AD7177-2BRUZ

Product Overview

Category

The AD7177-2BRUZ belongs to the category of analog-to-digital converters (ADCs).

Use

It is primarily used for converting analog signals into digital data.

Characteristics

• High-resolution: The AD7177-2BRUZ offers a resolution of up to 24 bits, allowing for precise conversion of analog signals.
• Low noise: It features low noise performance, ensuring accurate signal acquisition.
• High-speed conversion: With a maximum sampling rate of 250 kilosamples per second (ksps), it enables fast and efficient data conversion.
• Flexible input options: The ADC supports various input configurations, including single-ended, differential, and pseudo-differential modes.
• Integrated features: It incorporates programmable gain amplifiers (PGAs) and reference buffers, enhancing its versatility.

Package

The AD7177-2BRUZ comes in a small outline integrated circuit (SOIC) package, which provides ease of integration into electronic systems.

Essence

The essence of the AD7177-2BRUZ lies in its ability to accurately convert analog signals into digital data with high resolution and low noise.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

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

Detailed Pin Configuration

The AD7177-2BRUZ has a total of 32 pins, which are configured as follows:

1. REFOUT: Reference output
2. AIN1(+) / AIN1(-): Analog input 1 (differential mode)
3. AIN2(+) / AIN2(-): Analog input 2 (differential mode)
4. AIN3(+) / AIN3(-): Analog input 3 (differential mode)
5. AIN4(+) / AIN4(-): Analog input 4 (differential mode)
6. AIN5(+) / AIN5(-): Analog input 5 (differential mode)
7. AIN6(+) / AIN6(-): Analog input 6 (differential mode)
8. AIN7(+) / AIN7(-): Analog input 7 (differential mode)
9. AIN8(+) / AIN8(-): Analog input 8 (differential mode)
10. AVDD: Analog power supply
11. DVDD: Digital power supply
12. AGND: Analog ground
13. DGND: Digital ground
14. SDO: Serial data output
15. SCLK: Serial clock input
16. CS: Chip select input
17. DIN: Serial data input
18. DOUT/RDY: Data output/Ready signal

Functional Features

• Programmable Gain Amplifiers (PGAs): The AD7177-2BRUZ integrates PGAs, allowing for adjustable gain settings to accommodate different input signal levels.
• Reference Buffers: It includes reference buffers to ensure stable and accurate voltage references for the ADC.
• On-Chip Temperature Sensor: The ADC incorporates an on-chip temperature sensor, enabling temperature monitoring and compensation.
• Flexible Digital Interface: It supports various digital interface options, such as serial peripheral interface (SPI) and serial interface port (SIP), providing compatibility with different microcontrollers and systems.

Advantages and Disadvantages

Advantages

• High-resolution conversion for precise data acquisition.
• Low noise performance ensures accurate signal measurement.
• Flexible input options accommodate various analog signal configurations.
• Integrated features reduce the need for external components.
• Wide operating temperature range allows for versatile applications.

Disadvantages

• Limited maximum sampling rate compared to some other ADCs on the market.
• Requires external voltage references for optimal performance.

Working Principles

The AD7177-2BRUZ operates based on the successive approximation register (SAR) architecture. It utilizes a combination of analog and digital circuitry to convert analog signals into digital data. The analog input is sampled, amplified, and then converted into a digital representation using a series of comparisons and approximations. The resulting digital data is then outputted through the serial interface.

Detailed Application Field Plans

The AD7177-2BRUZ finds application in various fields, including:

1. Industrial Automation: It can be used for precise measurement and control in industrial automation systems, such as process monitoring and control, robotics, and instrumentation.
2. Medical Devices: The ADC's high resolution and low noise make it suitable for medical devices that require accurate signal acquisition, such as patient monitoring systems and