KCW7836
Typical Application Schematic
KCW7836
2.5V
2.0V
(OPTIONAL)
V
V
+ (7)
- (8)
REF
REF
(LSB) (28) D0
D0
D1
D2
D3
D4
D5
D6
D7
D8
D9
(27) D1
(26) D2
(25) D3
(24) D4
(20) D5
(19) D6
(18) D7
(17) D8
AGND (12)
AGND (6)
DGND
AGND
BNC
DGND1 (2)
DGND1 (4)
DGND2 (21)
(MSB) (16) D9
10µF AND 0.1µF CAPS
ARE PLACED AS CLOSE
TO PART AS POSSIBLE
V
+
(1) DV
CC1
V
V
V
+ (9)
(11)
IN
IN
(3) DV
CC1
DC
IN
V
-
- (10) (23) DV
IN
CC2
+5V
+
0.1µF
10µF
CLOCK
CLK (22)
DFS (15)
OE (14)
(13) AV
CC
(5) AV
+5V
CC
+
0.1µF
10µF
Pin Descriptions
PIN NO.
NAME
DESCRIPTION
PIN NO.
NAME
DESCRIPTION
1
2
3
4
5
6
7
DV
CC1
Digital Supply (+5.0V).
Digital Ground.
15
16
17
18
19
20
21
22
23
DFS
D9
Data Format Select Input.
Data Bit 9 Output (MSB).
Data Bit 8 Output.
Data Bit 7 Output.
Data Bit 6 Output.
Data Bit 5 Output.
Digital Ground.
DGND1
DV
CC1
Digital Supply (+5.0V).
Digital Ground.
D8
DGND1
D7
AV
CC
Analog Supply (+5.0V).
Analog Ground.
D6
AGND
D5
V
+
+2.5V Positive Reference Voltage
Input.
DGND2
CLK
REF
Sample Clock Input.
8
V
-
+2.0V Negative Reference Voltage
Input (Optional).
REF
DV
Digital Output Supply
(+3.0V or +5.0V).
CC2
9
V
+
Positive Analog Input.
Negative Analog Input.
DC Bias Voltage Output.
Analog Ground.
IN
24
25
26
27
28
D4
Data Bit 4 Output.
Data Bit 3 Output.
Data Bit 2 Output.
Data Bit 1 Output.
Data Bit 0 Output (LSB).
10
11
12
13
14
V
-
IN
D3
D2
D1
D0
V
DC
AGND
AV
CC
Analog Supply (+5.0V).
Digital Output Enable Control Input.
OE
3