AD7195BCPZ-RL7

AD7195BCPZ-RL7

Product Overview

Category

The AD7195BCPZ-RL7 belongs to the category of integrated circuit (IC) chips.

Use

This IC chip is primarily used for precision analog-to-digital conversion in various applications.

Characteristics

• High precision: The AD7195BCPZ-RL7 offers exceptional accuracy and resolution in analog-to-digital conversion.
• Low noise: It provides a low noise floor, ensuring reliable and precise measurements.
• Flexible input configuration: The chip supports various input types, including voltage, current, and resistance.
• On-chip calibration: It features an integrated calibration system that enhances accuracy and simplifies system calibration procedures.

Package

The AD7195BCPZ-RL7 comes in a small form factor package, known as LFCSP (Lead Frame Chip Scale Package).

Essence

The essence of this product lies in its ability to convert analog signals into digital data with high precision and reliability.

Packaging/Quantity

The AD7195BCPZ-RL7 is typically packaged in reels, containing a specific quantity of chips per reel. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Resolution: 24 bits
• Input Voltage Range: ±VREF
• Sampling Rate: Up to 4.8 kSPS (kilosamples per second)
• Power Supply: 2.7 V to 5.25 V
• Operating Temperature Range: -40°C to +105°C

Detailed Pin Configuration

The AD7195BCPZ-RL7 has a total of 32 pins. Here is a detailed pin configuration:

1. AVDD: Analog power supply
2. DVDD: Digital power supply
3. AGND: Analog ground
4. DGND: Digital ground
5. AIN1(+) and AIN1(-): Differential analog input 1
6. AIN2(+) and AIN2(-): Differential analog input 2
7. REFOUT: Reference voltage output
8. REFIN: Reference voltage input
9. VBIAS: Bias voltage output
10. VIO: Digital I/O supply voltage
11. SCLK: Serial clock input
12. DIN: Serial data input
13. DOUT/RDY: Serial data output/ready signal
14. CS: Chip select input
15. EXCITATION: Excitation voltage output
16. AIN3(+) and AIN3(-): Differential analog input 3
17. AIN4(+) and AIN4(-): Differential analog input 4
18. AIN5(+) and AIN5(-): Differential analog input 5
19. AIN6(+) and AIN6(-): Differential analog input 6
20. AIN7(+) and AIN7(-): Differential analog input 7
21. AIN8(+) and AIN8(-): Differential analog input 8
22. AINCOM: Analog input common
23. DVIO: Digital I/O supply voltage
24. RESET: Reset input
25. PDWN: Power-down input
26. GPOCON: General-purpose output control
27. GPO0: General-purpose output 0
28. GPO1: General-purpose output 1
29. GPO2: General-purpose output 2
30. GPO3: General-purpose output 3
31. GPO4: General-purpose output 4
32. GPO5: General-purpose output 5

Functional Features

• High-resolution conversion: The AD7195BCPZ-RL7 offers 24-bit resolution, enabling precise measurement of analog signals.
• Programmable gain amplifier: It includes a programmable gain amplifier that allows for signal amplification and adjustment.
• On-chip calibration: The chip features an integrated calibration system, eliminating the need for external calibration components.
• Low power consumption: It operates with low power consumption, making it suitable for battery-powered applications.
• Serial interface: The AD7195BCPZ-RL7 utilizes a serial interface (SPI) for communication with microcontrollers or other digital devices.

Advantages and Disadvantages

Advantages

• High precision and accuracy in analog-to-digital conversion
• Flexible input configuration for various types of signals
• Integrated calibration system simplifies calibration procedures
• Low noise floor ensures reliable measurements
• Small form factor package for space-constrained applications

Disadvantages

• Relatively higher cost compared to lower-resolution ADCs
• Limited number of differential analog inputs

Working Principles

The AD7195BCPZ-RL7 operates on the principle of successive approximation. It converts analog signals into digital data by comparing the input voltage with a reference voltage and iteratively adjusting the digital