ADS8509-HT High Temp 16-Bit 250kHz CMOS Analog-to-Digital Converter w/Serial Interface 2.5V Internal Ref | TI.com

ADS8509-HT (LIFEBUY) High Temp 16-Bit 250kHz CMOS Analog-to-Digital Converter w/Serial Interface 2.5V Internal Ref

 

Description

The ADS8509 is a complete 16-bit sampling analog-to-digital (A/D) converter using state-of-the-art CMOS structures. It contains a complete 16-bit, capacitor-based, successive approximation register (SAR) A/D converter with sample-and-hold, reference, clock, and a serial data interface. Data can be output using the internal clock or can be synchronized to an external data clock. The ADS8509 also provides an output synchronization pulse for ease of use with standard DSP processors.

The ADS8509 is specified at a 250-kHz sampling rate over the full temperature range. Precision resistors provide various input ranges including ±10 V and 0 V to 5 V, while the innovative design allows operation from a single 5-V supply with power dissipation under 110 mW.

The ADS8509 is available in a 28-pin SSOP package and is fully specified for operation from –40°C to 175°C.

Features

  • 250-kHz Sampling Rate
  • 4-V, 5-V, 10-V, ±3.33-V, ±5-V, and ±10-V Input Ranges
  • ±4.5 LSB Max INL (at 175°C)
  • ±2.2 LSB Max DNL (at 175°C), 16-Bit No Missing Codes
  • SPI Compatible Serial Output with Daisy-Chain (TAG) Feature
  • Single 5-V Supply
  • Pin-Compatible with ADS7809 (Low Speed) and 12-Bit ADS8508/7808
  • Uses Internal or External Reference
  • 87-mW Typ Power Dissipation at 250 KSPS to 5 V, While the
    Innovative Design Allows Operation
  • 28-Pin SSOP Package
  • Simple DSP Interface

WEBENCH® Designer ADS8509-HT