ISL5640 Datasheet, PDF (4/11 Pages) Intersil Corporation – 3V Dual 8-Bit, 20/40/60MSPS A/D Converter with Internal Voltage Reference

ISL5640
Pin Descriptions
PIN NO.
NAME
DESCRIPTION
1
A_GND Analog Ground
2
I_IN+
I-Channel Positive Analog Input
3
I_IN-
I-Channel Negative Analog Input
4
DFS Data Format Select (Low for Offset
Binary and High for Twos Complement
Output Format)
5
IV_RIN I-Channel Voltage Reference Input
6
V_ROUT +1.25V Reference Voltage Output
(Decouple with 0.1µF Capacitor)
7
QV_RIN Q-Channel Voltage Reference Input
8
S1
Mode Select Pin 1 (See Table)
9
S2
Mode Select Pin 2 (See Table)
10
Q_IN- Q-Channel Negative Analog Input
11
Q_IN+ Q-Channel Positive Analog Input
12
A_GND Analog Ground
13
AV_CC Analog Supply
14
QCLK Q-Channel Clock Input
15
DV_CC Digital Supply
16
D_GND Digital Ground
17
QD7 Q-Channel, Data Bit 7 Output (MSB)
18
QD6 Q-Channel, Data Bit 6 Output
19
QD5 Q-Channel, Data Bit 5 Output
20
QD4 Q-Channel, Data Bit 4 Output
21
QD3 Q-Channel, Data Bit 3 Output
22
QD2 Q-Channel, Data Bit 2 Output
23
QD1 Q-Channel, Data Bit 1 Output
Pin Descriptions (Continued)
PIN NO.
NAME
DESCRIPTION
24
QD0 Q-Channel, Data Bit 0 Output (LSB)
25
N/C No Connect
26
N/C No Connect
27
D_GND Digital Ground
28
DV_CC Digital Supply
29
A_GND Analog Ground
30
AV_CC Analog Supply
31
AV_CC Analog Supply
32
A_GND Analog Ground
33
DV_CC Digital Supply
34
D_GND Digital Ground
35
N/C No Connect
36
N/C No Connect
37
ID0
I-Channel, Data Bit 0 Output
38
ID1
I-Channel, Data Bit 1 Output
39
ID2
I-Channel, Data Bit 2 Output
40
ID3
I-Channel, Data Bit 3 Output
41
ID4
I-Channel, Data Bit 4 Output
42
ID5
I-Channel, Data Bit 5 Output
43
ID6
I-Channel, Data Bit 6 Output
44
ID7
I-Channel, Data Bit 7 Output (MSB)
45
D_GND Digital Ground
46
DV_CC Digital Supply
47
ICLK I-Channel Clock Input
48
AV_CC Analog Supply
3-4