6
SCL
I/O
Serial SCL input
7
TEST
I/O
Test port
8
VDD
I
Positive Power Supply
3.5.3 function introduction to C S 5 3 4 0
1. DESCRIPTION
The CS5340 (U203) is complete analog-to-digital converter for digital audio systems. It performs
sampling, analog-to-digital conversion and anti-alias iltering, generating 24-bit values for both left and right
inputs in serial form at sample rates up to 200 kHz per channel.
The CS5340 uses a 5th-order,multi-bit delta-sigma modulator followed by digital filtering and decimation,
which removes the need for an external anti-alias filter.
The CS5340 is ideal for audio systems requiring wide dynamic range, negligible distortion and low noise,
such as set-top boxes, DVD-karaoke players, DVD recorders, A/V receivers, and automotive applications.
2. FEATURES
Advanced multi-bit Delta-Sigma architecture
24-bit conversion.
Supports all audio sample rates including 192kHz.
101dB Dynamic Range at 5V.
-94 dB THD+N.
High pass filter to remove DC offsets.
Analog/digital core supplies from 3.3V to 5V..
Linear phase digital anti-alias filtering.
Auto-mode selection.
Pin compatible with the cs5341
3. PIN DESCRIPTION
PIN
Symbol
I/O
Description
PIN
Symbol
I/O
Description
1
M0
I
Mode selection 0
9
/RST
I
Reset
2
MCLK
I
Master clock
10
AINL
I
Analog input L
3
VL
I
Logic power
11
VQ
O
Quiescent voltage
4
SDOUT
O
Serial audio data output
12
AINR
I
Analog input R
5
GND
I
GND
13
VA
I
Analog power
6
VD
I
Digital power
14
REF_GND
I
GND
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