Analog Microelectronics, Inc.
3-1/2 Digit A/D Converter - Low Power
With HOLD And Differential Reference Inputs
AME811/AME811A/AME811R
n Pin Description
40-pin DIP 40-pin DIP 44-pin PQFP Symbol
Pin Number (Reverse) Pin Number
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
¢w
26
27
(40)
(39)
(38)
(37)
(36)
(35)
(34)
(33)
(32)
(31)
(30)
(29)
(28)
(27)
(26)
(25)
(24)
(23)
(22)
(21)
(20)
(19)
(18)
(17)
(16)
8
9
HOLD
D1
C1
B1
A1
F1
G1
E1
D2
C2
B2
A2
F2
E2
D3
B3
HOLD pin, Logic 1, Holds Display
Units-digit D-segment driver
Units-digit C-segment driver
Units-digit B-segment driver
Units-digit A-segment driver
Units-digit F-segment driver
Units-digit G-segment driver
Units-digit E-segment driver
Tens-digit D-segment driver
Tens-digit C-segment driver
Tens-digit B-segment driver
Tens-digit A-segment driver
Tens-digit F-segment driver
Tens-digit E-segment driver
Hundreds-digit D-segment driver
Hundreds-digit B-segment driver
Hundreds-digit F-segment driver
Hundreds-digit E-segment driver
Thousands-digit, B&C segments driver
Negative-polarity driver
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
F3
E3
AB4
POL
BP
G3
A3
C3
G2
LB
LCD backplane driver
Hundreds-digit G-segment driver
Hundreds-digit A-segment driver
Hundreds-digit C-segment driver
Tens-digit G-segment driver
Low-battery flag segment driver
Negative power supply voltage
Integrator output. Connection point for
integration capacitor.
(15)
(14)
V-
INT
28
29
30
31
32
33
(13)
(12)
(11)
(10)
(9)
36
37
38
39
40
41
BUF
A/Z
INLO
INHI
COM
VREF-
Integrator resistor connection-point.
Auto-zero capacitor connection-point
Analog-input low
Analog-input high
Analog-common
(8)
Analog-reference input, negative terminal
5
AME [ ANALOG MICROELECTRONICS ]
