SRC4184

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4-kanaliger asynchroner Abtastfrequenzwandler

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Datenblatt

document-pdfAcrobat 4-Channel, Asynchronous Sample Rate Converter datasheet (Rev. B) (Englisch)

SRC4184

AKTIV

Datenblatt

Jetzt bestellen

Produktdetails

Number of SRC channels

4

Digital audio interface

I2S, L, R, TDM

Dynamic range (dB)

128

Digital supply (up to 5 V) (V)

1.65 - 2, 3 - 3.6

THD+N (dB)

-125

Control mode

SW (SPI)

Power supply (V)

1.8, 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

Number of SRC channels

4

Digital audio interface

I2S, L, R, TDM

Dynamic range (dB)

128

Digital supply (up to 5 V) (V)

1.65 - 2, 3 - 3.6

THD+N (dB)

-125

Control mode

SW (SPI)

Power supply (V)

1.8, 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

TQFP (PAG)

64

144 mm² 12 x 12

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 f_s/2, A-Weighted)
THD+N: –125dB (0dbFS Input, BW = 20Hz to f_s/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 +1.8V or +3.3V POWER SUPPLY
AVAILABLE IN A TQFP-64 PACKAGE
APPLICATIONS
- DIGITAL MIXING CONSOLES
- DIGITAL AUDIO WORKSTATIONS
- AUDIO DISTRIBUTION SYSTEMS
- BROADCAST STUDIO EQUIPMENT
- GENERAL DIGITAL AUDIO PROCESSING

U.S. Patent No. 7,262,716.
All trademarks are the property of their respective owners.

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 f_s/2, A-Weighted)
THD+N: –125dB (0dbFS Input, BW = 20Hz to f_s/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 +1.8V or +3.3V POWER SUPPLY
AVAILABLE IN A TQFP-64 PACKAGE
APPLICATIONS
- DIGITAL MIXING CONSOLES
- DIGITAL AUDIO WORKSTATIONS
- AUDIO DISTRIBUTION SYSTEMS
- BROADCAST STUDIO EQUIPMENT
- GENERAL DIGITAL AUDIO PROCESSING

U.S. Patent No. 7,262,716.
All trademarks are the property of their respective owners.

The SRC4184 is a four-channel, asynchronous sample rate converter (ASRC), designed for professional and broadcast audio applications. The SRC4184 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. The SRC4184 also requires a digital I/O supply, which operates from +1.65V to +3.6V. The SRC4184 is available in a TQFP-64 package.

The SRC4184 is a four-channel, asynchronous sample rate converter (ASRC), designed for professional and broadcast audio applications. The SRC4184 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. The SRC4184 also requires a digital I/O supply, which operates from +1.65V to +3.6V. The SRC4184 is available in a TQFP-64 package.

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	Typ	Titel		Datum
*	Data sheet	4-Channel, Asynchronous Sample Rate Converter datasheet (Rev. B)		13 Sep 2007

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SRC4184

4-kanaliger asynchroner Abtastfrequenzwandler

SRC4184

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