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Part Number: ICL7135C
Description: The ICL7135C and TLC7135C converters are manufactured with Texas Instruments highly efficient CMOS technology. These 4 ...
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ICL7135C
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DataSheet
General Description
ICL7135C General Description
The ICL7135C and TLC7135C converters are manufactured with Texas Instruments highly efficient CMOS technology. These 4 1/2-digit, dual-slope-integrating, analog-to-digital converters (DACs) are designed to provide interfaces to both a microprocessor and a visual display. The digit-drive outputs D1 through D4 and multiplexed binary-coded-decimal outputs B1, B2, B4, and B8 provide an interface for LED or LCD decoder/drivers as well as microprocessors.
The ICL7135C and TLC7135C offer 50-ppm (one part in 20,000) resolution with a maximum linearity error of one count. The zero error is less than 10
µV and zero drift is less than 0.5 µV/°C. Source-impedance errors are minimized by low input current (less than 10 pA). Rollover error is limited to
± 1 count.
The BUSY, STROBE, RUN/,HOLD, OVER RANGE, and UNDER RANGE control signals support microprocessor-based measurement systems. The control signals also can support remote data acquisition systems with data transfer through universal asynchronous receiver transmitters (UARTs).
The ICL7135C and TLC7135C are characterized for operation from 0°C to 70°C.
ICL7135C Maximum Ratings
Supply voltage (VCC+with respect to VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Analog input voltage (IN or IN+) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCCto VCC+
Reference voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VCCto VCC+
Clock input voltage range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 V to VCC+
Operating free-air temperature range, TA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 70
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65 to 150
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: N package . . . . . . . . . . . . . . . . . . . . 260
Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under "recommended operating conditi ons" is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
ICL7135C Features
Zero Reading for 0-V Input
Precision Null Detection With True Polarity
at Zero
1-pA Typical Input Current
True Differential Input
Multiplexed Binary-Coded-Decimal (BCD)
Output
Low Rollover Error: ±1 Count Max
Control Signals Allow Interfacing With
UARTs or Microprocessors
Autoranging Capability With Over-and
Under-Range Signals
TTL-Compatible Outputs
Direct Replacement for Teledyne TSC7135,
Intersil ICL7135, Maxim ICL7135, and
Siliconix Si7135
CMOS Technology
Precision Null Detection With True Polarity
at Zero
1-pA Typical Input Current
True Differential Input
Multiplexed Binary-Coded-Decimal (BCD)
Output
Low Rollover Error: ±1 Count Max
Control Signals Allow Interfacing With
UARTs or Microprocessors
Autoranging Capability With Over-and
Under-Range Signals
TTL-Compatible Outputs
Direct Replacement for Teledyne TSC7135,
Intersil ICL7135, Maxim ICL7135, and
Siliconix Si7135
CMOS Technology
ICL7135C Connection Diagram
ICL7135C
PDF/DataSheet Download
- Datasheet: ICL7135C
- File Size: 150377 KB
- Manufacturer: TI [Texas Instruments]
- Click here to Download
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