SRC4193系列介绍资料

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SRC4193

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高端采样速率转换器

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The SRC4192 and SRC4193 devices are asynchronous, sample-rate converters designed for professional and broadcast audio applications. The SRC4192 and SRC4193 devices combine a wide input-to-output sampling ratio with outstanding dynamic range and ultra-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 SRC4192 and SRC4193 devices to connect to a wide range of audio data converters, digital audio receivers and transmitters, and digital signal processors.

The SRC4192 device is a standalone, pin-programmed device, with control pins for mode, data format, mute, bypass, and low group-delay functions. The SRC4193 device is a software-controlled device featuring a serial peripheral interface (SPI) port, which is utilized to program all functions through the internal control registers.

The SRC4192 and SRC4193 devices can operate 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. Both devices are available in a 28-pin SSOP package.

Automatic Sensing of the Input-to-Output
Sampling Ratio
Wide Input-to-Output Sampling Range: 16:1 to
1:16
Supports Input and Output Sampling Rates Up to
212 kHz
Dynamic Range: 144 dB (–60-dbFS Input, BW =
20 Hz to f_S/2, A-Weighted)
THD+N: –140 dB (0-dbFS Input, BW = 20 Hz to
f_S/2)
Attenuates Sampling and Reference Clock Jitter
High-Performance, Linear-Phase Digital Filtering
with Stop Band Attenuation Greater than 140 dB
Flexible Audio Serial Ports:
- Master or Slave-Mode Operation
- Supports I²S, Left-Justified, Right-Justified,
  and TDM Data Formats
- Supports 16, 18, 20, or 24-Bit Audio Data
- TDM Mode Allows Daisy-Chaining of up to
  Eight Devices
Supports 24-, 20-, 18-, or 16-Bit Input and Output
Data: All Output Data is Dithered from the Internal
28-Bit Data Path
Low Group Delay Option for Interpolation Filter
Direct Downsampling Option for Decimation Filter
(SRC4193 Only)
SPI Port Provides Access to Internal Control
Registers (SRC4193 Only)
Soft Mute Function
Bypass Mode
Programmable Digital Output Attenuation
(SRC4193 Only); 256 Steps: 0 dB to –127.5 dB,
0.5-dB/step
Power Down Mode
Operates From a Single 3.3-V Power Supply
Small 28-Pin SSOP Package
Pin Compatible with the AD1896 (SRC4192 Only)

Number of SRC channels	2
Digital audio interface	I2S, L, R, TDM
Dynamic range (dB)	144
Digital supply (up to 5 V) (V)	3 - 3.6
THD+N (dB)	-140
Control mode	SW (SPI)
Power supply (V)	3.3
Control interface	SPI
Audio data format	I2S, Normal, TDM
Rating	Catalog
Operating temperature range (°C)	-40 to 85
Sampling rate (max) (kHz)	212

SSOP (DB)

79.56 mm² 10.2 x 7.8

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SRC4193

高端采样速率转换器

4000-306-326