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參數(shù)資料
| 型號(hào)： | PCM1720 |
| 英文描述： | Stereo Audio DIGITAL-TO-ANALOG CONVERTER MPEG2/AC-3 COMPATIBLE |
| 中文描述： | 立體聲音頻數(shù)字模擬轉(zhuǎn)換器MPEG2/AC-3兼容 |
| 文件頁(yè)數(shù)： | 1/13頁(yè) |
| 文件大?。?/td> | 194K |
| 代理商： | PCM1720 |
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1996 Burr-Brown Corporation
PDS-1333B
Printed in U.S.A. August, 1996
Serial
Input
I/F
Mode
Control
I/F
8X Oversampling
Digital Filter
with Function
Controller
SCKI
256f
S
/384f
S
V
CC
AGND
Multi-level
Delta-Sigma
Modulator
V
OUT
L
CAP
Open Drain
DAC
Multi-level
Delta-Sigma
Modulator
Low-pass
Filter
Low-pass
Filter
BPZ-Cont.
V
OUT
R
ZERO
DAC
MC
MD
ML
LRCIN
DIN
BCKIN
RSTB
Power Supply
V
DD
DGND
Stereo Audio
DIGITAL-TO-ANALOG CONVERTER
MPEG2/AC-3 COMPATIBLE
TM
49%
FPO
PCM1720
DESCRIPTION
The PCM1720 is a complete low cost stereo audio
digital-to-analog converter (DAC), operating off of a
256f
S
or 384f
S
system clock. The DAC contains a 3rd-
order
Σ
modulator, a digital interpolation filter, and
an analog output amplifier. The PCM1720 can accept
16-, 20-, or 24-bit input data in either normal or I
2
S
formats.
The digital filter performs an 8X interpolation func-
tion and includes selectable features such as soft mute,
digital attenuation and digital de-emphasis. The
PCM1720 can accept standard digital audio sampling
frequencies as well as one-half and double sampling
frequencies.
The PCM1720 is ideal for applications which combine
compressed audio and video data such as DVD, DVD-
ROM, set-top boxes and MPEG sound cards.
FEATURES
G
ACCEPTS 16-, 20-, OR 24-BIT INPUT DATA
G
COMPLETE STEREO DAC: Includes Digital
Filter and Output Amp
G
DYNAMIC RANGE: 96dB
G
MULTIPLE SAMPLING FREQUENCIES:
16kHz to 96kHz
8X Oversampling at All Sampling
Frequencies
G
SYSTEM CLOCK: 256f
S
/384f
S
G
NORMAL OR I
2
S DATA INPUT FORMATS
G
SELECTABLE FUNCTIONS:
Soft Mute
Digital Attenuator (256 Steps)
Digital De-emphasis
G
OUTPUT MODE: Left, Right, Mono, Mute
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/ FAXLine: (800) 548-6133 (US/Canada Only) Cable: BBRCORP Telex: 066-6491 FAX: (520) 889-1510 Immediate Product Info: (800) 548-6132
PCM1720
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCM1720E | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Ster DAC MPEG2/ AC-3 Compatible 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 |
| PCM1720E/2K | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Ster DAC MPEG2/ AC-3 Compatible 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 |
| PCM1720E/2KG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Ster DAC MPEG2/ AC-3 Compatible 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 |
| PCM1720EG4 | 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC Ster DAC MPEG2/ AC-3 Compatible 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 |
| PCM1721 | 制造商:BB 制造商全稱:BB 功能描述:DIGITAL-TO-ANALOG CONVERTER WITH PROGRAMMABLE PLL |
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