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Product Detailed Parameters
- Description：IC ADC 24BIT SIGMA-DELTA 10VSSOP
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Number of Bits：24
- Sampling Rate (Per Second)：15
- Number of Inputs：1
- Input Type：Differential, Single Ended
- Data Interface：SPI
- Configuration：ADC
- Ratio - S/H:ADC：-
- Number of A/D Converters：1
- Architecture：Sigma-Delta
- Reference Type：External
- Voltage - Supply, Analog：2.5V ~ 5.25V
- Voltage - Supply, Digital：1.8V ~ 3.6V
- Features：-
- Operating Temperature：-40°C ~ 85°C
- Package / Case：10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Supplier Device Package：10-VSSOP
- Mounting Type：Surface Mount
- Grade：-
- Qualification：-
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Overview
The ADS1245IDGSRG4 is a low-power, 24-bit analog-to-digital converter (ADC) manufactured by Texas Instruments. It features an internal programmable gain amplifier and a precision internal reference voltage source. The device supports data rates up to 20 kSPS and utilizes a serial interface compatible with standard SPI protocols. It operates within a supply voltage range of 2.7 V to 5.5 V and is housed in a TSSOP-16 package. Key electrical characteristics include a differential nonlinearity of ±0.5 LSB and an integral nonlinearity of ±2 LSB at maximum resolution.
Feature Summary
- Integrates a programmable gain amplifier for direct sensor signal conditioning
- Includes a built-in precision reference voltage source to reduce external component count
- Supports multiple input configurations including differential, pseudo-differential, and single-ended modes
Applications
- Industrial process control systems requiring high-resolution measurement
- Weigh scales and load cell interfaces
- Thermocouple and RTD temperature measurement instrumentation
Procurement Notes
Verify the specific suffix 'RG4' indicates RoHS compliance and green material status as per Texas Instruments documentation. Confirm the operating temperature range corresponds to the 'I' grade (-40°C to +85°C). Ensure the ordering part number matches the exact package type and pin configuration required for the target PCB layout.
Selection Notes
Select this component when high resolution and low noise are critical for small signal applications. Compare against the ADS1244 if fewer channels are needed or the ADS125x series if higher speed is required. Verify that the internal reference stability meets the system accuracy requirements before choosing over external reference solutions.
Part Context
This part belongs to the ADS124x family of precision ADCs from Texas Instruments. It shares architectural similarities with the ADS1244 and ADS1245 but differs in channel count and specific feature sets. The family is designed for applications demanding high accuracy and low power consumption in industrial and scientific instruments.
Replacement Considerations
The ADS1245IDGSR is a non-RoHS compliant predecessor. The ADS1244IDGSRG4 offers similar performance with one less channel. Engineers should verify pin compatibility and register settings when migrating between these variants.
