AD7262BCPZ-5

Product Overview

Category

AD7262BCPZ-5 belongs to the category of analog-to-digital converters (ADCs).

Use

The AD7262BCPZ-5 is used to convert analog signals into digital data for various applications.

Characteristics

• High-resolution: The AD7262BCPZ-5 offers a resolution of 12 bits, ensuring accurate conversion of analog signals.
• Low power consumption: This ADC operates at low power, making it suitable for battery-powered devices.
• Fast conversion rate: With a maximum sampling rate of 250 kilosamples per second (ksps), the AD7262BCPZ-5 provides rapid data conversion.
• Wide input voltage range: It can handle input voltages ranging from 0V to Vref, allowing for versatile signal conversion.
• Small package size: The AD7262BCPZ-5 comes in a compact package, enabling space-efficient designs.

Package and Quantity

The AD7262BCPZ-5 is available in a lead-free, 16-lead LFCSP (Low-Profile Quad Flat No-Lead) package. It is typically sold in reels of 2500 units.

Specifications

• Resolution: 12 bits
• Sampling Rate: Up to 250 ksps
• Input Voltage Range: 0V to Vref
• Power Supply: 2.7V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 16-lead LFCSP

Pin Configuration

The AD7262BCPZ-5 has 16 pins arranged as follows:

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| | | 1 2 3 4 5 6 7 8 9 | |_______________________________________| | | | 10 11 12 13 14 15 16 | |_______________________________________| ```

1. Vref: Reference voltage input
2. IN1: Analog input channel 1
3. IN2: Analog input channel 2
4. IN3: Analog input channel 3
5. IN4: Analog input channel 4
6. AGND: Analog ground
7. DGND: Digital ground
8. SCLK: Serial clock input
9. SDI: Serial data input
10. SDO: Serial data output
11. CS: Chip select input
12. RDY/BSY: Ready/busy output
13. CONVST: Conversion start input
14. REFOUT: Reference voltage output
15. AVDD: Analog power supply
16. DVDD: Digital power supply

Functional Features

• High-resolution conversion: The AD7262BCPZ-5 provides accurate conversion of analog signals into digital data with its 12-bit resolution.
• Flexible input channels: It offers four analog input channels, allowing for versatile signal acquisition.
• Serial interface: The ADC utilizes a serial interface (SCLK, SDI, and SDO) for easy integration with microcontrollers or other digital devices.
• Conversion start control: The CONVST pin enables precise control over the start of conversions.
• Reference voltage output: The REFOUT pin provides a stable reference voltage for external circuitry.

Advantages and Disadvantages

Advantages

• High resolution ensures accurate conversion.
• Low power consumption makes it suitable for battery-powered applications.
• Fast conversion rate allows for rapid data acquisition.
• Wide input voltage range accommodates various signal levels.
• Compact package size enables space-efficient designs.

Disadvantages

• Limited number of analog input channels (four).
• Requires an external reference voltage source.

Working Principles

The AD7262BCPZ-5 operates based on the successive approximation register (SAR) architecture. It samples the analog input voltage and converts it into a digital representation using a comparator, SAR logic, and a digital-to-analog converter (DAC). The conversion process is controlled by the internal clock and control signals.

Detailed Application Field Plans

The AD7262BCPZ-5 finds applications in various fields, including: 1. Industrial automation: Used for data acquisition and control systems. 2. Medical devices: Enables accurate measurement and monitoring of vital signs. 3. Test and measurement equipment: Provides precise signal analysis and data logging capabilities. 4. Communication systems: Used for signal processing and modulation/demodulation tasks. 5. Automotive electronics: Enables sensor data acquisition and control in automotive systems.

Alternative Models

1. AD7262BCPZ-10: Similar to AD7262BCPZ-5 but with a 10-bit resolution.
2. AD7262BC