CXD2303AQ
Analog Output (CXD1178Q)
Item
Min. Typ.
Analog output 1.8
2.0
Full-scale
0
1.5
output ratio (∗)
(RL = 200 Ω)
Max. Unit
2.2
V
3
%
Full-scale voltage of each channel
∗ Full-scale output ratio =
–1 × 100 [%]
Average of the full-scale voltage of each channel
Output Format (CXD2303AQ)
The table shows the output format of AD converter.
Analog input
voltage
VART, VBRT, VCRT
:
:
:
:
VARB, VBRB, VCRB
Step
0
:
127
128
:
255
Digital output code
MSB
LSB
11111111
:
10000000
01111111
:
00000000
Timing Chart
Analog input
External clock
tPW1
tPW0
AD clock
1.3V
AD output
tPD (AD)
Latch output
DA input
tS
DA clock
1.3V
100%
DA output
50%
0%
tPD
tH
tPD (DA)
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