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IC ADC 24BIT SIGMA-DELTA 24TSSOP
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FabricanteAnalog Devices Inc.
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Peça do Fabricante #AD7191BRUZ-REEL
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Number of Bits | 24 |
| Number of Inputs | 2 |
| Input Type | Differential |
| Data Interface | SPI |
| Configuration | MUX-PGA-ADC |
| Number of A / D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External |
| Voltage - Supply, Analog | 3V ~ 5.25V |
| Voltage - Supply, Digital | 2.7V ~ 5.25V |
| Features | PGA |
| Operating Temperature | -40°C ~ 105°C |
| Package / Case | 24-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 24-TSSOP |
| Mounting Type | Surface Mount |
| Base Product Number | AD7191 |
Visão Geral
Description
The AD7191BRUZ-REEL is a high-performance, low-power, 24-bit Sigma-Delta analog-to-digital converter (ADC) designed by Analog Devices. It features a complete signal conditioning solution with integrated programmable gain amplifiers (PGAs) and a low-noise reference, making it suitable for precision measurement applications. This ADC operates with a supply voltage range of 2.7V to 5.25V, and it offers a flexible digital interface, supporting both SPI and I²C communication protocols.
The AD7191 is optimized for repetitive measurements, providing high accuracy and low noise, crucial for applications in industrial control, weighing scales, and medical devices. With a 50 Hz to 2400 Hz output data rate, it can be configured for various applications, ensuring versatility. The device also features a built-in test (BIST) function, enhancing reliability.
In summary, the AD7191BRUZ-REEL stands out for its high resolution, low power consumption, and integrated features, making it an excellent choice for designers seeking precision in their analog signal processing applications.
The AD7191 is optimized for repetitive measurements, providing high accuracy and low noise, crucial for applications in industrial control, weighing scales, and medical devices. With a 50 Hz to 2400 Hz output data rate, it can be configured for various applications, ensuring versatility. The device also features a built-in test (BIST) function, enhancing reliability.
In summary, the AD7191BRUZ-REEL stands out for its high resolution, low power consumption, and integrated features, making it an excellent choice for designers seeking precision in their analog signal processing applications.
Equivalent
The AD7191BRUZ-REEL is a precision ADC from Analog Devices. Equivalent products include the following:
1. MCP3564 (Microchip) - A 24-bit delta-sigma ADC.
2. MAX11200 (Maxim Integrated) - A 24-bit ADC designed for low power.
3. LTC2440 (Linear Technology) - A delta-sigma ADC with similar specifications.
Always check specific features and performance parameters to ensure compatibility for your application.
1. MCP3564 (Microchip) - A 24-bit delta-sigma ADC.
2. MAX11200 (Maxim Integrated) - A 24-bit ADC designed for low power.
3. LTC2440 (Linear Technology) - A delta-sigma ADC with similar specifications.
Always check specific features and performance parameters to ensure compatibility for your application.
Features
The AD7191BRUZ-REEL is a high-performance, low-noise, 24-bit Sigma-Delta analog-to-digital converter (ADC) designed for precision measurement applications. Key features include:
1. Resolution: 24-bit resolution allows for high-detail signal conversion.
2. Low Noise: Achieves low noise performance, enhancing measurement accuracy.
3. Input Range: Configurable input range for various application needs.
4. Built-in Digital Filters: Programmable digital filter options for noise reduction and improved signal integrity.
5. Multiple Data Rates: Supports selectable output data rates, optimizing speed vs. performance.
6. Synchronous Serial Interface: Provides a flexible SPI-compatible interface for data communication.
7. Temperature Range: Operates over an industrial temperature range (-40°C to +85°C).
8. Low Power Consumption: Designed for low power operation, making it suitable for battery-operated devices.
9. Integrated Reference: On-chip voltage reference simplifies design and reduces component count.
Overall, the AD7191BRUZ-REEL is ideal for applications requiring high accuracy and precision, such as industrial automation, medical instrumentation, and weigh scales.
