Download Datasheets TC7136 Device 
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Home - Analog & Interface Products - Mixed Signal Devices - Display A/D Converters - TC7136 Device, download datasheet

Download Datasheets TC7136 Device

The TC7136 and TC7136A are low-power,3-1/2 digit with liquid crystal display (LCD)drivers with analog-to-digital converters.These devices incorporate an "integrator output zero"phase which guarantees overrange recovery.The performance of existing TC7126,TC7126A and ICL7126-based systems may be upgraded with minor changes to external,passive components. The TC7136A has an improved internal zener reference voltage circuit which maintains the analog common temperature drift to 35ppm/C (typical)and 75 ppm/C (maximum).This represents an improvement of two to four times over similar 3-1/2 digit converters.The costly,space-consuming external reference source may be removed. The TC7136/A limits linearity error to less than 1 count on 200mV or 2V full-scale ranges.Roll-over error the difference in readings for equal magnitude but opposite polarity input signals is below 1 count. High-impedance differential inputs offer 1 pA leakage currents and a 10 12 &8486; input impedance.The differential reference input allows ratiometric measurements for ohms or bridge transducer measurements.The 15 VP-P noise performance guarantees a "rock solid" reading.The auto-zero cycle guarantees a zero display readout for a 0V input.

Datasheet and Other Documentation

Detailed Content

Lit. Number



TC7136/136A Datasheet


Download TC7136/136A Datasheet


In Production

Specification Chart

Display Type

Supply Voltage (V)

Resolution (Digits)

Resolution (Counts)

Power (mW)



3 1/2



Additional Features

Resolution on 200 mV Scale: 10A
True Differential Input and Reference
Low Power Consumption: 500 A at 9V
Direct LCD Driver for 4-1/2 Digits, Decimal Points
Low-Battery Indicator, and Continuity Indicator
Overrange and Underrange Outputs
Range Select Input: 10:1
High Common-Mode Rejection Ratio: 110dB
External Phase Compensation Not Required

Package Options

40 PDIP(P), 44 PLCC(L), 44 PQFP(QF), 2008-2015 - download datasheets