AD10242
P IN FUNCTIO N D ESCRIP TIO NS
P in No.
Nam e
Function
Internal Ground Shield between channels.
A Channel Ground. A and B grounds should be connected as close to the device as possible.
Unipolar Negative.
1
SHIELD
GNDA
UNEGA
UCOMA
2, 5, 9–11, 26–27
3
4
Unipolar Common.
6
7
8
12
13
14
15–16
A
A
A
INA1
INA2
INA3
Analog Input for A side ADC (nominally ±0.5 V).
Analog Input for A side ADC (nominally ±1.0 V).
Analog Input for A side ADC (nominally ±2.0 V).
Unipolar Positive.
Analog Negative Supply Voltage (nominally –5.0 V or –5.2 V).
Analog Positive Supply Voltage (nominally +5.0 V).
No Connect.
UPOSA
AVEE
AVCC
NC
17–25, 31–33
28
29
30
D0A–D11A
ENCODEA
ENCODEA
DVCC
Digital Outputs for ADC A. D0 (LSB).
ENCODE is complement of ENCODE.
Data conversion initiated on rising edge of ENCODE input.
Digital positive supply voltage (nominally +5.0 V).
No Connect.
34–35
NC
36–42, 45–49
43–44, 53–54
58–61, 65, 68
D0B–D11B
GNDB
Digital Outputs for ADC B. D0 (LSB).
B Channel Ground. A and B grounds should be connected as close to the device
as possible.
50
51
52
55
56
57
62
63
64
66
67
DVCC
Digital Positive Supply Voltage (nominally +5.0 V).
Data conversion initiated on rising edge of ENCODE input.
ENCODE is complement of ENCODE.
Unipolar Common.
Unipolar Negative.
Unipolar Positive.
Analog Input for B side ADC (nominally ±0.5 V).
Analog Input for B side ADC (nominally ±1.0 V).
Analog Input for B side ADC (nominally ±2.0 V).
Analog Positive Supply Voltage (nominally +5.0 V).
Analog Negative Supply Voltage (nominally –5.0 V or –5.2 V).
ENCODEB
ENCODEB
UCOMB
UNEGB
UPOSB
A
A
A
INB1
INB2
INB3
AVCC
AVEE
P IN CO NFIGURATIO N
68-Lead Ceram ic Leaded Chip Carrier
4
9
8
7
6
5
3
2
1 68 67 66 65 64 63 62 61
10
11
12
13
14
GNDA
GNDA
60
59
GNDB
GNDB
PIN 1
UPOSA
58
57
56
55
54
53
52
51
50
49
48
GNDB
AV
EE
UPOSB
UNEGB
AV
CC
15
16
17
18
19
20
NC
NC
UCOMB
GNDB
AD10242
(LSB) D0A
D1A
GNDB
TOP VIEW
(Not to Scale)
ENCODEB
D2A
ENCODEB
D3A
DV
CC
21
22
23
24
25
26
D4A
D11B (MSB)
D10B
D5A
D6A
47
46
45
44
D9B
D7A
D8B
D8A
D7B
GNDA
GNDB
28 29 30 31
42
43
27
32 33 34 35 36 37 38 39 40 41
NC = NO CONNECT
REV. A
–5–
ADI [ ADI ]
