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MAX7129
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MAX7129

  • Category:Driver chip
  • Product Name:Low noise, 4 1/2 bit, monolithic ADC with multiplexed LCD driver Microchip Centennial Company distributor exclusively for original source of goods
  • Manufacturers:MAXIM
  • Production Batch Number:12+
  • Encapsulation:PLCC-44
  • Stock Status:There is stock
  • Stock Quantity:30000
  • Minimum order quantity: 1
  • Details:Click here to find PDF information on the MAX7129
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  • Product introduction

The MAX7129 low-noise, 4 1/2-bit, monolithic ADC with multiplexed LCD driver

description

Maxim's ICL7129A/MAX7129 are high-precision monolithic 4-1-/2-bit A/D converters that directly drive a multiplexed liquid crystal display. Using a new "continuous integration" technique, the ICL7129A/MAX7129 ± 20,000 count resolution in the 2.00000V and 200.00mV ranges. It has high impedance differential inputs, excellent differential linearity, true ratio operation, and automatic polarity. The only external active component that needs to be made to an accurate DVM/DPM is a reference. Overrange and underrange output and 10:1 range change input easy auto-tuning system design. The ICL7129A/MAX7129 detect and flag low-battery status, and also check for continuity, giving a visual indication and logic-level output that can be used to generate audio signals.

The MAX7129 features 0.0005% full-scale accuracy, 10μV resolution, zero readout drift of 0.5μV/°C, input bias of up to 10pA, and rollover error of less than 1 count. Maxim has reduced the noise of the ICL7129A by 3μV, significantly lower than the MAX7129.

Key features

  • ± 19,999 count resolution
  • 10pA Maximum Input Bias Current (MAX7129)
  • 3μV Peak-to-Peak Noise (ICL7129A)
  • On-board complex LCD display drives 4-1/2 digits, decimal point 4, 3 digit alarms
  • Instant continuity detection
  • Battery low voltage detectors and indicators
  • Overrange/underrange output
  • Precise 10:1 range selection
  • 10μV resolution
  • Significantly improved ESD protection
  • Monolithic, low-power CMOS design
  • No compensation capacitors are required

100 years of microchipsThe company's agents exclusively supply the original source

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