Datasheet > SRC4194IPAGTG4

SRC4194IPAGTG4

更新时间： 2024-11-21 20:10:11

品牌	Logo	应用领域
德州仪器 - TI		商用集成电路
页数	文件大小	规格书
43页	659K
描述
4-Channel, Asynchronous Sample Rate Converter 64-TQFP -40 to 85

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SRC4194IPAGTG4 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	QFP	包装说明：	TFQFP, TQFP64,.47SQ
针数：	64	Reach Compliance Code：	compliant
HTS代码：	8542.39.00.01	风险等级：	5.29
其他特性：	IT ALSO REQUIRES 3V TO 3.6V SUPPLY	商用集成电路类型：	CONSUMER CIRCUIT
JESD-30 代码：	S-PQFP-G64	JESD-609代码：	e4
长度：	10 mm	湿度敏感等级：	4
功能数量：	1	端子数量：	64
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TFQFP
封装等效代码：	TQFP64,.47SQ	封装形状：	SQUARE
封装形式：	FLATPACK, THIN PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	260
电源：	1.8/3.3,3.3 V	认证状态：	Not Qualified
座面最大高度：	1.2 mm	子类别：	Other Consumer ICs
最大供电电压 (Vsup)：	2 V	最小供电电压 (Vsup)：	1.65 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Nickel/Palladium/Gold (Ni/Pd/Au)	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	10 mm
Base Number Matches：	1

SRC4194IPAGTG4 数据手册

SRC4194

SBFS025B − JUNE 2004 − REVISED SEPTEMBER 2007

4-Channel, Asynchronous Sample Rate Converter

INPUT-TO-OUTPUT SAMPLING RATIO

READBACK (SOFTWARE MODE ONLY)

F_DEATURES

AUTOMATIC SENSING OF INPUT-TO-OUTPUT

SAMPLING RATIO

POWER-DOWN MODES

SUPPORTS OPERATION FROM A SINGLE +1.8V

OR +3.3V POWER SUPPLY

WIDE INPUT-TO-OUTPUT SAMPLING RANGE:

16:1 to 1:16

AVAILABLE IN A TQFP-64 PACKAGE

SUPPORTS INPUT AND OUTPUT SAMPLING

RATES UP TO 212kHz

DYNAMIC RANGE: 144dB (−60dbFS Input,

BW = 20Hz to f /2)

A_DPPLICATIONS

DIGITAL MIXING CONSOLES

THD+N: −140dB (0dbFS Input, BW = 20Hz to f_s/2)

DIGITAL AUDIO WORKSTATIONS

AUDIO DISTRIBUTION SYSTEMS

BROADCAST STUDIO EQUIPMENT

GENERAL DIGITAL AUDIO PROCESSING

HIGH-PERFORMANCE, LINEAR-PHASE DIGITAL

FILTERING WITH BETTER THAN 140dB OF

STOP BAND ATTENUATION

FLEXIBLE AUDIO SERIAL PORTS:

− Master or Slave Mode Operation

− Supports I²S, Left-Justified, Right-Justified,

and TDM Data Formats

− TDM Mode Allows Daisy-Chaining of Up to

Four Devices

DESCRIPTION

The SRC4194 is a four-channel, asynchronous sample

rate converter (ASRC), designed for professional and

broadcast audio applications. The SRC4194 combines a

wide input-to-output sampling ratio with outstanding

dynamic range and ultra low distortion. The input and

output serial ports support the most common audio data

formats, as well as a time division multiplexed (TDM)

format. This allows the SRC4194 to interface to a wide

range of audio data converters, digital audio receivers and

transmitters, and digital signal processors.

SUPPORTS 24-, 20-, 18-, or 16-BIT INPUT AND

OUTPUT DATA:

− All Output Data is Dithered from the Internal

28-Bit Data Path

SERIAL PERIPHERAL INTERFACE (SPI) PORT

SUPPORTS REGISTER READ AND WRITE

OPERATIONS IN SOFTWARE MODE

BYPASS MODE:

− Routes Input Port Data Directly to the Output

Port

The SRC4194 may be operated in Hardware mode as a

standalone pin-programmed device, with dedicated

control pins for serial port mode, audio data format, soft

mute, bypass, and digital filtering functions. Alternatively,

the SRC4194 may be operated in Software mode, where

a four-wire serial peripheral interface (SPI) port provides

access to internal control and status registers.

FOUR GROUP DELAY OPTIONS FOR THE

INTERPOLATION FILTER

DIRECT DOWNSAMPLING OPTION FOR THE

DECIMATION FILTER

DIGITAL DE-EMPHASIS FILTER:

− User-Selectable for 32kHz, 44.1kHz, and

48kHz Sampling Rates

The SRC4194 operates from either a +1.8V core supply or

a +3.3V core supply. When operating from +3.3V, the

+1.8V required by the core logic is derived from an internal

voltage regulator. The SRC4194 also requires a digital I/O

supply, which operates from +1.65V to +3.6V. The

SRC4194 is available in a TQFP-64 package.

SOFT MUTE FUNCTION

PROGRAMMABLE DIGITAL OUTPUT

ATTENUATION (SOFTWARE MODE ONLY):

− 256 Steps: 0dB to −127.5dB with 0.5dB Steps

U.S. Patent No. 7,262,716.

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.

All trademarks are the property of their respective owners.

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SRC4194IPAGTG4 替代型号

型号	品牌	替代类型	描述	数据表
SRC4194IPAGT	TI	完全替代	4-Channel, Asynchronous Sample Rate Converter

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