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Description:

The AD4052 compact low-power easy-to-drive Continuous Approximation Register (SAR) analog-to-digital converter (ADC) is a versatile 16-bit device that enables a low-power, high-density data acquisition solution without compromising accuracy. These ADCs offer a unique balance between performance and power efficiency, as well as innovative features that seamlessly switch between high resolution and low power modes depending on the immediate needs of the system. AD4052 is ideally suited for compact, battery-powered data acquisition and edge detection applications.

The Easy Drive feature enables efficient analog front end (afe) design. These small sampling capacitors (3.4pF) maximize input impedance and reduce reliance on the high-bandwidth, power-hungry amplifiers typically required for SAR ADCs. The wide input common model envelope provides inherent support for differential and single-ended signals.

AD4052 microcontrollers with power-off mode and interrupt driver firmware are supported. The autonomous mode enables out-of-range event detection when the digital host sleeps.

Product selection:

AD4052BCBZ

AD4052BCPZ

Features:

Small space, large performance

INL: ±0.5 LSB (Max)

NR: 86.1dB, VREF = 3.3V

1.35mW in sampling mode (1MSPS)

370μW in autonomous mode (1MSPS)

Standby power consumption: 4.1μW

Multifunctional signal conditioning integration

Easy to drive features support small, low-power analog front-end designs

Compatible with differential and single-ended signal chains

Wide common-mode input range

Minimize digital host activity and power consumption

Autonomous sampling with window comparator and interrupt generation

Averaging filter with continuous and burst sampling options

Power cycle synchronization of supporting devices

The 4-wire SPI is compatible with 1.8V to 3.3V logic

2.0mmx2.0mm LFCSP and 1.7mmx2.0mm WLCSP package options

Wide operating temperature range: -40 °C to +125 °C

Applications:

Battery powered data acquisition

Vital signs monitoring

Biological and chemical analysis

Geological and seismic sensing

Motion and robotics