ICL7117CSLASHD datasheet(4/8 Pages) MAXIM

4 / 8 page

Specifications below satisfy or exceed all ‘tested’ parameters on adjacent page V+ = 9V, TA = +25ºC, fCLOCK = 48kHz; test circuit =

Figure 1 (ICL7116), Figure 2 (ICL7117), unless otherwise noted.)

Note 7: Test condition is VIN applied between pins IN HI and IN LO i.e., 1MΩ resistor in Figure 1 and Figure 2.

Note 8: All pins are designed to withstand electrostatic discharge (ESD) levels in excess of 2000V (Test circuit per MIL. Std. 883C.

Method 3015 2).

Note 9: Input voltages may exceed the supply voltage provided the input current is limited to ±1mA (This revises Note 1 on the

adjacent page).

Note 10: Number of measurement cycles for display to give accurate reading.

Note 11: 1MΩ resistor is removed in Figure 1 and Figure 2.

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Common-Mode Rejection Ratio (Note 4)

VCM = ±1V, VIN = 0V

Full Scale = 200.00mV

µV/V

Noise (Pk-Pk Value Not Exceeded 95%

of the Time)

VIN = 0V

Full Scale = 200.00mV

µV

Input Leakage Current

VIN = 0V, TA = +25°C (Note 7)

0°C ≤ TA ≤ +70°C

200

Zero Reading Drift

VIN = 0V, 0°C ≤ TA ≤ +70°C

0.2

µV/°C

Scale Factor Temperature Coefficient

VIN = 199.0mV

0°C ≤ TA ≤ +70°C

(Ext. Ref. 0ppm/°C)

ppm/°C

V+ Supply Current (Does Not Include LED

Current for ICL7117)

VIN = 0V, TA = +25°C

0.8

1.8

0°C ≤ TA ≤ +70°C

V- Supply Current for ICL7117 Only

0.6

1.8

Analog Common Voltage (With Respect to

Positive Supply)

25Ω Between Common and Positive Supply

2.4

2.8

3.2

Temperature Coefficient of Analog Common

(With Respect to Pos. Supply)

25Ω Between Common and Positive Supply

ppm/°C

Input Resistance, Pin 1 (Note 6)

kΩ

VIL, Pin 1 (ICL7116 Only)

TEST + 1.5

VIL, Pin 1 (ICL7117 Only)

GND + 1.5

VIH, Pin 1 (Both)

V+ - 1.5

ICL7116 Only (Note 5)

Pk-Pk Segment Drive Voltage,

Pk-Pk Backplane Drive Voltage

V+ to V- = 9V

ICL7117 Only (Except Pin 19) Segment

Sinking Current

V+ = 5.0V

Segment Voltage = 3V

8.0

(Pin 19 Only)

ICL7116 Only – Test Pin Voltage

With respect to V+

Overload Recovery Time

(Note 10)

VIN changing from ±10V to 0V

Measur-

ement

Cycles

ICL7116/ICL7117

3½ Digit ADCs with Display Hold

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Electrical Characteristics (continued)

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