CXD2306Q
Pin No.
18
20, 21
23
24
25
Symbol I/O
SREF
O
AVDD
—
IO
O
IO
AVSS
—
Equivalent circuit
AVDD
18
AVSS
AVSS
AVDD
24
AVSS
AVDD
23
AVSS
Description
Independent constant-voltage source
output pin using band gap reference.
Stable voltage independent of the
fluctuation for supply voltage can be
get by connecting to VREF. See
Application Circuit 2 for details.
Analog power supply
Inverted current output.
Connect to GND normally.
Current output. Output can be
retrieved by connecting resistance.
The standard is 200 Ω.
Analog ground
Description of Operation
Timing Chart
tPW1 tPW0
CLK
ts th
ts th
ts th
DATA
tPD
1.5V
100%
I/O Correspondence Table
(When 2.00 V output full-scale voltage)
Input code
MSB
LSB
1111111111
:
1000000000
:
000000 0000
Output
voltage
2.0 V
1.0 V
0V
D/A OUT
tPD
50%
tPD
0%
—4—