Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsPCM2901E

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FEATURES

APPLICATIONS

DESCRIPTION

PCM2901

PCM2903

SLES034C – MARCH 2002 – REVISED NOVEMBER 2007

STEREO AUDIO CODEC WITH USB INTERFACE,

SINGLE-ENDED ANALOG INPUT/OUTPUT AND S/PDIF

234

• PCM2901: Without S/PDIF • Stereo DAC

• PCM2903: With S/PDIF – Analog Performance at V

CCC

= V

CCP1

= V

CCP2

= V

CCX

= V

= 3.3 V

• On-Chip USB Interface

– THD+N = 0.005%

– With Full-Speed Transceivers

– SNR = 96 dB

– Fully Compliant With USB 1.1 Specification

– Dynamic Range = 93 dB

– Certified by USB-IF

– Oversampling Digital Filter

– Partially Programmable Descriptors

(1)

– Pass-Band Ripple = ± 0.1 dB

– USB Adaptive Mode for Playback

– Stop-Band Attenuation = – 43 dB

– USB Asynchronous Mode for Record

– Single-Ended Voltage Output

– Self-Powered

– Analog LPF Included

• 16-Bit Delta-Sigma ADC and DAC

• Multifunctions

• Sampling Rates

– Human Interface Device (HID) Volume ±

– DAC: 32, 44.1, 48 kHz

Control and Mute Control

– ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz

– Suspend Flag

• On-Chip Clock Generator With Single 12-MHz

• Package: 28-Pin SSOP

Clock Source

• Single Power Supply: 3.3 V Typical

• Stereo ADC

• USB Audio Speaker

– Analog Performance at V

CCC

= V

CCP1

= V

CCP2

• USB Headset

= V

CCX

= V

= 3.3 V

• USB Monitor

– THD+N = 0.01%

• USB Audio Interface Box

– SNR = 89 dB

– Dynamic Range = 89 dB

– Decimation Digital Filter

The PCM2901/2903 is TI's single-chip USB stereo

– Pass-Band Ripple = ± 0.05 dB audio codec with USB-compliant full-speed protocol

controller and S/PDIF (only PCM2903). The USB

– Stop-Band Attenuation = – 65 dB

protocol controller works with no software code, but

– Single-Ended Voltage Input

the USB descriptors can be modified in some areas

– Antialiasing Filter Included

(for example, vendor ID/product ID). The

PCM2901/2903 employs SpAct™ architecture, TI's

– Digital LCF Included

unique system that recovers the audio clock from

USB packet data. On-chip analog PLLs with SpAct

enable playback and record with low clock jitter and

with independent playback and record sampling

(1) The descriptor can be modified by changing a mask. rates.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2 SpAct is a trademark of Texas Instruments.

3 System Two, Audio Precision are trademarks of Audio Precision, Inc.

4 All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

Summary of content (37 pages)

