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SRC4190-Q1 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
封装:
SSOP-28
描述:
汽车类 192kHz 立体声异步采样速率转换器
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SRC4190-Q1数据手册
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SRC4190-Q1
www.ti.com
SBFS034A –SEPTEMBER 2008–REVISED OCTOBER 2009
192-kHz STEREO ASYNCHRONOUS SAMPLE-RATE CONVERTER
Check for Samples: SRC4190-Q1
1
FEATURES
• Qualified for Automotive Applications • Supports 24-, 20-, 18-, or 16-Bit Input and
Output Data
• Automatic Sensing of the Input-To-Output
Sampling Ratio • All Output Data Is Dithered From the Internal
28-Bit Data Path
• Wide Input-to-Output Sampling Range:
16:1 to 1:16 • Low Group Delay Option for Interpolation
Filter
• Supports Input and Output Sampling Rates up
to 212 kHz • Soft Mute Function
• Dynamic Range: 128 dB (–60 dBFS Input, • Bypass Mode
BW = 20 Hz to f
S
/2, A-Weighted)
• Power Down Mode
• THD+N: –125 db (0 dBFS Input,
• Operates From a Single 3.3-V Power Supply
BW = 20 Hz to f
S
/2)
• Small SSOP-28 Package
• Attenuates Sampling and Reference Clock
• Pin Compatible With the SRC4192, AD1895,
Jitter
and AD1896
• High Performance, Linear Phase Digital
Filtering
APPLICATIONS
• Flexible Audio Serial Ports
• Digital Mixing Consoles
• Master or Slave Mode Operation
• Digital Audio Workstations
• Audio Distribution Systems
• Supports I
2
S, Left Justified, Right Justified,
and TDM Data Formats
• Broadcast Studio Equipment
• High-End A/V Receivers
• Supports 16, 18, 20, or 24-Bit Audio Data
• General Digital Audio Processing
• TDM Mode Allows Daisy Chaining of up to
Eight Devices
DESCRIPTION
The SRC4190 is an asynchronous sample rate converter designed for professional and broadcast audio
applications. The SRC4190 combines a wide input-to-output sampling ratio with outstanding dynamic range and
low distortion. Input and output serial ports support standard audio formats, as well as a Time Division
Multiplexed (TDM) mode. Flexible audio interfaces allow the SRC4190 to connect to a wide range of audio data
converters, digital audio receivers and transmitters, and digital signal processors.
The SRC4190 is a standalone pin-programmed device, with control pins for mode, data format, mute, bypass,
and low group delay functions.
The SRC4190 may be operated from a single 3.3-V power supply. A separate digital I/O supply (V
IO
) operates
over the 1.65-V to 3.6-V supply range, allowing greater flexibility when interfacing to current and future
generation signal processors and logic devices. The SRC4190 is available in an SSOP-28 package.
ORDERING INFORMATION
(1)
T
A
PACKAGE
(2)
ORDERABLE PART NUMBER TOP-SIDE MARKING
–40°C to 85°C SSOP – DB Reel of 2000 SRC4190IDBRQ1 SRC4190Q
(1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
web site at www.ti.com.
(2) Package drawings, thermal data, and symbolization are available at www.ti.com/packaging.
1
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.
PRODUCTION DATA information is current as of publication date.
Copyright © 2008–2009, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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