 85 · max 100 mA	8
Supply current	Suspend mode; under USB suspend state	typ 220 · max 300 uA	8
Power dissipation	ADC, DAC Operation	typ 425 · max 500 mW	8
Power dissipation	Suspend mode; under USB suspend state	typ 0.8 · max 1 mW	8
Internally-generated power supply voltage VCCP,VCCL,VCCR,VCCA,VDD	Pins 5, 15, 19, 21, 26: VDD, VCCA, VCCL, VCCR, VCCP	min 3 · typ 3.3 · max 3.6 VDC	8
Operation temperature		min -25 · max 85 °C	8

Pins, by the datasheet

1 BGND: Reference for internal regulator. · p. 3
2 VBUS: Connect to USB power (VBUS). · p. 4
3 D–: USB differential input/output minus; LV-TTL level. · p. 3
4 D+: USB differential input/output plus; LV-TTL level. · p. 3
5 VDD: Internally generated digital power supply; connect decoupling capacitor to corresponding ground. · p. 4
6 DGND: Digital ground. · p. 3
7 XTO: Crystal oscillator output. · p. 4
8 XTI: Crystal oscillator input; 3.3-V CMOS level input. · p. 4
9 FL: External filter pin of L-channel (optional). · p. 3
10 FR: External filter pin of R-channel (optional). · p. 3
11 VCOM1: Common voltage for ADC, DAC, and analog front-end (VCCA/2); connect decoupling capacitor to AGND. · p. 4
12 VCOM2: Common voltage for headphone (VCCA/2); connect decoupling capacitor to AGND. · p. 4
13 AGND: Analog ground. · p. 3
14 NC: Not connected. · p. 3
15 VCCA: Internally generated analog power supply. · p. 4
16 VIN: ADC microphone input. · p. 4
17 MBIAS: Microphone bias output (0.75 VCCA). · p. 3
18 VOUTL: Headphone output for L-channel. · p. 4
19 VCCL: Internally generated analog power supply for headphone amplifier of L-channel; connect decoupling capacitor to corresponding ground. · p. 4
20 HGND: Analog ground for headphone amplifier. · p. 3
21 VCCR: Internally generated analog power supply for headphone amplifier of R-channel; connect decoupling capacitor to corresponding ground. · p. 4
22 VOUTR: Headphone output for R-channel. · p. 4
23 MAMP: Microphone preamplifier gain control: LOW off, HIGH on at +20 dB; 3.3-V CMOS input. · p. 3
24 POWER: Power consumption declaration select: LOW 100 mA, HIGH 500 mA; 3.3-V CMOS input. · p. 4
25 PGND: Analog ground for microphone bias, microphone amplifier, and PGA. · p. 4
26 VCCP: Internally generated analog power supply for PLL; connect decoupling capacitor to corresponding ground. · p. 4
27 TEST1: Test pin; must be set to HIGH; 3.3-V CMOS input. · p. 4
28 TEST0: Test pin; must be set to LOW; 3.3-V CMOS input. · p. 4
29 SSPND: Suspend flag: LOW suspend, HIGH operational state. · p. 4
30 MMUTE: Microphone mute control: LOW mute off, HIGH mute on; 3.3-V CMOS input with internal pulldown resistor. · p. 3
31 REC: Record status: LOW record, FLASH mute on record, HIGH stop; 5-V tolerant. · p. 4
32 PLAY: Playback status: LOW playback, FLASH mute on playback, HIGH stop; 5-V tolerant. · p. 4

Ordering codes, by the datasheet

PCM2912APJT: TQFP (PJT) · 32 pins; 250 units, JEDEC tray (10+1) · p. 29
PCM2912APJT.B: TQFP (PJT) · 32 pins; 250 units, JEDEC tray (10+1) · p. 29
PCM2912APJTR: TQFP (PJT) · 32 pins; 1000 units, LARGE T&R · p. 29
PCM2912APJTR.B: TQFP (PJT) · 32 pins; 1000 units, LARGE T&R · p. 29
PCM2912APJTRG4: TQFP (PJT) · 32 pins; 1000 units, LARGE T&R · p. 29
PCM2912APJTRG4.B: TQFP (PJT) · 32 pins; 1000 units, LARGE T&R · p. 29

Parameters

Current - Supply: 85mA
Current - Supply(Max): 100mA
Features: Built-in phase-locked loop
Interface: USB
Junction Temperature(Max): 150℃
Operating Temperature: -25℃~+85℃
Sampling Rate: 32kHz
Standby Current: 220uA
Thermal Resistance(Junction to Ambient): 69.6℃/W
Thermal Resistance(Junction to Board): 34.6℃/W
Thermal Resistance(Junction to Case): 10.6℃/W
Type: Encoder/decoder
Voltage - Supply: 4.35V~5.25V
Voltage - Supply(Absolute Max): 6.5V

Order codes

PCM2912APJTRLCSC C22448164
PCM2912APJTRLCSC C475497

Pinout

The pins of the PCM2912APJTR
Pin	Name	Type
1	BGND	Power in
2	VBUS	Power in
3	D-	Passive
4	D+	Passive
5	VDD	Power in
6	DGND	Power in
7	XTO	Passive
8	XTI	Passive
9	FL	Passive
10	FR	Passive
11	VCOM1	Passive
12	VCOM2	Passive
13	AGND	Power in
14	NC	Not connected
15	VCCA	Passive
16	VIN	Passive
17	MBIAS	Passive
18	VOUTL	Passive
19	VCCL	Passive
20	HGND	Power in
21	VCCR	Passive
22	VOUTR	Passive
23	MAMP	Passive
24	POWER	Passive
25	PGND	Power in
26	VCCP	Power in
27	TEST1	Passive
28	TEST0	Passive
29	SSPND	Passive
30	MMUTE	Passive
31	REC	Passive
32	PLAY	Passive

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Questions

Is there a KiCad symbol and footprint for the PCM2912APJTR?

Yes. The symbol is PCM2912A:PCM2912A and the footprint tqfp-32-7x7mm:TQFP-32_7x7mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the PCM2912APJTR?

TQFP-32_7x7, with 32 pins. Its footprint is drawn on this page.

Where is the PCM2912APJTR datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the PCM2912APJTR?

JLCPCB lists it as part C475497, with 2,160 in stock; the sellers' links on this page open their listings.

Which open-source boards use the PCM2912APJTR?

8 boards in 8 repositories on GitHub; the most starred are listed on this page, with their KiCad files.