
3
Typical Application Schematic
Pin Descriptions
HI5746
ARE PLACED AS CLOSE
10
F AND 0.1F CAPS
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
BNC
CLOCK
VIN+
10
F
0.1
F10F
+
2.5V
2.0V
VIN-
DGND
AGND
VREF- (8)
VREF+ (7)
VIN- (10)
CLK (22)
DFS (15)
DGND1 (4)
DGND2 (21)
DGND1 (2)
AGND (6)
AGND (12)
VIN+ (9)
(1) DVCC1
VDC (11)
(LSB) (28) D0
(27) D1
(26) D2
(25) D3
(24) D4
(20) D5
(19) D6
(18) D7
(17) D8
(MSB) (16) D9
(5) AVCC
(13) AVCC
(23) DVCC2
(3) DVCC1
TO PART AS POSSIBLE
OE (14)
0.1
F
+5V
(OPTIONAL)
PIN NO.
NAME
DESCRIPTION
1
DVCC1
Digital Supply (+5.0V).
2
DGND1
Digital Ground.
3
DVCC1
Digital Supply (+5.0V).
4
DGND1
Digital Ground.
5
AVCC
Analog Supply (+5.0V).
6
AGND
Analog Ground.
7
VREF+
+2.5V Positive Reference Voltage
Input.
8
VREF-
+2.0V Negative Reference Voltage
Input (Optional).
9
VIN+
Positive Analog Input.
10
VIN-
Negative Analog Input.
11
VDC
DC Bias Voltage Output.
12
AGND
Analog Ground.
13
AVCC
Analog Supply (+5.0V).
14
OE
Digital Output Enable Control Input.
15
DFS
Data Format Select Input.
16
D9
Data Bit 9 Output (MSB).
17
D8
Data Bit 8 Output.
18
D7
Data Bit 7 Output.
19
D6
Data Bit 6 Output.
20
D5
Data Bit 5 Output.
21
DGND2
Digital Ground.
22
CLK
Sample Clock Input.
23
DVCC2
Digital Output Supply
(+3.0V or +5.0V).
24
D4
Data Bit 4 Output.
25
D3
Data Bit 3 Output.
26
D2
Data Bit 2 Output.
27
D1
Data Bit 1 Output.
28
D0
Data Bit 0 Output (LSB).
PIN NO.
NAME
DESCRIPTION
HI5746