Sharp HT-CN410DVH Service Manual page 56

HT-CN410DVH
IC303, 192 kHz Multi-bit audio A/D Converter (CS5342)
Pin Name #
M0 1
M1 16
MCLK 2
VL 3
SDOUT 4
GND 5
VD 6
SCLK 7
LRCK 8
RST 9
AINL 10
AINR 12
VQ 11
VA 13
REFGND 14
FILT+ 15
IC5002, Headphone Driver with Mute (APA 3541-TRL)
Block Diagram
Pin Description
Mode Selection (Input) - Determines the operational mode of the device.
Master Clock (Input) - Clock source for the delta-sigma modulator and digital filters.
Logic Power (Input) - Positive power for the digital input/output.
Serial Audio Data Output (Output) - Output for two's complement serial audio data.
Ground (Input) - Ground reference. Must be connected to analog ground.
Digital Power (Input) - Positive power supply for the digital section.
Serial Clock (Input/Output) - Serial clock for the serial audio interface.
Left Right Clock (Input/Output) - Determines which channel, Left or Right, is currently
active on the serial audio data line.
Reset (Input) - The device enters a low power mode when low.
Analog Input (Input) - The Full scale analog input level is specified in the Analog
Characteristics specification table.
Quiescent Voltage (Output) - Filter connection for the internal quiescent
reference voltage.
Analog Power (Input) - Positive power supply for the analog section.
Reference Ground (Output) - Ground reference for the internal sampling circuits.
Positive Voltage Reference (Output) - Positive reference voltage for the internal
sampling circuits.
O u t A
1
0 d B
(6 d B)
A
M u t e
2
+
Input A
3
V
4
S S
* The values in parenthessis are for the APA3544.
M U T E
0 d B
(6 d B )
B
+
B IA S
1 8 0 k Ω 1 8 0 k Ω
( 9 0 k Ω )
( 9 0 k Ω )
56
V
8
D D
O u t B
7
B I A S
6
Input B
5