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ADS1251

Features: ` 24 BITS-NO MISSING CODES` 19 BITS EFFECTIVE RESOLUTION UP TO 20kHz DATA RATE` LOW NOISE: 1.5ppm` DIFFERENTIAL INPUTS` INL: 15ppm (max)` EXTERNAL REFERENCE (0.5V to 5V)` POWER-DOWN MODE` SYNC MODE` LOW POWER: 8mW at 20kHz 5mW at 10kHzApplication· CARDIAC DIAGNOSTICS· DIRECT THERMOCOUPLE...

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SeekIC No. : 004277028 Detail

ADS1251: Features: ` 24 BITS-NO MISSING CODES` 19 BITS EFFECTIVE RESOLUTION UP TO 20kHz DATA RATE` LOW NOISE: 1.5ppm` DIFFERENTIAL INPUTS` INL: 15ppm (max)` EXTERNAL REFERENCE (0.5V to 5V)` POWER-DOWN MODE` ...

ADS1251 Data Sheet

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Part Number:
ADS1251
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` 24 BITS-NO MISSING CODES
` 19 BITS EFFECTIVE RESOLUTION UP TO 20kHz DATA RATE
` LOW NOISE: 1.5ppm
` DIFFERENTIAL INPUTS
` INL: 15ppm (max)
` EXTERNAL REFERENCE (0.5V to 5V)
` POWER-DOWN MODE
` SYNC MODE
` LOW POWER: 8mW at 20kHz 5mW at 10kHz


Application

· CARDIAC DIAGNOSTICS
· DIRECT THERMOCOUPLE INTERFACES
· BLOOD ANALYSIS
· INFRARED PYROMETERS
· LIQUID/GAS CHROMATOGRAPHY
· PRECISION PROCESS CONTROL


Pinout

Connection Diagram


Specifications

Analog Input: Current ............................................... ±100mA, Momentary
±10mA, Continuous
                        Voltage .................................... GND 0.3V to VDD + 0.3V
VDD to GND ............................................................................ 0.3V to 6V
VREF Voltage to GND ...............................................  0.3V to VDD + 0.3V
Digital Input Voltage to GND ...................................  0.3V to VDD + 0.3V
Digital Output Voltage to GND .................................  0.3V to VDD + 0.3V
Operating Temperature ....................................................  40°C to 85°C
Lead Temperature (soldering, 10s) .............................................. +300°C
Power Dissipation ..........................................................................500mW


Description

The ADS1251 is a precision, wide dynamic range, deltasigma, Analog-to-Digital (A/D) converter with 24-bit resolution operating from a single +5V supply. The delta-sigma architecture features wide dynamic range, and 24 bits of no missing code performance. Effective resolution of 19 bits (1.5ppm of rms noise) is achieved at conversion rates up to 20kHz.

The ADS1251 is designed for high-resolution measurement applications in cardiac diagnostics, smart transmitters, industrial process control, weigh scales, chromatography, and portable instrumentation. The converter includes a flexible, 2-wire synchronous serial interface for low-cost isolation.

The ADS1251 is a single-channel converter and is offered in an SO-8 package. It is pin-compatible with the faster ADS1252(41.7kHz data rate).




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