CXA1166K
Pin
No.
Symbol
31 D7
32 D7
29 D6
30 D6
21 D5
22 D5
19 D4
20 D4
14 D3
15 D3
12 D2
13 D2
6 D1
7 D1
4 D0
5 D0
I/O
Standard
voltage level
O
O
O
O
O
ECL
O
O
O
2 OR
3 OR
O
Equivalent circuit
DGND2
16
17
Di
Di
Description
MSB and complementary
MSB output
D1 to D6: Output
D1 to D6: Complementary
output
8
DVEE 28
LSB and complementary
LSB output
Overrange output;
Low level for overrange.
Overrange complementary
output;
High level for overrange.
37, 38,
42, 58,
62, 66,
AVEE∗
67
–5.2V
AGND
61 48 53
43 51 56
DGND2
DGND1
16 17
18
Analog supply.
Internally connected with
DVEE (resistance: 4 to 6Ω).
43, 48,
51, 53, AGND∗
56, 61
8
28
DVEE∗
18 DGND1
0V
–5.2V
0V
Internal
Analog
Circuit
Internal
Digital
Circuit
Di
4 to 6Ω
Di
42 37 58
8 28
62 38 66
DVEE
Analog ground.
Separated from DGND.
Digital supply.
Internally connected with
AVEE (resistance: 4 to 6Ω).
Digital ground
16
17
DGND2∗
0V
67
AVEE
Digital ground for output
drive
41, 44,
45, 46,
47, 57, NC
—
59, 60,
63
No connected.
It is recommended to connect
these pins to AGND.
9, 10,
11, 23,
24, 25, NC
—
26, 27,
36, 68
No connected.
It is recommended to connect
these pins to DGND.
∗ For stable operation, all of these pins must be connected on the corresponding PCB pattern.
–5–