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參數(shù)資料
| 型號： | PCM1740E |
| 英文描述： | Stereo Audio DIGITAL-TO-ANALOG CONVERTER with VCXO and PLL |
| 中文描述： | 立體聲音頻數(shù)模轉(zhuǎn)換器與石英振蕩器和PLL |
| 文件頁數(shù)： | 1/20頁 |
| 文件大小： | 359K |
| 代理商： | PCM1740E |
PCM1740
Stereo Audio
DIGITAL-TO-ANALOG CONVERTER
with VCXO and PLL
PCM1740
FEATURES
G
COMPLETE DELTA-SIGMA STEREO DAC
G
VOLTAGE-CONTROLLED CRYSTAL
OSCILLATOR: 27MHz
±
150ppm Output with
0V to 3V Input
G
PROGRAMMABLE PLL
256f
S
or 384f
S
Audio System Clock Output
G
DYNAMIC PERFORMANCE:
Dynamic Range: 94dB
SNR: 94dB
THD+N: –89dB
G
SAMPLING FREQUENCIES:
16kHz, 22.05kHz, 24kHz
32kHz, 44.1kHz, 48kHz
64kHz, 88.2kHz, 96kHz
G
SERIAL AUDIO INTERFACE:
Standard or I
2
S Data Formats
16-, 20-, or 24-Bit Data
G
I
2
C-BUS
INTERFACE FOR CONTROL
REGISTERS
(1)
:
Slave Receiver Operation
7-Bit Addressing
Standard Transfer Rate (up to 100kbps)
G
PROGRAMMABLE CONTROLS:
Digital Attenuation (256 steps)
Soft Mute
Infinite Zero Detect Mute
De-Emphasis (32kHz, 44.1kHz, 48kHz)
DAC Output Mode
G
SINGLE +5V SUPPLY
G
SMALL SSOP-24 PACKAGE
2000 Burr-Brown Corporation
PDS-1551A
For most current data sheet and other product
information, visit www.burr-brown.com
TM
DESCRIPTION
The PCM1740 is a complete stereo audio digital-to-analog
converter with on-chip PLL and VCXO. The PCM1740 is
designed specifically for set-top box applications requiring
high-quality audio playback, a precision tuned 27MHz mas-
ter clock source, and support for multiple audio-sampling
frequencies.
The stereo D/A converter utilizes multi-bit, delta-sigma
architecture, which includes an 8x interpolation filter, third-
order noise shaping, 5-level amplitude quantization, and an
analog low-pass filter. The PCM1740 includes a number of
user-programmable functions, which are accessed via a
standard I
2
C-Bus interface.
APPLICATIONS
G
SET-TOP BOXES
G
DIGITAL BROADCAST RECEIVERS
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
NOTE: (1) I
2
C-Bus
is a registered trademark of Philips Semiconductor.
PCM1740
I/F
I
2
C
RI/F
VCXO
SCL
SDA
AD1
AD0
XTUN
XT1
XT2
RST
27MHz
Digital Filter
SuProcess
(R)
Counter N
V
OUT
L
V
COM
ZERO
SCKO
(256f
S
/384f
S
)
MCKO
(27MHz)
V
OUT
R
Counter M
Power Supply
Reset
BCK
LRCK
DATA
Phase
V
PP
AGND
DGND
V
CC
V
DD
PGND
(L)
LoFilter
and Amp
LPF
VCO
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM1740E/2K | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC w/Prog PLL&VCXO RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1740E/2KG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC w/Prog PLL&VCXO RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1740E-1/2K | 制造商:Texas Instruments 功能描述: |
| PCM1740EG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Stereo DAC w/Prog PLL&VCXO RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel |
| PCM1741 | 制造商:BB 制造商全稱:BB 功能描述:+3.3V Single-Supply, 24-Bit, 96kHz Sampling Enhanced Multilevel, Delta-Sigma, Audio DIGITAL-TO-ANALOG CONVERTER |
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