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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 ADS1244IDGSRG4 is a low-power, 24-bit analog-to-digital converter (ADC) from Texas Instruments. It utilizes a sigma-delta architecture with a single differential input channel and supports I2C and SPI interfaces. The device operates on an analog supply voltage of 2.5 V to 5.25 V and a digital supply voltage of 1.8 V to 3.6 V. It achieves a sampling rate of up to 15 SPS with integrated 50/60 Hz rejection capabilities. Key performance metrics include a differential nonlinearity (DNL) of ±1 LSB and integral nonlinearity (INL) of ±0.0008% FSR. Power consumption is rated at 270 µW. The component is housed in a compact MSOP-10 package and functions within a temperature range of -40°C to +85°C.
Feature Summary
- Integrated 50/60 Hz line frequency rejection for noise suppression
- Low power consumption suitable for battery-operated systems
- Dual interface support including I2C and SPI protocols
Applications
- Portable instrumentation
- Industrial process control
- Smart transmitters
Procurement Notes
Verify the specific suffix G4 indicates lead-free compliance and RoHS standards as per manufacturer documentation. Confirm the MSOP-10 package variant matches design constraints. Ensure external reference voltage requirements are met, as this model specifies an external reference type rather than an internal one. Cross-check the operating temperature range against environmental specifications.
Selection Notes
Select this component when high resolution is required alongside minimal power usage. The single-channel differential input limits multiplexing options compared to multi-channel variants. Verify that the 15 SPS maximum data rate meets application timing needs. Ensure the system can provide separate analog and digital supply rails due to distinct voltage ranges.
Part Context
This part belongs to the ADS1244 series of precision ADCs. It shares architectural similarities with the ADS1245 and ADS125x families but differs in channel count and interface configurations. The IDGSRG4 designation identifies the industrial temperature grade and tape-and-reel packaging format.
Replacement Considerations
The ADS1244IDGSTG4 is listed as an alternative version within the same series. Verify pin compatibility and package dimensions before substitution. Check if the replacement maintains identical electrical characteristics and interface protocols.
