ADS1146IPW

Analog To Digital Converters (ADC) Overview

The ADS1146IPW is a 16-bit analog-to-digital converter (ADC) from Texas Instruments, designed for precision sensor measurement applications. It features a delta-sigma architecture with a single differential or single-ended input channel and supports a maximum sampling rate of 2 kSPS. The device integrates a programmable gain amplifier (PGA) with gains ranging from 1 to 128, allowing direct connection to low-level sensors. It operates on a supply voltage between 2.7 V and 5.25 V for both analog and digital domains. Communication is handled via a standard SPI interface. The component is housed in a 16-pin TSSOP package and is rated for an operating temperature range of -40°C to +105°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a low-noise delta-sigma ADC with a programmable gain amplifier to reduce system component count.
• Supports flexible input configurations including differential and single-ended connections for various sensor types.
• Features a serial peripheral interface (SPI) compatible with standard digital controllers.

Analog To Digital Converters (ADC) Applications

• Precision temperature sensing using thermocouples or RTDs
• Strain gauge and load cell measurements
• Bridge sensor signal conditioning

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix against the manufacturer datasheet to confirm package type and temperature grade. Ensure the ordering part number matches the required tape-and-reel or tube packaging configuration. Cross-reference the revision level with the latest technical documentation to confirm pinout and electrical characteristics remain unchanged.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, high-resolution conversion is required without multiplexing multiple inputs. Compare against the ADS1147 and ADS1148 if additional channels or internal reference options are necessary. Confirm that the 16-bit resolution and 2 kSPS speed meet the application bandwidth requirements.

Analog To Digital Converters (ADC) Part Context

The ADS1146 belongs to the ADS114x family of 16-bit ADCs, which also includes the ADS1147 and ADS1148. These devices share similar core architectures but differ in channel count and integrated features such as internal references or current source DACs. The IPW suffix denotes a plastic small-outline package with a wide body, suitable for surface-mount assembly.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS1146IPWR is the reel version of the same functional device. For multi-channel needs, consider the ADS1147 (4-channel) or ADS1148 (8-channel). Legacy replacements may include the ADS1246 series, though bit resolution differs.