AD4112BCPZ-RL7

Analog To Digital Converters (ADC) Overview

The AD4112BCPZ-RL7 is a single-supply, 24-bit sigma-delta analog-to-digital converter (ADC) from Analog Devices. It integrates an analog front end supporting ±10 V voltage inputs and 0 mA to 20 mA current inputs. The device features a maximum channel scan rate of 6.21 kSPS with 161 µs settling time. It includes an internal 2.5 V reference with ±5 ppm/°C drift. Power supplies are AVDD (3.0 V to 5.5 V) and IOVDD (2 V to 5.5 V), with total IDD of 3.9 mA. It operates from −40°C to +105°C in a 40-lead LFCSP package.

Analog To Digital Converters (ADC) Feature Summary

• 24-bit ADC with integrated analog front end for ±10 V and 0–20 mA inputs
• Fast channel scan data rate of 6.21 kSPS per channel
• Internal 2.5 V reference with ±0.12% accuracy at 25°C
• Robustness tested per IEC61000-4-2, -3, -4, -5, -6, and CISPR 11

Analog To Digital Converters (ADC) Applications

• Process control systems
• PLC and DCS modules
• Instrumentation and measurement

Analog To Digital Converters (ADC) Procurement Notes

Verify the AD4112BCPZ-RL7 datasheet Rev. B specifications against system requirements. Confirm that the LFCSP-40 package thermal characteristics meet PCB layout constraints. Ensure power supply voltages remain within the specified AVDD and IOVDD ranges during operation.

Analog To Digital Converters (ADC) Selection Notes

Select this component for high-precision industrial applications requiring direct connection to standard process signals. The integrated AFE simplifies design by eliminating external signal conditioning components. Consider the 6.21 kSPS scan rate when designing multi-channel acquisition systems.

Analog To Digital Converters (ADC) Part Context

The AD4112 belongs to the AD411x family of low-power, low-noise 24-bit sigma-delta ADCs. These devices are designed for high-precision measurement applications in harsh industrial environments. The BC suffix indicates specific performance or packaging variations within the product line.

Analog To Digital Converters (ADC) Replacement Considerations

The AD4111 and AD4114 are part of the same AD411x family and may serve as alternatives depending on channel count and input configuration requirements. Verify pin compatibility and register map differences before substitution.

Analog To Digital Converters (ADC) FAQ

What is the maximum channel scan rate?

The AD4112 supports a maximum channel scan rate of 6.21 kSPS per channel with a settling time of 161 µs.

Does the device support both differential and single-ended inputs?

Yes, the AD4112 supports 4 differential or 8 single-ended ±10 V voltage inputs, and 4 single-ended 0 mA to 20 mA current inputs.

What is the operating temperature range?

The specified operating temperature range is −40°C to +105°C.