58
Professional Audio
➔
High-Performance, 2-Channel Asynchronous Sample Rate Converter Combos
SRC4392, SRC4382, DIX4192
Get datasheets at:
www.ti.com/sc/device/PARTnumber
(Replace
PARTnumber
with
or
DIX4192)
The SRC4392 and SRC4382 are two-channel asynchronous sample rate
converters integrated with digital-interface transceivers. The DIX4192
is a digital audio transceiver.
Key Features
• 2-channel operation
• 24-bit sampling
• Up to 216-kHz sampling rate
• Dynamic range:
•
144 dB (SRC4392)
•
128 dB (SRC4382)
• Packaging: 48-lead TQFP
Applications
• Professional broadcast equipment
• Recording studio consoles
SRC4392
SDINA
SDOUTA
LRCKA
BCKA
Audio Serial
Port A
Host
Interface
(SPI or I
2
C)
and
General
Purpose
Outputs
SDINB
SDOUTB
LRCKB
BCKB
RXCKO
/LOCK
RX1+
RX1 –
RX2+
RX2 –
RX3+
RX3 –
RX4+
RX4 –
TX+
TX –
AESOUT
BLS
SYNC
CPM
/CS or A0
CCLK or SCL
CDIN or A1
CDOUT or SDA
/INT
/RST
GPO1
GPO2
GPO3
GPO4
Audio Serial
Port B
Control & Status
Registers
DIR CS & U
Data Buffers
Digital
Interface
Receiver
(DIR)
DIT CS & U
Data Buffers
PORT_B_IN
PORT_A_IN
SRC_OUT
DIR_OUT
Master
Clock
Distribution
PORT A
PORT B
DIR
DIT
SRC
MCLK
RXCKI
From RXCKO
Digital
Interface
Transmitter
(DIT)
/RDY
MUTE
Asynchronous
Sample Rate
Converter
(SRC)
Power
VDD18
DGND1
VDD33
DGND2
VIO
DGND3
VCC
AGND
BGND
Internally Tied to Substrate
SRC4392 block diagram.
Audio Solutions Guide
Texas Instruments 1Q 2006