High-Performance, Stand-Alone ADCs for a Variety of Embedded Systems Applications
10 ADC Converter Function Pack Design Guide
ADC Converter Function Pack Design Guide 11
High-Performance, Stand-Alone ADCs for a Variety of Embedded Systems Applications
With a complete data acquisition system on-chip, these
devices directly drive multiplexed, liquid crystal displays (LCDs).
The TC7107A drives common anode light emitting diode
(LED) displays directly with 8 mA per segment. Seven segment
decoders, digit and polarity drivers, voltage references, and
clock circuits are all integrated on the chips.
A low-cost, high-resolution indicating meter requires only a
display and a handful of resistors and capacitors. 3 digit
and 4 digit options, along with extended features and power
options, make the TC711X, TC712X, and TC713X devices
ideal for multimeters and digital measurement devices.
ADC BY ARCHITECTURE –
3 and 4-DIGIT ADCs WITH SEGMENT DRIVE
TC71XX Applications:
n Full-featured Multimeters n Bridge Readouts
n Digital Measurement Devices n Portable Instrumentation
TC71XX Key Features:
n Internal References with Low Temperature Drift
- TC7126: 80 ppm/°C Typical
- TC7117: 20 ppm/°C Typical
n Directly Drives LCD or LED display
n Convenient 9V Battery Operation
- TC7116/TC7136/TC7126
n Differential Input Operation
n Industrial Temperature Range: -40°C to 85°C
ADC Product Specifications
Part
Display
Type
Supply
Voltage
(V)
Resolution
(Digits)
Resolution
(Counts)
Power
(mV)
Temp.
Range
(°C) Features Packages
TC7106A LCD 9 3.5 Digit High
Power LCD
±2,000 10 -25 to +85 For DMM, DPM, Data logger
applications
40 PDIP, 44 PLCC,
44 PQFP, 40 CerDIP
TC7107A LED ±5 3.5 ±2,000 10 -25 to +85 For DMM, DPM, Data logger
applications
40 PDIP, 44 PLCC,
44 PQFP, 40 CerDIP
TC7116A LCD 9 3.5 with Hold ±2,000 10 -25 to +85 Hold function 40 PDIP, 44 PLCC,
44 PQFP, 40 CerDIP
TC7117A LED ±5 3.5 ±2,000 10 -25 to +85 Hold function 40 PDIP, 44 PLCC,
44 PQFP, 40 CerDIP
TC7126A LCD 9 3.5 ±2,000 0.5 -25 to +85 Low Power TC7106 40 PDIP, 44 PLCC,
44 PQFP, 40 CerDIP
TC7129 LCD 9 4.5 with LCD ±20,000 0.5 0 to +70 Lowest noise ±3 mV sensitivity 40 PDIP, 44 PLCC,
44 PQFP, 40 CerDIP
TC7136A LCD 9 3.5 Digit Low
Power
±2,000 0.5 0 to +70 Low-power Noise TC7106 40 PDIP, 44 PLCC,
44 PQFP, 40 CerDIP
TC820 LCD 9 3.75 ±4,000 10 0 to +70 DMM plus frequency counter
and logic probe
40 PDIP, 44 PLCC,
44 PQFP, 40 CerDIP
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