PAGE 1
PCM2901 PCM2903 SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 STEREO AUDIO CODEC WITH USB INTERFACE, SINGLE-ENDED ANALOG INPUT/OUTPUT AND S/PDIF FEATURES 1 • PCM2901: Without S/PDIF • PCM2903: With S/PDIF • On-Chip USB Interface – With Full-Speed Transceivers – Fully Compliant With USB 1.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 ELECTRICAL CHARACTERISTICS all specifications at TA = 25°C, VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DIGITAL INPUT/OUTPUT Host interface Apply USB Revision 1.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 ELECTRICAL CHARACTERISTICS All specifications at TA = 25°C, VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ADC CHARACTERISTICS Resolution Audio data channel 8, 16 bits 1, 2 channel Clock Frequency fS Sampling frequencies 8, 11.025, 16, 22.05, 32, 44.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 ELECTRICAL CHARACTERISTICS all specifications at TA = 25°C, VCCC = VCCP1 = VCCP2 = VCCX = VDD = 3.3 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DAC CHARACTERISTICS Resolution Audio data channel 8, 16 bits 1, 2 channel Clock Frequency fS Sampling frequencies 32, 44.
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PCM2901 PCM2903 www.ti.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 PCM2901 TERMINAL FUNCTIONS TERMINAL NAME NO.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 PCM2903 TERMINAL FUNCTIONS TERMINAL NAME NO.
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PCM2901 PCM2903 www.ti.
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PCM2901 PCM2903 www.ti.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 PCM2901/2903 BLOCK DIAGRAM OF ANALOG FRONT-END (RIGHT CHANNEL) 4.7 mF + VINR 30 kW – 13 – (+) + + (–) Delta-Sigma Modulator VCOM 14 (VCCC/2) + 10 mF Reference S0011-07 TYPICAL CHARACTERISTICS All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted. ADC TOTAL HARMONIC DISTORTION + NOISE at –0.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 TYPICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted. TOTAL HARMONIC DISTORTION + NOISE at –0.5 dB vs SUPPLY VOLTAGE DYNAMIC RANGE and SNR vs SUPPLY VOLTAGE 95 0.009 Dynamic Range and SNR − dB THD+N − Total Harmonic Distortion + Noise − % 0.010 0.008 0.007 0.006 0.005 91 Dynamic Range 89 SNR 87 0.004 0.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 TYPICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted. DAC TOTAL HARMONIC DISTORTION + NOISE at 0 dB vs FREE-AIR TEMPERATURE DYNAMIC RANGE and SNR vs FREE-AIR TEMPERATURE 98 97 0.007 Dynamic Range and SNR − dB THD+N − Total Harmonic Distortion + Noise − % 0.008 0.006 0.005 0.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 TYPICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted. TOTAL HARMONIC DISTORTION + NOISE at 0 dB vs SAMPLING FREQUENCY DYNAMIC RANGE and SNR vs SAMPLING FREQUENCY 98 97 0.007 Dynamic Range and SNR − dB THD+N − Total Harmonic Distortion + Noise − % 0.008 0.006 0.005 0.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 TYPICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted.
PAGE 16
PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 TYPICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted. ADC DIGITAL DECIMATION FILTER FREQUENCY RESPONSE OVERALL CHARACTERISTICS STOP-BAND ATTENUATION 0 0 −10 −20 −20 −40 Amplitude − dB Amplitude − dB −30 −60 −80 −100 −40 −50 −60 −70 −120 −80 −140 −90 −100 0.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 TYPICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted. ADC DIGITAL HIGH-PASS FILTER FREQUENCY RESPONSE STOP-BAND CHARACTERISTICS PASS-BAND CHARACTERISTICS 0.0 0 −10 −0.2 −20 Amplitude − dB Amplitude − dB −30 −40 −50 −60 −0.4 −0.6 −70 −0.8 −80 −90 −100 0.0 −1.0 0.1 0.2 0.3 Frequency [y fS/1000] 0.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 TYPICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted. DAC DIGITAL INTERPOLATION FILTER FREQUENCY RESPONSE STOP-BAND ATTENUATION PASS-BAND RIPPLE 0 0.2 −10 −20 0.0 Amplitude − dB Amplitude − dB −30 −40 −50 −60 −0.2 −0.4 −70 −80 −0.6 −90 −100 0 1 2 3 −0.8 0.0 4 Frequency [y fS] 0.1 0.2 0.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 TYPICAL CHARACTERISTICS (continued) All specifications at TA = 25°C, VDD = VCCC = VCCP1 = VCCP2 = VCCx = 3.3 V, fs = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted. DAC ANALOG FIR FILTER FREQUENCY RESPONSE PASS-BAND CHARACTERISTICS 0 0.2 −10 0.0 Amplitude − dB Amplitude − dB STOP-BAND CHARACTERISTICS −20 −30 −40 −0.2 −0.4 −0.6 −50 0 8 16 24 Frequency [y fS] −0.8 0.0 32 0.1 0.2 0.3 0.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 DETAILED DESCRIPTION USB INTERFACE Control data and audio data are transferred to the PCM2901/2903 via D+ (pin 1) and D– (pin 2). All data to/from the PCM2901/2903 is transferred at full speed. The device descriprtor contains the information described in Table 1. The device descriptor can be modified on request; contact a Texas Instruments representative for details. Table 1. Device Descriptor USB revision 1.