AD7175-8BCPZ-RL

Product Overview

Category

AD7175-8BCPZ-RL belongs to the category of Analog-to-Digital Converters (ADCs).

Use

The AD7175-8BCPZ-RL is primarily used for converting analog signals into digital data. It is commonly employed in various applications such as industrial automation, instrumentation, and communication systems.

Characteristics

• High-resolution: The AD7175-8BCPZ-RL offers a resolution of up to 24 bits, ensuring accurate conversion of analog signals.
• Low noise: It features a low noise performance, enabling precise measurements even in noisy environments.
• High-speed conversion: With a maximum sampling rate of 250 kilosamples per second (ksps), it can quickly convert analog signals into digital form.
• Flexible input range: The ADC supports a wide input voltage range, allowing it to handle various signal levels.
• Low power consumption: The AD7175-8BCPZ-RL is designed to operate with low power consumption, making it suitable for battery-powered devices.
• Small package size: It comes in a compact package, enabling space-efficient integration into electronic systems.

Package and Quantity

The AD7175-8BCPZ-RL is available in a lead-free, RoHS-compliant LFCSP (lead frame chip scale package) package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Resolution: Up to 24 bits
• Sampling Rate: Up to 250 ksps
• Input Voltage Range: ±VREF
• Power Supply: 2.7 V to 5.25 V
• Operating Temperature Range: -40°C to +105°C
• Package Type: LFCSP

Pin Configuration

The AD7175-8BCPZ-RL features a 32-lead LFCSP package with the following pin configuration:

1. AIN1(+) / REFIN1(+)
2. AIN1(-) / REFIN1(-)
3. AIN2(+) / REFIN2(+)
4. AIN2(-) / REFIN2(-)
5. AIN3(+) / REFIN3(+)
6. AIN3(-) / REFIN3(-)
7. AIN4(+) / REFIN4(+)
8. AIN4(-) / REFIN4(-)
9. AIN5(+) / REFIN5(+)
10. AIN5(-) / REFIN5(-)
11. AIN6(+) / REFIN6(+)
12. AIN6(-) / REFIN6(-)
13. AIN7(+) / REFIN7(+)
14. AIN7(-) / REFIN7(-)
15. AIN8(+) / REFIN8(+)
16. AIN8(-) / REFIN8(-)
17. AVDD
18. DVDD
19. AGND
20. DGND
21. RESET
22. CS
23. SCLK
24. DOUT/RDY
25. DIN
26. GPIO1
27. GPIO2
28. GPIO3
29. GPIO4
30. VDRIVE
31. MCLK
32. VREF

Functional Features

The AD7175-8BCPZ-RL 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 precise measurements across a wide range of input voltages.
2. On-Chip Temperature Sensor: It incorporates an on-chip temperature sensor, providing accurate temperature measurements for compensation and calibration purposes.
3. Digital Filters: The ADC features programmable digital filters that can be configured to optimize the trade-off between noise reduction and conversion speed.
4. Flexible Interface Options: It supports various interface options such as SPI (Serial Peripheral Interface) and I2C (Inter-Integrated Circuit), allowing seamless integration with different microcontrollers and communication protocols.

Advantages and Disadvantages

Advantages

• High-resolution conversion ensures accurate measurement of analog signals.
• Low noise performance enables precise data acquisition in noisy environments.
• Wide input voltage range allows handling of diverse signal levels.
• Low power consumption makes it suitable for battery-powered applications.
• Compact package size facilitates space-efficient integration.

Disadvantages

• Limited maximum sampling rate compared to some other ADCs on the market.
• Requires external components for proper operation, increasing system complexity.

Working Principles

The AD7175-8BCPZ-RL operates based on the successive approximation register (SAR) architecture. It utilizes an internal reference voltage and a precision analog front-end to convert analog signals into digital data. The ADC employs a