AD9625BBPZ-2.6

Overview

Product Category

The AD9625BBPZ-2.6 belongs to the category of analog-to-digital converters (ADCs).

Use

This ADC is primarily used for converting analog signals into digital format, enabling accurate and precise measurements in various applications.

Characteristics

• High-speed conversion: The AD9625BBPZ-2.6 offers fast conversion rates, allowing for real-time data acquisition.
• High resolution: It provides a high-resolution output, ensuring accurate representation of the input signal.
• Low power consumption: This ADC is designed to operate efficiently with low power consumption, making it suitable for portable and battery-powered devices.
• Wide input voltage range: The AD9625BBPZ-2.6 can handle a wide range of input voltages, accommodating diverse signal sources.
• Integrated features: It incorporates various features such as programmable gain amplifiers, digital filters, and on-chip reference voltage, enhancing its versatility.

Package and Quantity

The AD9625BBPZ-2.6 is available in a compact package, specifically the BGA (Ball Grid Array) package. Each package contains one unit of the ADC.

Specifications

• Resolution: 16 bits
• Sampling Rate: 2.6 MSPS (Mega Samples Per Second)
• Input Voltage Range: ±10V
• Power Supply: +5V
• Operating Temperature Range: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)

Pin Configuration

The AD9625BBPZ-2.6 has a total of 32 pins arranged as follows:

Pin Number | Pin Name | Description -----------|----------|------------- 1 | VDD | Power supply voltage 2 | VREF | Reference voltage input 3 | AGND | Analog ground 4 | VIN(+) | Positive analog input 5 | VIN(-) | Negative analog input 6-9 | DGND | Digital ground 10 | SCLK | Serial clock input 11 | SDI | Serial data input 12 | CS | Chip select input 13 | SDO | Serial data output 14 | DOUT/DRDY| Data output / Data ready output 15-32 | NC | No connection (reserved for future use)

Functional Features

High-Speed Conversion

The AD9625BBPZ-2.6 offers fast and accurate conversion of analog signals into digital format, enabling real-time data acquisition in various applications.

Programmable Gain Amplifiers

This ADC incorporates programmable gain amplifiers, allowing users to adjust the gain according to the specific requirements of their application. This feature enhances flexibility and signal conditioning capabilities.

Digital Filters

The integrated digital filters in the AD9625BBPZ-2.6 help eliminate noise and unwanted frequencies from the input signal, ensuring high-quality and reliable digital output.

On-Chip Reference Voltage

With an on-chip reference voltage, this ADC eliminates the need for an external reference source, simplifying the overall system design and reducing component count.

Advantages and Disadvantages

Advantages

• High-speed conversion enables real-time data acquisition.
• High resolution provides accurate representation of input signals.
• Low power consumption makes it suitable for portable devices.
• Wide input voltage range accommodates diverse signal sources.
• Integrated features enhance versatility and simplify system design.

Disadvantages

• Limited number of pins may restrict connectivity options in complex systems.
• Higher cost compared to lower-end ADCs with similar specifications.

Working Principles

The AD9625BBPZ-2.6 operates based on the successive approximation register (SAR) architecture. It samples the analog input signal and converts it into a digital representation using a comparator and a capacitive digital-to-analog converter (DAC). The ADC's internal clock controls the sampling rate, while the programmable gain amplifiers and digital filters ensure accurate and reliable conversion.

Application Field Plans

The AD9625BBPZ-2.6 finds applications in various fields, including: - Communications: Used in wireless communication systems for signal processing and data acquisition. - Test and Measurement: Enables precise measurements in scientific instruments and test equipment. - Industrial Automation: Provides accurate data acquisition for process control and monitoring systems. - Medical Imaging: Used in medical devices for capturing and digitizing analog signals from sensors.

Alternative Models

For those seeking alternative options, the following ADC models can be considered: - AD9643BBPZ-2.5: 14-bit ADC with a sampling rate of 2.5 MSPS. - AD9250EBZ: 14-bit ADC evaluation board with a sampling rate of 250 MSPS. - LTC2208CUK