AD7770ACPZ-RL

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Data Acquisition - Analog to Digital Converters (ADC) are used in numerous applications ranging from industrial, scientific and research fields. The AD7770ACPZ-RL is one of the Analog-to-Digital converters (ADC) used in many applications and it is manufactured by Analog Devices. This chip is intended for use within the following realms: industrial automation, communications, audio, and sound systems, transportation, medical applications, and networking. AD7770ACPZ-RL integrates amplifier, auto-zero amplifier, and track and hold circuitry into a single chip in order to offer high speed and high accuracy performance for these applications.

This chip is an integrated 16-bit sigma-delta AD converter that features a sample rate of 32ksps (Kilo samples per second) and has an on-chip RC oscillator and track and hold amplifier for the system design. It offers a true differential input and differential current output. It is capable of up to 22kHz wide bandwidth operation and features single-supply operation from a 2.7V to 3.6V supply. The power consumption is typically 8.5mW and the chip is available in SOIC and QFN package. The temperature range is from -40°C to +85°C. The chip supports two modes: buffered/unbuffered and single-/two-channel operation which can be controlled through the SPI/I2C interface with four-wire protocol. The AD7770ACPZ-RL also includes an onboard 4kb memory with an on-board watchdog timer, firmware programmable control functions, and an integrated calibration routine.

The AD7770ACPZ-RL works on the principle of sigma-delta modulation, which is a type of conversion method that converts analog signals into digital ones. In this process, the analog signal is first sampled and then filtered by a sigma-delta modulator which is a type of low-pass filter. The output of the modulator is a digital bit stream of 1’s and 0’s that represent the analog signal. The process is repeated and the resulting bit stream is then compared to a reference voltage and the output is given in codes corresponding to the input values. This process is called as pulse code modulation (PCM). The PCM codes are then further low-pass filtered and the output is the digital signal.

The ADC is connected to the inputs, usually through Buffers, which are digital switches that allow for controlled connection of a signal to the input ports. The sampled input is then multiplied by an internal reference voltage and then the result is the digital output. The AD7770ACPZ-RL also has a self-test function which allows it to test its analog performance and generate digital output.

The AD7770ACPZ-RL ADC offers numerous advantages over other ADCs in similar categories due to its low power consumption, accuracy, and wide dynamic range. The chip has a fast conversion rate and very low intrinsic noise resulting in accurate results over a wide variety of signals. Its wide dynamic range allows it to operate with signals up to ±10V while the on board RC oscillator provides the necessary clock speed. Its internal reference voltage is ideal for maintaining calibration accuracy of the converter and it also supports both differential and single ended input configurations.

The AD7770ACPZ-RL is an ideal choice for applications which require high-speed, high-accuracy analog to digital conversion. This chip is widely used across industries such as industrial automation, audio and sound systems, communications, transportation and medical applications where the need for high-precision and fast operation are necessary. The integrated features make it a cost-effective solution for many applications and its wide dynamic range and accuracy make it an excellent choice for solutions which require accurate data conversion.

The specific data is subject to PDF, and the above content is for reference