1. Resolution: 24-bit resolution allows for high-detail signal conversion.
2. Low Noise: Achieves low noise performance, enhancing measurement accuracy.
3. Input Range: Configurable input range for various application needs.
4. Built-in Digital Filters: Programmable digital filter options for noise reduction and improved signal integrity.
5. Multiple Data Rates: Supports selectable output data rates, optimizing speed vs. performance.
6. Synchronous Serial Interface: Provides a flexible SPI-compatible interface for data communication.
7. Temperature Range: Operates over an industrial temperature range (-40°C to +85°C).
8. Low Power Consumption: Designed for low power operation, making it suitable for battery-operated devices.
9. Integrated Reference: On-chip voltage reference simplifies design and reduces component count.
Overall, the AD7191BRUZ-REEL is ideal for applications requiring high accuracy and precision, such as industrial automation, medical instrumentation, and weigh scales.
Pinout
The AD7191BRUZ-REEL is a high-precision, low-noise, 24-bit sigma-delta ADC (Analog-to-Digital Converter) from Analog Devices. It features a 28-pin TSSOP (Thin Shrink Small Outline Package) configuration.
Key pin functions include:
1. Power Supply Pins: AVDD, DVDD (Supply for analog and digital sections).
2. Ground Pins: AGND, DGND (Ground for analog and digital sections).
3. Input Pins: IN+ and IN- (Differential input for the analog signal).
4. Reference Pins: REFIN+ and REFIN- (For external reference voltage connections).
5. Digital Interface Pins: CS (Chip Select), SCLK (Serial Clock), SDOUT (Serial Data Output), and SDIN (Serial Data Input).
6. Configuration Pins: Various pins for configuring the ADC’s operating modes, internal/external clock selection, and reset functionality.
This ADC is commonly used in applications requiring precise measurement, such as weighing scales and industrial process controls.
Key pin functions include:
1. Power Supply Pins: AVDD, DVDD (Supply for analog and digital sections).
2. Ground Pins: AGND, DGND (Ground for analog and digital sections).
3. Input Pins: IN+ and IN- (Differential input for the analog signal).
4. Reference Pins: REFIN+ and REFIN- (For external reference voltage connections).
5. Digital Interface Pins: CS (Chip Select), SCLK (Serial Clock), SDOUT (Serial Data Output), and SDIN (Serial Data Input).
6. Configuration Pins: Various pins for configuring the ADC’s operating modes, internal/external clock selection, and reset functionality.
This ADC is commonly used in applications requiring precise measurement, such as weighing scales and industrial process controls.
Manufacturer
The manufacturer of the AD7191BRUZ-REEL is Analog Devices, Inc. (ADI). Founded in 1965, Analog Devices is a multinational company headquartered in Norwood, Massachusetts, specializing in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. ADI focuses on various sectors, including communications, automotive, industrial automation, healthcare, and consumer electronics, providing solutions for signal processing and data conversion applications. The AD7191 is a low-noise, 24-bit analog-to-digital converter (ADC) that is particularly noted for its precision and is often used in applications requiring high accuracy, such as weigh scales and sensors.
Application
The AD7191BRUZ-REEL is a low-noise, high-resolution Sigma-Delta ADC suitable for various applications, including:
1. Industrial Automation: Used in process control and monitoring systems.
2. Medical Devices: Ideal for precision measurements in medical instrumentation.
3. Weighing Scales: Employed in digital scales for accurate weight measurement.
4. Data Acquisition Systems: Utilized in systems requiring high-resolution data capture.
5. Sensor Interfaces: Compatible with various sensors for temperature, pressure, and other measurements.
Its features make it ideal for applications demanding high accuracy and minimal noise.
1. Industrial Automation: Used in process control and monitoring systems.
2. Medical Devices: Ideal for precision measurements in medical instrumentation.
3. Weighing Scales: Employed in digital scales for accurate weight measurement.
4. Data Acquisition Systems: Utilized in systems requiring high-resolution data capture.
5. Sensor Interfaces: Compatible with various sensors for temperature, pressure, and other measurements.
Its features make it ideal for applications demanding high accuracy and minimal noise.
Package
The AD7191BRUZ-REEL is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package). This type of package is designed for compactness and is suitable for surface-mount applications.
