AD9287ABCPZ-100

Product Overview

Category

AD9287ABCPZ-100 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is used for converting analog signals into digital format, enabling accurate and precise digital representation of the input signal.

Characteristics

• High resolution: The AD9287ABCPZ-100 offers a resolution of 12 bits, ensuring fine-grained digitization of analog signals.
• Fast sampling rate: With a maximum sampling rate of 100 MegaSamples per second (MSPS), this ADC can capture high-frequency signals with ease.
• Low power consumption: The device operates at low power levels, making it suitable for power-sensitive applications.
• Wide input voltage range: It supports a wide input voltage range, allowing for versatile usage across various signal types.
• Small package size: The AD9287ABCPZ-100 comes in a compact package, making it suitable for space-constrained designs.

Package and Quantity

The AD9287ABCPZ-100 is available in a small form factor package known as LFCSP (Lead Frame Chip Scale Package). It is supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 100 MSPS
• Input Voltage Range: ±1 V
• Power Supply: +3.3 V
• Power Consumption: 150 mW (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The AD9287ABCPZ-100 has a total of 32 pins. Here is the detailed pin configuration:

Pin Number | Pin Name | Description -----------|----------|------------ 1 | VREFP | Positive reference voltage input 2 | VREFN | Negative reference voltage input 3 | VCM | Common-mode voltage output 4-15 | VIN[11:0]| Analog input pins 16 | GND | Ground 17-24 | D[7:0] | Digital output pins 25 | DVDD | Digital power supply 26 | CLK | Clock input 27 | CS | Chip select input 28 | RESET | Reset input 29 | PDWN | Power-down input 30 | VDRIVE | Drive voltage input 31 | AVDD | Analog power supply 32 | VREFOUT | Reference voltage output

Functional Features

The AD9287ABCPZ-100 offers the following functional features:

1. High-speed conversion: The ADC can convert analog signals into digital format at a maximum rate of 100 MSPS.
2. Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
3. Wide input voltage range: The ADC supports a wide range of input voltages, allowing for versatile signal processing.
4. Flexible interface: It provides a standard parallel interface for easy integration with microcontrollers or digital signal processors.
5. Excellent linearity: The device exhibits excellent linearity characteristics, ensuring accurate representation of the input signal.

Advantages and Disadvantages

Advantages

• High resolution and fast sampling rate enable precise and detailed digitization of analog signals.
• Low power consumption makes it suitable for power-sensitive applications.
• Wide input voltage range allows for versatile usage across various signal types.
• Compact package size facilitates space-constrained designs.

Disadvantages

• Limited to 12-bit resolution, which may not be sufficient for certain high-precision applications.
• Requires an external clock source for operation.

Working Principles

The AD9287ABCPZ-100 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 digital-to-analog converter (DAC). The ADC's internal circuitry compares the input voltage with a reference voltage and generates a binary code that represents the analog signal's amplitude.

Application Field Plans

The AD9287ABCPZ-100 can be utilized in various applications, including:

1. Communication systems: Used for digitizing analog signals in wireless communication systems, such as base stations and software-defined radios.
2. Test and measurement equipment: Enables accurate measurement of analog signals in oscilloscopes, spectrum analyzers, and data acquisition systems.
3. Medical devices: Used in medical imaging equipment, patient monitoring systems, and other medical devices requiring precise signal conversion.
4. Industrial automation: Enables analog-to-digital conversion in industrial control systems, robotics, and process monitoring equipment.
5. Audio processing: Suitable for audio recording equipment, mixers, and digital audio workstations.

Alternative Models

Here are some alternative models to the AD9287AB