AD7738BRUZ-REEL7

Product Overview

Category

The AD7738BRUZ-REEL7 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 AD7738BRUZ-REEL7 offers exceptional accuracy in converting analog signals to digital data.
• Low noise: It minimizes the interference and noise during the conversion process, ensuring reliable and clean digital output.
• Wide dynamic range: This chip can handle a broad range of input signal amplitudes, making it suitable for diverse applications.
• Fast conversion speed: The AD7738BRUZ-REEL7 provides rapid analog-to-digital conversion, enabling real-time data acquisition.

Package

The AD7738BRUZ-REEL7 comes in a small outline integrated circuit (SOIC) 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 AD7738BRUZ-REEL7 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: The AD7738BRUZ-REEL7 offers a resolution of 24 bits, ensuring accurate representation of analog signals.
• Input voltage range: It supports a wide input voltage range from -Vref to +Vref, accommodating various signal levels.
• Sampling rate: The chip can achieve a maximum sampling rate of 250 kilosamples per second (ksps), allowing for fast data acquisition.
• Power supply: The AD7738BRUZ-REEL7 operates on a single power supply voltage ranging from 2.7V to 5.25V.

Detailed Pin Configuration

The AD7738BRUZ-REEL7 has a total of 28 pins, each serving a specific function. The pin configuration is as follows:

1. VDD: Power supply voltage input
2. VREFIN: Reference voltage input
3. AGND: Analog ground
4. AVDD: Analog power supply voltage input
5. DVDD: Digital power supply voltage input
6. DGND: Digital ground
7. AIN1(+) and AIN1(-): Differential analog input pins
8. AIN2(+) and AIN2(-): Differential analog input pins
9. AIN3(+) and AIN3(-): Differential analog input pins
10. AIN4(+) and AIN4(-): Differential analog input pins
11. AIN5(+) and AIN5(-): Differential analog input pins
12. AIN6(+) and AIN6(-): Differential analog input pins
13. AIN7(+) and AIN7(-): Differential analog input pins
14. AIN8(+) and AIN8(-): Differential analog input pins
15. REFOUT: Reference voltage output
16. REFIN1(+), REFIN1(-), REFIN2(+), REFIN2(-): Reference voltage input pins
17. SCLK: Serial clock input
18. DIN: Serial data input
19. DOUT: Serial data output
20. CS: Chip select input
21. RDY: Ready output
22. RESET: Reset input
23. SYNC: Synchronization input
24. EXCITATION: Excitation current source output

Functional Features

• High-resolution conversion: The AD7738BRUZ-REEL7 provides precise analog-to-digital conversion with its 24-bit resolution.
• Flexible input configuration: It supports differential analog inputs, allowing for versatile signal connections.
• Serial interface: The chip utilizes a serial interface for easy integration with microcontrollers and other digital systems.
• On-chip reference voltage: The AD7738BRUZ-REEL7 includes an on-chip reference voltage source, simplifying the external circuitry requirements.

Advantages and Disadvantages

Advantages

• High precision conversion ensures accurate representation of analog signals.
• Low noise output guarantees reliable and clean digital data.
• Wide dynamic range accommodates various input signal amplitudes.
• Fast conversion speed enables real-time data acquisition.

Disadvantages

• Limited to 24-bit resolution, which may not be sufficient for certain high-precision applications.
• Requires additional external components for proper operation, such as reference voltage sources.

Working Principles

The AD7738BRUZ-REEL7 operates based on the principle of successive approximation. It samples the analog input signal, compares it to an internal reference voltage, and iteratively adjusts the digital representation until convergence is achieved. This process ensures accurate conversion of analog signals into digital