Features: AUTOMATIC SENSING OF INPUT-TO-OUTPUT SAMPLING RATIO WIDE INPUT-TO-OUTPUT SAMPLING RANGE: 16:1 to 1:16 SUPPORTS INPUT AND OUTPUT SAMPLING RATES UP TO 212kHz DYNAMIC RANGE: 128dB (−60dbFS Input,BW = 20Hz to fs/2, A-Weighted) THD+N: −125dB (0dbFS Input, BW = 20Hz to fs/2) HIGH-P...
SRC4184: Features: AUTOMATIC SENSING OF INPUT-TO-OUTPUT SAMPLING RATIO WIDE INPUT-TO-OUTPUT SAMPLING RANGE: 16:1 to 1:16 SUPPORTS INPUT AND OUTPUT SAMPLING RATES UP TO 212kHz DYNAMIC RANGE: 128dB (−60d...
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Audio Sample Rate Converters 4Ch A Synch Smpl Rate Cnvrtr
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Audio Sample Rate Converters 4-Ch Asynch Sample Rate Converter
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Audio Sample Rate Converters 4-Ch Asynch Sample Rate Converter
AUTOMATIC SENSING OF INPUT-TO-OUTPUT SAMPLING RATIO
WIDE INPUT-TO-OUTPUT SAMPLING RANGE: 16:1 to 1:16
SUPPORTS INPUT AND OUTPUT SAMPLING RATES UP TO 212kHz
DYNAMIC RANGE: 128dB (−60dbFS Input,BW = 20Hz to fs/2, A-Weighted)
THD+N: −125dB (0dbFS Input, BW = 20Hz to fs/2)
HIGH-PERFORMANCE, LINEAR PHASE DIGITAL FILTERING
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
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
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
SOFT MUTE FUNCTION
PROGRAMMABLE DIGITAL OUTPUT ATTENUATION (SOFTWARE MODE ONLY):
− 256 Steps: 0dB to −127.5dB with 0.5dB Steps
INPUT-TO-OUTPUT SAMPLING RATIO READBACK (SOFTWARE MODE ONLY)
POWER-DOWN MODES
SUPPORTS OPERATION FROM A SINGLE +1.8VOR +3.3V POWER SUPPLY
AVAILABLE IN A TQFP-64 PACKAGE
Core Supply Voltage
VDD18 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3V to +2.0V
VDD33 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3V to +4.0V
Digital I/O Supply Voltage, VIO . . . . . . . . . . . . . . . . . . . . . . −0.3V to +4.0V
Digital Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . .−0.3V to +4.0V
Operating Case Temperature Range, TC . . . . . . . . . . . . . . . . . . .−40 to +85
Storage Temperature Range, TSTG . . . . . . . . . . . . . . . . . . . . . . .−65 to +150
The SRC4184 is a four-channel, asynchronous sample rate converter (ASRC), designed for professional and broadcast audio applications. It 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 SRC4184 to interface to a wide range of audio data converters, digital audio receivers and transmitters, and digital signal processors.
The SRC4184 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 SRC4184 may be operated in Software mode, where a four-wire serial peripheral interface (SPI) port provides access to internal control and status registers.
The SRC4184 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. It also requires a digital I/O supply, which operates from +1.65V to +3.6V. It is available in a TQFP-64 package.