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MAX133CQH+D

Display Drive AD Converter, 40000 Counts, 3.75 Digits, 20 SPS, Differential, Parallel, Dual (+/-)

MAXIM INTEGRATED PRODUCTS MAX133CQH+D
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Manufacturer Part No:
MAX133CQH+D
Order Code:
2513547
Product Range
LCD/LED Display ADCs
Technical Datasheet:
MAX133CQH+D   Datasheet
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Product Range Selector (LCD/LED Display ADCs)

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Product Overview

The MAX133CQH+D is a 3¾ digit DMM circuit in 44 pin PLCC package. It contains an ADC, auxiliary circuitry such as attenuator range switches, a piezoelectric beeper driver, an active filter, a low battery detector, analogue and digital power supplies but it does not include any display drive capability. This integrating ADC for 3¾ digit multimeters & data acquisition systems such as data loggers & weight scales. ADC's internal resolution is ±40000 counts, an extra digit is supplied as a guard digit to allow auto-zero or tare of a 4000 count displayed reading to 1/10 of a displayed count. It has 4bit multiplexed address/data bus. When controlled by microprocessor, IC performs auto-ranging measurement from ±400.0mV to ±4000V full scale. External attenuator resistors are required but range switching is performed by ADC. It reduces component count & system cost by minimizing external components required for analogue portion of the system.
  • Supply voltage range is 0V to 9V, ±5V
  • Operating temperature range from 0°C to 70°C
  • Differential channel with parallel interface
  • Accuracy is 0.025%
  • 20 conversions per second
  • Low external component count
  • 5µV resolution, 100µA operating supply current

Applications

Consumer Electronics, Portable Devices

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
3.75 Digits

:
20SPS

:
Differential

:
Parallel

:
Dual (+/-)

:
0V

:
9V

:
PLCC

:
44Pins

:
0°C

:
70°C

:
LCD/LED Display ADCs

:
-

:
MSL 3 - 168 hours
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Technical Docs (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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