AME, Inc.
AME7106/AME7106A/AME7106R
AME7107/AME7107A/AME7107R
3-1/2 Digit A/D Converter
High Accuracy, Low Power
n
Electrical Characteristics
Unless otherwise noted, AME7106 & AME7107 are specified at T
A
= 25
O
C
, f
clock
= 48KHz. Supply voltage = 9V (V+ to V-)
Parameter
Zero Input Reading
Ratiometric Reading
Roll-Over Error
(Difference in Reading for
Equal Positive and Negative
Reading Near Full-Scale)
Linearity (Max. Deviation
From Best Straight Line Fit)
Common-Mode
Rejection Ratio
Noise (Pk-Pk Value Not
Exceeded 95% of Time)
Leakage Current at Input
Zero Reading Drift
Supply Current
(Excluding LED current
for 7107)
Analog Common Voltage
(With respect to V+)
Temp. Coeff. of Analog
Common (With respect to V+)
Low Battery Flag
Test Pin Voltage
(AME7106 only)
LCD Segment Drive Voltage
(AME7106 only)
Backplane Drive Voltage
(AME7106 only)
Segment Sinking Current
(Except Segment AB4)
(AME7107 only)
Segment Sinking Current
(Segment AB4)
(AME7107 only)
Conditions
Vin = 0V
Full-Scale = 200.0mV
Vin = Vref = 100.0mV
Min
Typ
0
Max
Unit
Digital Reading
999
-1
999/1000
–0.2
1000
+1
Digital Reading
Counts
-Vin=+Vin
≈
200.0mV
Full-Scale = 200.0mV
Vcm = –1V, Vin =0V
Full-Scale = 200.0mV
Vin = 0V
Full-Scale = 200.0mV
Vin = 0V
Vin = 0V, 0
O
C to 70
O
C
Vin = 0V
-1
–0.2
50
15
1
0.2
0.8
+1
Counts
µ
V/V
µ
V
10
1
1.2
pA
O
µ
V/ C
mA
25K
Ω
Between
Common and V+
25K
Ω
Between
Common and V+
0
O
C
≤
TA
≤
70
O
C
V+ to V-
With respect to V+
V+ to V- = 9V
V+ to V- = 9V
V+ = 5.0V
Segment Voltage = 3V
V+ = 5.0V
Segment Voltage = 3V
2.8
3.0
50
3.2
75
V
ppm/
O
C
6.3
4
4
4
5
7.0
5
5
5
8.0
7.7
6
6
6
V
V
V
V
mA
10
16
mA
Notes: 1. Input voltage may exceed the supply voltages provided the input current is limited to ±100µA.
2. Dissipation rating assumes a device is mounted with all leads soldered to printed circuit board.
4
AME [ ANALOG MICROELECTRONICS ]
