AME, Inc.

4

AME7106/AME7106A/AME7106R

AME7107/AME7107A/AME7107R

3-1/2 Digit A/D Converter

High Accuracy, Low Power

n

n

n

n

Notes: 1. Input voltage may exceed the supply voltages provided the input current is limited to ±100

µA.

2. Dissipation rating assumes a device is mounted with all leads soldered to printed circuit board.

Parameter

Conditions

Min

Typ

Max

Unit

Vin = 0V

0

Digital Reading

Full-Scale = 200.0mV

Ratiometric Reading

Vin = Vref = 100.0mV

999

999/1000

1000

Digital Reading

Roll-Over Error

-1

–0.2

+1

Counts

(Difference in Reading for

Equal Positive and Negative

Reading Near Full-Scale)

Linearity (Max. Deviation

Full-Scale = 200.0mV

-1

–0.2

+1

Counts

From Best Straight Line Fit)

Common-Mode

Vcm = –1V, Vin =0V

50

µV/V

Rejection Ratio

Full-Scale = 200.0mV

Noise (Pk-Pk Value Not

Vin = 0V

15

µV

Exceeded 95% of Time)

Full-Scale = 200.0mV

Leakage Current at Input

Vin = 0V

1

10

pA

Zero Reading Drift

Vin = 0V, 0

1

µV/

Supply Current

Vin = 0V

0.8

1.2

mA

(Excluding LED current

for 7107)

Analog Common Voltage

25K

Ω Between

2.8

3.0

3.2

V

(With respect to V+)

Common and V+

Temp. Coeff. of Analog

25K

Ω Between

50

75

ppm/

Common (With respect to V+)

Common and V+

0

Low Battery Flag

V+ to V-

6.3

7.0

7.7

V

Test Pin Voltage

With respect to V+

4

5

6

V

(AME7106 only)

LCD Segment Drive Voltage

V+ to V- = 9V

4

5

6

V

(AME7106 only)

Backplane Drive Voltage

V+ to V- = 9V

4

5

6

V

(AME7106 only)

Segment Sinking Current

V+ = 5.0V

5

8.0

mA

(Except Segment AB4)

Segment Voltage = 3V

(AME7107 only)

Segment Sinking Current

V+ = 5.0V

10

16

mA

(Segment AB4)

Segment Voltage = 3V

(AME7107 only)

-Vin=+Vin

≈200.0mV

Zero Input Reading