ADS7841PG4

Analog To Digital Converters (ADC) Overview

The ADS7841PG4 is a 12-bit, 4-channel serial output sampling Analog-to-Digital Converter (ADC) manufactured by Texas Instruments. It features a Successive Approximation Register (SAR) architecture with an integrated multiplexer supporting single-ended or differential inputs. The device operates on a single supply voltage ranging from 2.7V to 5.25V and supports throughput rates up to 200kHz. Key electrical specifications include a maximum Integral Nonlinearity (INL) and Differential Nonlinearity (DNL) of ±2 LSB and ±0.8 LSB respectively, ensuring no missing codes. It delivers a Signal-to-Noise and Distortion Ratio (SINAD) of 72dB at full scale. The component is housed in a DIP-16 package and is specified for operation across a temperature range of –40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrated four-channel analog multiplexer allowing flexible single-ended or differential input configurations.
• Low power consumption with dedicated shutdown mode reducing dissipation below 15µW.
• Programmable resolution selectable between 8 bits and 12 bits via digital interface.
• Compatible with standard synchronous serial interfaces for microcontroller integration.

Analog To Digital Converters (ADC) Applications

• Battery-powered portable data acquisition systems
• Industrial process control monitoring
• Personal digital assistants and handheld measurement equipment

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix 'PG4' against current manufacturer documentation to confirm lead-free status and RoHS compliance details. Ensure the DIP-16 package availability matches current production status, as older suffixes may indicate obsolete variants. Cross-reference the datasheet revision date to confirm pinout consistency with existing designs.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a low-cost, single-supply ADC with moderate speed and multiple channels is required. It is suitable for applications where power efficiency is critical, such as battery-operated devices. Consider the external reference requirement and serial interface timing constraints during system design. Verify that the input voltage range aligns with the available reference voltage options.

Analog To Digital Converters (ADC) Part Context

The ADS7841 belongs to a family of low-power, high-speed sampling ADCs from Texas Instruments. It serves as a direct alternate source for the Maxim MAX1247. The device is part of the broader SAR ADC portfolio designed for general-purpose data conversion tasks requiring moderate resolution and channel count.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS7841ES is the higher temperature grade (+125°C) equivalent within the same package. For pin-compatible alternatives, consider the MAX1247 as explicitly noted in the datasheet. Verify functional compatibility if substituting with other 12-bit SAR ADCs regarding serial protocol and reference requirements.