PCM4204PAPR ,24-Bit/192kHz, 118dB, 4-Channel Audio A/D ConverterELECTRICAL CHARACTERISTICS Unless otherwise noted, all characteristics specified with T = +25°C, ..
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PCM4204PAPR-PCM4204PAPRG4
24-Bit/192kHz, 118dB, 4-Channel Audio A/D Converter
SBAS327A − JUNE 2004 − REVISED SEPTEMBER 2004
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FEATURES Four High-Performance Delta-Sigma
Analog-to-Digital Converters
− 24-Bit Linear PCM or 1-Bit Direct Stream
Digital (DSD) Output Data
− Supports PCM Output Sampling Rates up
to 216kHz
− Supports 64fS and 128fS DSD Output Data
Rates Dynamic Performance: PCM Output
− Dynamic Range: 118dB
− THD+N: −105dB Dynamic Performance: DSD Output
− Dynamic Range: 115dB
− THD+N: −103dB Audio Serial Port
− 24-Bit Linear PCM Output Data
− Master or Slave Mode Operation
− Supports Left-Justified, Right-Justified,2 S, and TDM Data Formats DSD Data Port
− Supports DSD Output or Input for All Four
Channels Simultaneously
− Input Mode Provides 1-Bit DSD to 24-Bit
PCM Data Format Conversion�
Additional PCM Output Features
− Linear-Phase Digital Decimation Filter
− Digital High-Pass Filter for DC Removal
− Clipping Flag Output for Each Channel Power Supplies: +5V Analog and +3.3V Digital Power Dissipation:
− fS = 48kHz: 600mW typical
− fS = 96kHz: 640mW typical
− fS = 192kHz: 615mW typical Power-Down Mode Available in a Thermally-Enhanced HTQFP-64
Package
APPLICATIONS Digital Recorders and Mixing Desks Digital Audio Effects Processors Broadcast Studio Equipment Surround Sound Encoders High-End A/V Receivers
DESCRIPTIONThe PCM4204 is a high-performance, four-channel
analog-to-digital (A/D) converter designed for professional
and broadcast audio applications. The PCM4204
architecture utilizes a 1-bit delta-sigma modulator per
channel incorporating a novel density modulated dither
scheme for improved dynamic performance.
The PCM4204 supports 24-bit linear PCM output data,
with sampling frequencies up to 216kHz. The PCM4204
can also be configured to output either 64x or 128x
oversampled, 1-bit direct stream digital (DSD) data for
each channel. In addition, the PCM4204 supports a DSD
input mode, allowing 1-bit DSD to 24-bit PCM data format
conversion utilizing the on-chip digital decimation filter.
These features make the PCM4204 suitable for a variety
of digital audio recording and processing applications.
The PCM4204 includes a flexible audio serial port inter-
face, which supports standard PCM audio data formats, as
well as time division multiplexed (TDM) PCM data formats.
Multiple format support allows the system designer to
choose the interface format that best suits the end applica-
tion. Audio data format selection, sampling mode configu-
ration, and high-pass filter functions are all programmed
using dedicated control pins.
The PCM4204 operates from a +5V analog power
supply and a +3.3V digital power supply. The digital I/O
pins are compatible with +3.3V logic families. The
PCM4204 is available in a thermally-enhanced HTQFP-64
PowerPAD package.
