Texas Instruments ADS1148
the ADS1148, two for the ADS1147, and one for the ADS1146. The PGA provides selectable gains up to 128 V/V. These features provide a complete front-end solution for temperature sensor measurement applications including thermocouples, thermistors, and resistance temperature detectors (RTDs) and other small signal measurements including resistive bridge sensors.| Part No. | ADS1148 |
|---|---|
| Datasheet | ADS1148 Download |
| Manufacturer |  Texas Instruments |
| Description | Analog-to-Digital Converter |
| Buy | Stock & Price |
FEATURES
●1 Programmable Data Rates Up to 2 kSPS● Single-Cycle Settling for All Data Rates
● Simultaneous 50-Hz and 60-Hz Rejection at 20 SPS
● Analog Multiplexer With 8 (ADS1148) and 4 (ADS1147) Independently Selectable Inputs
● Programmable Gain: 1 V/V to 128 V/V
● Dual-Matched Programmable Excitation Current Sources
● Low-Drift Internal 2.048-V Reference
● Sensor Burnout Detection
● 4 or 8 General-Purpose I/Os (ADS1147 and ADS1148)
● Internal Temperature Sensor
● Power Supply and VREF Monitoring (ADS1147 and ADS1148)
● Self and System Calibration
● SPI™-Compatible Serial Interface
● Analog Supply: Unipolar (2.7 V to 5.25 V) or Bipolar (±2.5 V)
● Digital Supply: 2.7 V to 5.25 V 2
APPLICATIONS
● Temperature Measurement – RTDs, Thermocouples, and Thermistors● Pressure Measurement
● Flow Meters
● Factory Automation and Process Control 3
DESCRIPTION
The ADS1146, ADS1147, and ADS1148 devices are precision, 16-bit analog-to-digital converters (ADCs) that include many integrated features to reduce system cost and component count for sensor measurement applications.
