CXD2555 Intersil Corporation, CXD2555 Datasheet - Page 2

• Manufacturer Part Number: CXD2555
• Description: AD/DA Converter For Audio Application
• Manufacturer: Intersil Corporation

Block Diagram
Pin Descriptions
SOUT
LRCK
PIN NO.
BCK
SIN
10
11
12
12
14
15
16
1
2
3
4
5
6
7
8
9
30
27
28
29
AOUT2 (+)
AOUT1(–)
SYMBOL
AOUT2(-)
AV
AV
AV
AV
AV
AV
UCLK
XCLK
XV
XTLO
36
XV
AIN2
XTLI
DD
DD
SS
SS
SS
SS
DD
SS
32
S
S
3
4
4
2
3
4
35
→
←
CLOCK GENERATOR/ TIMING CIRCUIT
33
P
P
34
I/O
O
O
O
O
O
O
-
-
-
I
-
-
-
-
-
I
8
16
Crystal oscillator circuit input. Connects the crystal oscillator selected by the crystal selection
Analog power supply for Channel-1 DA converter.
Analog opposite-phase output of Channel-1 DA converter
Analog GND for Channel-1 DA converter.
Outputs a 1/2 frequency divider of the clock input form the oscillator pin XTLI (Pin 7). User
clock output for externally connected ICs.
256 f
multiple CXD255Qs are connected. (When XSL2 = Low)
Digital power supply for the master clock.
pins XSLO to 2 (Pins 34, 35, and 36). Used to input the master clock from external.
Crystal oscillator circuit output. Connects the crystal oscillator selected by the crystal selection
pins XSLO to 2 (Pins 34, 35, and 36).
Digital GND for the master clock.
Analog GND for Channel-2 DA converter.
Analog opposite-phase output for Channel-2 DA converter.
Analog power supply for Channel-2 DA converter.
Analog in-phase output for Channel-2 DA converter.
Analog GND for Channel-2 DA converter.
Analog GND for Channel-2 AD converter.
Analog input for Channel-2 AD converter.
S
7
clock output. this provides the master clock for ICs operating in the slave mode when
RAM
HI2555, CXD2555
DIGITAL FILTER
(OVER SAMPLING
DECIMATION)
5
16
4
4-302
ROM
10
16
16
16
16
DESCRIPTION
MAF1
MAF2
DAC1
DAC2
ADC1
ADC2
45
16
48
11
13
2
AIN1
AIN2
AOUT1(-)
AOUT1(+)
AOUT2(-)
AOUT2(+)