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參數(shù)資料
| 型號： | XRD9827EVAL |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 13/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | EVAL BOARD FOR XRD9827 |
| 標準包裝： | 1 |
| 系列： | * |
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XRD9827
20
Rev. 3.00
Internal CIS Reference Circuit (DB 4 = 1)
The XRD9827 has an internal register reserved for
interfacing to the Canon CIS model number CVA-
60216K. When this register is selected, the VDCEXT
(Pin 16) becomes an output voltage of 1.24 volts. This
voltage can be directly connected to the VREF (Pin 5)
of the Canon sensor. This reduces the amount of
Figure 10. Typical Application Circuitry Internal CIS Reference Circuit Mode
CANON CIS Sensor, Model #CVA=60216k
components needed for biasing the Canon CIS sensor
(the external diodes and resistors typically used in this
application have been included inside the XRD9827 for
this mode of operation). Below is a typical application
circuit using the XRD9827 and the Canon CVA-60216K
CIS sensor.
AGND
DVDD (3V - 5V)
VCC (5V)
AVDD
DGND
AGND
DGND
DVDD (3V - 5V)
ASIC
DIGITAL
N/C
CANON CIS
SENSOR
0
.1
u
F
0
.0
1
u
F
0.1uF
0
.0
1
u
F
0
.1
u
F
XRD9827
DVDD
1
DB0
2
DB1
3
DB2
4
DB3
5
DB4
6
DB5/SCLK
7
DB6/SDATA
8
DB7/LD
9
DGND
10
ADCCLK
11
CLAMP
12
SYNCH
13
AGND
14
VREF+
15
VDCEXT
16
BLU
17
GRN
18
RED
19
AVDD
20
CVA-60216K
VOUT
1
MODE
2
AGND
3
VCC
4
VREF
5
SP
6
CLK
7
LED COM
8
LED BLU
9
LED GRN
10
LED RED
11
FGND
12
1
0
K
1
0
K
1
0
K
47uF
4
7
u
F
NPN
0.01uF
100uF
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