The Texas Instruments ADS1118IDGSR is a precision, low-power, 16-bit delta-sigma analog-to-digital converter (ADC) featuring an SPI-compatible interface and an integrated high-accuracy temperature sensor. Housed in a compact VSSOP-10 package, this ADC provides reliable signal conversion for industrial instrumentation, sensor measurement, and embedded electronic systems.
With a programmable sampling rate ranging from 8 SPS to 860 SPS, the ADS1118IDGSR supports four single-ended or two differential analog inputs through an integrated multiplexer. It incorporates a programmable gain amplifier (PGA), low-drift voltage reference, internal oscillator, and temperature sensor to simplify circuit design and reduce external component requirements.
Operating from a 2V to 5.5V supply with only 150µA typical current consumption in continuous-conversion mode, the ADS1118IDGSR offers excellent power efficiency. Its integrated temperature sensor supports system temperature monitoring and thermocouple cold-junction compensation, making it suitable for precision measurement applications.
Key Specifications:
- Manufacturer: Texas Instruments (TI)
- Part Number: ADS1118IDGSR
- Product Type: Analog-to-Digital Converter (ADC)
- ADC Architecture: Delta-Sigma
- Resolution: 16-Bit
- Maximum Sampling Rate: 860 SPS
- Programmable Data Rate: 8 to 860 SPS
- Input Channels: 4 Single-Ended or 2 Differential
- Interface: SPI
- Supply Voltage: 2V to 5.5V
- Current Consumption: 150µA (Typical, Continuous Mode)
- Integrated Features: PGA, Voltage Reference, Oscillator, Temperature Sensor
- Package: VSSOP-10 (DGS)
- Operating Temperature: -40°C to +125°C
- Mounting Type: Surface Mount (SMD/SMT)
- Packaging: Tape & Reel
Typical Applications:
- Precision sensor signal measurement
- Industrial instrumentation
- Thermocouple temperature measurement
- Cold-junction compensation
- Data acquisition systems
- Portable measurement equipment
- Embedded monitoring systems
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