AD7175-8BCPZ-RL7

Product Overview

Category

AD7175-8BCPZ-RL7 belongs to the category of analog-to-digital converters (ADCs).

Use

This product is primarily used for converting analog signals into digital data, making it suitable for various applications in industries such as telecommunications, industrial automation, and instrumentation.

Characteristics

• High-resolution: The AD7175-8BCPZ-RL7 offers a resolution of up to 24 bits, ensuring accurate conversion of analog signals.
• Low noise: It features a low-noise architecture, enabling precise measurements even in noisy environments.
• High-speed conversion: With a maximum sample rate of 250 kilosamples per second (ksps), it can handle fast-changing input signals effectively.
• Flexible input options: The ADC supports differential, pseudo-differential, and single-ended input configurations, providing versatility in signal acquisition.
• Low power consumption: The AD7175-8BCPZ-RL7 operates at low power levels, making it suitable for battery-powered devices.

Package and Quantity

The AD7175-8BCPZ-RL7 comes in a compact LFCSP package, which stands for Lead Frame Chip Scale Package. It is available in reel packaging with a quantity of 2500 units per reel.

Specifications

• Resolution: Up to 24 bits
• Input voltage range: ±VREF
• Sample rate: Up to 250 ksps
• Power supply: 2.7 V to 5.25 V
• Operating temperature range: -40°C to +105°C
• Interface: SPI (Serial Peripheral Interface)

Pin Configuration

The AD7175-8BCPZ-RL7 has a total of 32 pins. Here is the detailed pin configuration:

1. AVDD: Analog power supply
2. DVDD: Digital power supply
3. AGND: Analog ground
4. DGND: Digital ground
5. REFOUT: Reference voltage output
6. REFIN1(+)/AIN1(-): Differential analog input 1
7. REFIN1(-)/AIN1(+): Differential analog input 1
8. REFIN2(+)/AIN2(-): Differential analog input 2
9. REFIN2(-)/AIN2(+): Differential analog input 2
10. AIN3: Single-ended analog input 3
11. AIN4: Single-ended analog input 4
12. AIN5: Single-ended analog input 5
13. AIN6: Single-ended analog input 6
14. AIN7: Single-ended analog input 7
15. AIN8: Single-ended analog input 8
16. DOUT/RDY: Data output / Ready signal
17. DIN: Serial data input
18. SCLK: Serial clock input
19. CS: Chip select input
20. RESET: Reset input 21-32. NC: No connection

Functional Features

The AD7175-8BCPZ-RL7 offers several functional features that enhance its performance and usability:

1. Programmable gain amplifier (PGA): The ADC includes a PGA that allows users to adjust the gain of the input signal, enabling measurement of a wide range of input voltages.
2. On-chip reference: It incorporates an on-chip reference voltage source, eliminating the need for an external reference circuitry.
3. Digital filters: The device integrates digital filters that can be configured to reduce noise and improve the accuracy of the converted data.
4. Diagnostic features: It provides built-in diagnostic capabilities such as open and short detection, ensuring reliable operation and system integrity.

Advantages and Disadvantages

Advantages

• High resolution and accuracy
• Low noise performance
• Flexible input options
• Low power consumption
• Integrated diagnostic features

Disadvantages

• Limited sample rate compared to some other ADCs in the market
• Requires an external microcontroller or processor for data processing and communication

Working Principles

The AD7175-8BCPZ-RL7 operates based on the successive approximation register (SAR) architecture. It samples the analog input signal, converts it into a digital representation using a comparator and a binary search algorithm, and then outputs the converted data through the serial interface.

Detailed Application Field Plans

The AD7175-8BCPZ-RL7 can be applied in various fields, including:

1. Industrial automation: It can be used for precise measurement and control of physical parameters in industrial processes, such as temperature, pressure, and flow.
2. Telecommunications: The ADC is suitable for applications involving signal processing, such as voice recognition, audio compression, and data transmission.
3. Instrumentation: It finds application in scientific instruments, medical devices, and test equipment where accurate analog-to