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PCM2702E 데이터시트 PDF




Burr-Brown Corporation에서 제조한 전자 부품 PCM2702E은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

PDF 형식의 PCM2702E 자료 제공

부품번호 PCM2702E 기능
기능 16-Bit Stereo DIGITAL-TO-ANALOG CONVERTER with Interface
제조업체 Burr-Brown Corporation
로고 Burr-Brown Corporation 로고


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PCM2702E 데이터시트, 핀배열, 회로
®
PCM2702
PCM2702
For most current data sheet and other product
information, visit www.burr-brown.com
16-Bit Stereo
DIGITAL-TO-ANALOG CONVERTER
with
Interface
FEATURES
q INTEGRATED USB INTERFACE:
Full-Speed Transceiver Supports 12Mbps
Data Transfer.
Fully Compliant with the USB 1.0 Specifi-
cation.
Adaptive Mode for Isochronous Transfer.
Self-Powered Device.
q ACCEPTS 16-BIT STEREO AND MONO
USB AUDIO DATA STREAMS.
q ANALOG PERFORMANCE (VCC = 5V):
Dynamic Range: 100dB (typ at 16-bit)
SNR: 105dB (typ)
THD+N: 0.002% (typ at 16-bit)
Full-Scale Output: 3.1Vp-p
q 8X OVERSAMPLING DIGITAL FILTER:
Passband: 0.454fS
Stopband: 0.546fS
Passband Ripple: ±0.002dB
Stopband Attenuation: –82dB
q SAMPLING RATE (FS): 32kHz, 44.1kHz,
48kHz
q ON-CHIP CLOCK GENERATOR
WITH SINGLE 12MHz CLOCK SOURCE
q MULTI-FUNCTIONS:
Digital Attenuator: 0dB to –64dB, 1dB/step
Soft Mute
Zero Flag
Suspend Flag
Playback Flag
q DUAL POWER SUPPLIES:
+5V for Analog portion
+3.3V for Digital portion
q PACKAGE: SSOP-28
APPLICATIONS
q STAND-ALONE USB AUDIO SPEAKERS
q CRT/LCD INTEGRATED USB AUDIO SPEAKERS
q USB AUDIO AMPLIFIERS
q OTHER USB AUDIO APPLICATIONS
DESCRIPTION
The PCM2702 is a single chip digital-to-analog con-
verter offering two D/A output channels and an inte-
grated USB 1.0 compliant interface controller. The
newly developed SpAct™ (Sampling Period Adaptive
Controlled Tracking) system recovers a stable, low-
jitter clock for internal PLL and DAC operation from
the USB interface audio data.
The PCM2702 is based upon Burr-Brown’s Enhanced
Multi-level Delta-Sigma Modulator, an 8x
oversampling digital interpolation filter, and an analog
output low-pass filter.
The PCM2702 can accept a 48kHz, 44.1kHz and
32kHz sampling rates, using either 16-bit stereo or
monaural audio data. Digital attenuation and soft-
mute features are included, and are controlled via USB
audio class request.
Patents Pending.
SpAct™ is a trademark of Burr-Brown Corporation.
International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111
Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
©2000 Burr-Brown Corporation
PDS-11584A
PCPrMinte2d 7in0U.2S.A. May, 2000
®




PCM2702E pdf, 반도체, 판매, 대치품
BLOCK DIAGRAM
D+
D–
VBUS
DGNDU
VDDC
DGNDC
USB
Packet
Data
USB
I/F
wrclk
mclk
Audio
Data
FIFO
8x
Oversampling
Digital Filter
Multi-
Level
Delta-
Sigma
Modulator
System Clock
DAC
DAC
USB
Clock
Generator
SpAct™
Audio
Clock
Generator
Crystal
OSC
Power Supply
XTI XTO
VDDP DGNDP
VCC AGND VDD DGND
Low-Pass
Filter
Low-Pass
Filter
VOUTL
VCOM
VOUTR
®
PCM2702
4

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PCM2702E 전자부품, 판매, 대치품
TYPICAL PERFORMANCE CURVES (Cont.)
All specifications at TA = +25°C, VCC = VCCL = VCCR = VCCP = 5.0V, VDD = VDDC = 3.3V, fS = 44.1MHz, signal frequency = 1kHz and 16-bit data, unless
otherwise specified.
SOUND-TO-NOISE RATIO vs VCC
110
108
106
104
102
100
4.25 4.5 4.75 5.0 5.25 5.5 5.75
VCC (V)
CHANNEL SEPEARATION vs VCC
108
106
104
102
100
98
4.25 4.5 4.75 5.0 5.25 5.5 5.75
VCC (V)
®
7 PCM2702

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관련 데이터시트

부품번호상세설명 및 기능제조사
PCM2702

16-Bit Stereo DIGITAL-TO-ANALOG CONVERTER with Interface

Burr-Brown Corporation
Burr-Brown Corporation
PCM2702

16-Bit Stereo Digital-To-Analog Converter with USB Interface (Rev. A)

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