ICL7136 datasheet(3/15 Pages) INTERSIL

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FN3086.6

July 21, 2005

Absolute Maximum Ratings

Thermal Information

Supply Voltage

ICL7136, V+ to V-. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15V

Analog Input Voltage (Either Input) (Note 1) . . . . . . . . . . . . V+ to V-

Reference Input Voltage (Either Input). . . . . . . . . . . . . . . . . V+ to V-

Clock Input

ICL7136 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TEST to V+

Operating Conditions

Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C

Thermal Resistance (Typical, Note 2)

θJA (°C/W)

PDIP Package* . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MQFP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C

Maximum Storage Temperature Range . . . . . . . . . . .-65oC to 150°C

Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C

(MQFP - Lead Tips Only)

*Pb-free PDIPs can be used for through hole wave solder

processing only. They are not intended for use in Reflow solder

processing applications.

CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the

device at these or any other conditions above those indicated in the operational sections of this specification is not implied.

NOTES:

1. Input voltages may exceed the supply voltages provided the input current is limited to

±100µA.

θJA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.

Electrical Specifications

(Note 3)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNITS

SYSTEM PERFORMANCE

Zero Input Reading

VIN = 0V, Full Scale = 200mV

-000.0

±000.0

+000.0

Digital

Reading

Ratiometric Reading

VlN = VREF, VREF = 100mV

999

999/

1000

Digital

Reading

Rollover Error

-VIN = +VlN ≅ 200mV Difference in Reading for Equal Positive

and Negative Inputs Near Full Scale

±0.2

±1

Counts

Linearity

Full Scale = 200mV or Full Scale = 2V Maximum

Deviation from Best Straight Line Fit (Note 5)

±0.2

±1

Counts

Common Mode Rejection Ratio

VCM = ±1V, VIN = 0V, Full Scale = 200mV (Note 5)

µV/V

Noise

VIN = 0V, Full Scale = 200mV (Peak-To-Peak Value Not

Exceeded 95% of Time) (Note 5)

-15

µV

Leakage Current Input

VlN = 0V (Note 5)

Zero Reading Drift

VlN = 0V, 0°C To 70°C (Note 5)

0.2

µV/°C

Scale Factor Temperature Coefficient

VIN = 199mV, 0°C To 70°C, (Ext. Ref. 0ppm/×°C) (Note 5)

ppm/°C

COMMON Pin Analog Common Voltage

25k

Ω Between Common and Positive Supply (With Respect

to + Supply)

2.4

3.0

3.2

Temperature Coefficient of Analog

Common

25k

Ω Between Common and Positive Supply (With Respect

to + Supply) (Note 5)

150

ppm/°C

SUPPLY CURRENT

V+ Supply Current

VIN = 0 (Does Not Include Common Current) 16kHz

Oscillator (Note 6)

100

µA

DISPLAY DRIVER

Peak-To-Peak Segment Drive Voltage and

Peak-To-Peak Backplane Drive Voltage

V+ to V- = 9V (Note 4)

5.5

NOTES:

3. Unless otherwise noted, specifications apply to the ICL7136 at TA = 25°C, fCLOCK = 48kHz. ICL7136 is tested in the circuit of Figure 1.

4. Back plane drive is in phase with segment drive for “off“ segment, 180 degrees out of phase for “on“ segment. Frequency is 20 times conversion rate.

Average DC component is less than 50mV.

5. Not tested, guaranteed by design.

6. 48kHz oscillator increases current by 20

µA (Typ).

ICL7136

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