PCM2904 Datasheet PDF - Burr-Brown Corporation
| Part Number | PCM2904 | |
| Description | STEREO AUDIO CODEC WITH USB INTERFACE SINGLE ENEDE ANALOG INPUT/OUTPUT AND S/PDIF | |
| Manufacturers | Burr-Brown Corporation | |
| Logo |  |
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BurrĆBrown Products
from Texas Instruments
PCM2904
PCM2906
SLES042A − JUNE 2002 − REVISED JUNE 2004
STEREO AUDIO CODEC WITH USB INTERFACE,
SINGLEĆENDED ANALOG INPUT/OUTPUT AND S/PDIF
FEATURES
D PCM2904: Without S/PDIF
D PCM2906: With S/PDIF
D On-Chip USB Interface:
− With Full-Speed Transceivers
− Fully Compliant With USB 1.1
Specification
− Certified by USB-IF
− Partially Programmable Descriptors(1)
− USB Adaptive Mode for Playback
− USB Asynchronous Mode for Record
− Bus Powered
D 16-Bit Delta-Sigma ADC and DAC
D Sampling Rate:
− DAC: 32, 44.1, 48 kHz
− ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz
D On-Chip Clock Generator With Single 12-MHz
Clock Source
D Single Power Supply: 5 V Typical (VBUS)
D Stereo ADC:
− Analog Performance at VBUS = 5 V
− THD+N = 0.01%
− SNR = 89 dB
− Dynamic Range = 89 dB
− Decimation Digital Filter
− Pass-Band Ripple = ±0.05 dB
− Stop-Band Attenuation = –65 dB
− Single-Ended Voltage Input
− Antialiasing Filter Included
− Digital LCF Included
D Stereo DAC:
− Analog Performance at VBUS = 5 V
− THD+N = 0.005%
− SNR = 96 dB
− Dynamic Range = 93 dB
− Oversampling Digital Filter
− Pass-Band Ripple = ±0.1 dB
− Stop-Band Attenuation = –43 dB
− Single-Ended Voltage Output
− Analog LPF Included
D Multifunctions:
− Human Interface Device (HID) Volume ±
Control and Mute Control
− Suspend Flag
D Package: 28-Pin SSOP, Lead-Free Product
APPLICATIONS
D USB Audio Speaker
D USB Headset
D USB Monitor
D USB Audio Interface Box
DESCRIPTION
The PCM2904/2906 is Texas Instruments single-chip
USB stereo audio codec with USB-compliant full-speed
protocol controller and S/PDIF (PCM2906 only). The
USB protocol controller works with no software code,
but the USB descriptors can be modified in some areas
(for example, vendor ID/product ID). The
PCM2904/2906 employs SpAct architecture, TI’s
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 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.
(1)The descriptor can be modified by changing a mask.
SpAct is a trademark of Texas Instruments, Incorporated.
Apple. Mac, and Mac OS are trademarks of Apple Computer, Inc.
Intel is a trademark of Intel Corporation.
Microsoft, Windows, Windows Me, and Windows XP are trademarks of Microsoft Corporation.
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 Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
Copyright 2004, Texas Instruments Incorporated
www.ti.com
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www.ti.com
PCM2904
PCM2906
SLES042A − JUNE 2002 − REVISED JUNE 2004
ELECTRICAL CHARACTERISTICS(continued)
all specifications at TA = 25°C, VBUS, = 5 V, fS = 44.1 kHz, fIN = 1 kHz, 16-bit data, unless otherwise noted
PARAMETER
TEST CONDITIONS
PCM2904DB, PCM2906DB
MIN TYP MAX
Analog Output
VO Output voltage
Center voltage
Load impedance
AC coupling
0.6 VCCCI
0.5 VCCCI
10
LPF frequency response
–3 dB
f = 20 kHz
250
–0.03
Digital filter performance
Pass band
Stop band
Pass-band ripple
0.555 fs
0.445 fs
±0.1
Stop-band attenuation
–43
td Delay time
Power Supply Requirements
14.3 fs
VBUS
Voltage range
Supply current
ADC, DAC operation
Suspend mode (1)
4.35 5 5.25
56 67
210
PD Power dissipation
Internal power supply voltage(2)
ADC, DAC operation
Suspend mode (1)
280 352
1.05
3.25 3.35 3.5
Temperature Range
Operating temperature
−25 85
θJA Thermal resistance
28-pin SSOP
100
(1) In USB suspend state
(2) Pins 10, 17, 19, 23, 27: VCCCI, VCCP1I, VCCP2I, VCCXI, VDDI
UNIT
Vp−p
V
kΩ
kHz
dB
Hz
Hz
dB
dB
s
VDC
mA
µA
mW
VDC
_C
_C/W
PIN ASSIGNMENTS
PCM2904
(TOP VIEW)
D+
D−
VBUS
DGNDU
HID0
HID1
HID2
SEL0
SEL1
VCCCI
AGNDC
VINL
VINR
VCOM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SSPND
VDDI
DGND
TEST1
TEST0
VCCXI
AGNDX
XTI
XTO
VCCP2I
AGNDP
VCCP1I
VOUTL
VOUTR
D+
D−
VBUS
DGNDU
HID0
HID1
HID2
SEL0
SEL1
VCCCI
AGNDC
VINL
VINR
VCOM
PCM2906
(TOP VIEW)
1 28
2 27
3 26
4 25
5 24
6 23
7 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
SSPND
VDDI
DGND
DOUT
DIN
VCCXI
AGNDX
XTI
XTO
VCCP2I
AGNDP
VCCP1I
VOUTL
VOUTR
5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for PCM2904 electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ PCM2904.PDF Datasheet ] | |
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