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DS2450

DS2450 Manufacturer

Maxim

DS2450 Description

1-Wire Quad A/D Converter

DS2450 Categories

16-Bit A/D Converters

DS2450 Datasheet (PDF)

DS2450 Datasheet

DS2450 Price & Availability


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DS2450 Features

  • Four high-impedance inputs to measure analog voltages over the 1-Wire bus
  • User programmable input range (2.56V, 5.12V), resolution (1 to 16 bits) and alarm thresholds
  • 5V single supply operation
  • Very low power: 2.5µW active, 25µW idle
  • Built-in multidrop controller allows multiple DS2450s to be identified and operated on a common 1-Wire bus
  • Responds to Conditional Search if the analog voltage crosses the alarm thresholds
  • Channels not used as analog input can serve as open-drain digital outputs for closed-loop control
  • Directly connects to a single port pin of a microprocessor and communicates at up to 16.3kbps
  • Overdrive mode boosts communication speed to 142kbps
  • Unique, factory-lasered and tested 64-bit registration number assures absolute traceability because no two parts are alike
  • Operating temperature range from -40°C to +85°C
  • Compact, low-cost 8-pin SO surface-mount package

DS2450 Parameters

Package8/SO.208
Resolution (Bits)16
Supply Voltage (V)4.5 to 5.5
Op. Range (°C)-40 to +85
Input Chans.4
Conv. Rate (ksps)1
Max. Conv. Time (µs)1440
Typ. Supply Current (mA)0.5
Typ. Power (mW)2.5
Low Pwr. ModeYes
Stdby ModeYes
Data Bus (Bits)1-Wire®
Ref. (V)Int.
Input Range (V)+2.56
Input Range (V)+5.12
Select parameters and click to see components with these parameters.

 
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