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 DEVICE CONFIGURATON Figure 34 illustrates the USB audio function topology. The PCM2901/2903 has four interfaces. Each interface is constructed by alternative settings.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 Interface #0 Interface #0 is defined as the control interface. Alternative setting #0 is the only possible setting for interface #0. Alternative setting #0 describes the standard audio control interface. A terminal constructs the audio control interface. The PCM2901/2903 has the following five terminals.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 Interface #2 Interface #2 is defined as the audio streaming data-in interface. Interface #2 has the following 19 alternative settings. Alternative setting #0 is the zero-bandwidth setting. All other alternative settings are operational settings.
PAGE 24
PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 Clock and Reset The PCM2901/2903 requires a 12-MHz (±500 ppm) clock for the USB and audio function, which can be generated by a built-in crystal oscillator with a 12-MHz crystal resonator or supplied by an external clock.
PAGE 25
PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 3.3 V (Typ) VDD (Pin 27) 2.5 V (Typ) 0V 5 V = VBUS (Typ) SEL1 (Pin 9) Bus Reset st 1 Audio Data Set Configuration 2 nd Audio Data Bus Idle D+/D– SOF SOF SOF SSPND BPZ VOUTL VOUTR 700 ms Device Setup 1 ms Internal Reset Ready for Setup Ready for Playback Attach (Connect to USB Bus) T0055-03 Figure 35.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 3.3 V (Typ) VDD (Pin 27) 2.5 V (Typ) 0V 5 V = VBUS (Typ) SEL1 (Pin 9) Bus Reset st 1 Audio Data Set Configuration 2 nd Audio Data Bus Idle D+/D– SOF SOF SOF SSPND BPZ VOUTL VOUTR 700 ms Device Setup 1 ms Internal Reset Ready for Setup Ready for Playback T0273-01 Figure 36.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 5 V = VBUS (Typ) SEL1 (Pin 9) Audio Data Audio Data Last Audio Data D+/D– SOF SOF SOF SOF SOF VOUTL VOUTR Detach 1 ms T0056-03 Figure 37. Play, Stop, and Detach Audio Data SET_INTERFACE IN Token Audio Data IN Token Audio Data IN Token D+/D– SOF SOF SOF SOF SOF VINL VINR 1 ms T0259-01 Figure 38. Record Sequence Idle D+/D– SSPND Active Suspend 5 ms Active T0057-02 Figure 39.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 PCM2901 TYPICAL CIRCUIT CONNECTION Figure 40 illustrates a typical circuit connection for a simple application. The circuit illustrated is for information only. The whole board design should be considered to meet the USB specification as a USB-compliant product. VDD (3.3 V) VCC (3.3 V) 1.5 kW ´ 3 IC1 PCM2901 1.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 PCM2903 TYPICAL CIRCUIT CONNECTION Figure 41 illustrates a typical circuit connection for a simple application. The circuit illustrated is for information only. The whole board design should be considered to meet the USB specification as a USB-compliant product. VDD (3.3 V) VCC (3.3 V) 1.5 kW ´ 3 IC1 PCM2903 1.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 APPENDIX Operating Environment For current information on the PCM2901/2903 operating environment, see the Updated Operating Environments for PCM270X, PCM290X Applications application report, SLAA374.
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PCM2901 PCM2903 www.ti.com SLES034C – MARCH 2002 – REVISED NOVEMBER 2007 REVISION HISTORY Changes from Revision B (March 2002) to Revision C .................................................................................................. Page • Deleted operating environment information from data sheet and added reference to application report ...........................
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PACKAGE OPTION ADDENDUM www.ti.
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PACKAGE OPTION ADDENDUM www.ti.com 20-Aug-2011 In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.
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PACKAGE MATERIALS INFORMATION www.ti.com 29-Jul-2011 TAPE AND REEL INFORMATION *All dimensions are nominal Device PCM2901E/2K Package Package Pins Type Drawing SSOP DB 28 SPQ Reel Reel A0 Diameter Width (mm) (mm) W1 (mm) 2000 330.0 17.4 Pack Materials-Page 1 8.5 B0 (mm) K0 (mm) P1 (mm) W Pin1 (mm) Quadrant 10.8 2.4 12.0 16.
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PACKAGE MATERIALS INFORMATION www.ti.com 29-Jul-2011 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) PCM2901E/2K SSOP DB 28 2000 336.6 336.6 28.
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MECHANICAL DATA MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001 DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE 28 PINS SHOWN 0,38 0,22 0,65 28 0,15 M 15 0,25 0,09 8,20 7,40 5,60 5,00 Gage Plane 1 14 0,25 A 0°–ā8° 0,95 0,55 Seating Plane 2,00 MAX 0,10 0,05 MIN PINS ** 14 16 20 24 28 30 38 A MAX 6,50 6,50 7,50 8,50 10,50 10,50 12,90 A MIN 5,90 5,90 6,90 7,90 9,90 9,90 12,30 DIM 4040065 /E 12/01 NOTES: A. B. C. D. All linear dimensions are in millimeters.
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IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.