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ADS8344N +BOM

16 Bit Analog to Digital Converter 4, 8 Input 1 SAR 20-SSOP

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ADS8344N General Description

The ADS8344 is an 8-channel, 16-bit, sampling Analog-to-Digital (A/D) converter with a synchronous serial interface. Typical power dissipation is 10mW at a 100kHz throughput rate and a +5V supply. The reference voltage (VREF) can be varied between 500mV and VCC , providing a corresponding input voltage range of 0V to VREF . The device includes a shutdown mode that reduces power dissipation to under 15µW. The ADS8344 is tested down to 2.7V operation.

Low power, high speed, and an on-board multiplexer make the ADS8344 ideal for battery-operated systems such as personal digital assistants, portable multi-channel data loggers, and measurement equipment. The serial interface also provides low-cost isolation for remote data acquisition. The ADS8344 is available in a QSOP-20 or SSOP-20 package and is ensured over the –40°C to +85°C temperature range.

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Key Features

  • PIN FOR PIN WITH ADS7844
  • SINGLE SUPPLY: 2.7V to 5V
  • 8-CHANNEL SINGLE-ENDED OR 4-CHANNEL DIFFERENTIAL INPUT
  • UP TO 100kHz CONVERSION RATE
  • 84dB SINAD
  • SERIAL INTERFACE
  • QSOP-20 AND SSOP-20 PACKAGES
  • APPLICATIONS
    • DATA ACQUISITION
    • TEST AND MEASUREMENT EQUIPMENT
    • INDUSTRIAL PROCESS CONTROL
    • PERSONAL DIGITAL ASSISTANTS
    • BATTERY-POWERED SYSTEMS

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Specifications

Resolution (Bits) 16 Sample rate (max) (ksps) 100
Number of input channels 8 Interface type SPI
Architecture SAR Input type Pseudo-Differential, Single-ended
Multichannel configuration Multiplexed Rating Catalog
Reference mode External Input voltage range (max) (V) 5.25
Input voltage range (min) (V) 0 Operating temperature range (°C) -40 to 85
Power consumption (typ) (mW) 3.2 Analog supply (min) (V) 2.7
Analog supply voltage (max) (V) 5.25 SNR (dB) 89
Digital supply (min) (V) 2.7 Digital supply (max) (V) 5.25
Pin Count 20 Released Date Apr 16, 2015
Last Modified Date Mar 7, 2023 4:10 PM UTC

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