AD9639BCPZRL-170

Data Acquisition - Analog to Digital Converters (ADC)

The AD9639BCPZRL-170 is a high speed, low power, precision analog-to-digital converter (ADC) that provides high performance at an attractive price point. The device is offered in a compact, 5mm x 5mm QFN package, and is pin-compatible with the highly successful AD9639BCPZRL-180. With an excellent combination of features and performance, the AD9639BCPZRL-170 is an ideal choice for a wide variety of industrial, consumer, and scientific applications such as data acquisition systems, industrial control, test and measurement, automotive, and medical.

Application Field

The AD9639BCPZRL-170 can be used for a wide range of applications that require the conversion of analog signals to digital data. The device is well suited for industrial, consumer and scientific applications such as data acquisition systems, industrial control, test and measurement, automotive, medical, and more.

In data acquisition systems, the AD9639BCPZRL-170 can be used to convert multiple analog input signals such as temperature, current, pressure, voltage, etc. into digital data streams. The device can also be used in industrial control to measure and convert various signals such as motor speed, position, velocity, torque, etc. into digital data which can be used by the control system to take the necessary decisions. The device can also be used in test and measurement applications to convert electrical, acoustic and optical signals into digital data which can then be analyzed or further processed.

The device is also suitable for automotive applications where it can be used to measure a variety of analog input signals such as engine speed, throttle position, exhaust gas temperature, air/fuel ratio, etc. The device can also be used in medical applications such as glucose and insulin monitoring, portable medical devices, etc.

Working Principle

The AD9639BCPZRL-170 uses a delta-sigma modulator for the analog-to-digital conversion. The delta-sigma modulator uses a multi-bit analog-to-digital converter to sample input signals, and then processes the signal by moving it through a low-pass filter. During this process, the signal is integrated and quantized to form a bit-stream. The analog signal is then encoded in a binary format and converted to digital data.

The device consists of an analog front-end (AFE) and a digital back-end (DBE). The AFE consists of a low-noise amplifier (LNA), a bandwidth programmable antialiasing filter, a two-stage delta-sigma modulator and a digital decimation filter. The DBE is responsible for the high-speed serial interface and programmable gain/offset compensation. The interface is robust and supports several serial protocols including SPI, I2C, and USB.

The device supports a wide input common-mode range (±5.5 V) and a wide operating temperature range (-30 to 980 C). It also offers a wide range of gain and offset settings, allowing the user to customize the parameters as per the requirements. The device has an excellent signal-to-noise and distortion (SNR & SFDR) performance of 95dB and 125dB respectively. It also features an on-chip calibration memory that can be used to store gain and offset settings.

The device offers a high level of integration and is supported by an extensive range of software and hardware tools, making it easier to manage the design. The device offers exceptional performance and is ideal for a wide range of analog-to-digital conversion applications.