Specifications
| Attribute | Value |
| Package | Bulk,Tube |
| ProductStatus | Active |
| NumberofBits | 16 |
| SamplingRate(PerSecond) | 500 |
| NumberofInputs | 2 |
| InputType | Differential |
| DataInterface | SPI, DSP |
| Configuration | MUX-PGA-ADC |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External |
| Voltage-SupplyAnalog | 2.7V ~ 3.3V, 5V |
| Voltage-SupplyDigital | 2.7V ~ 3.3V, 5V |
| Features | PGA |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 16-TSSOP |
Overview
Description
The AD7705BRUZ is a low-power, precision analog-to-digital converter (ADC) by Analog Devices, designed primarily for low-frequency measurement applications. It features a 16-bit resolution and employs a sigma-delta modulation technique for high accuracy and noise reduction. The ADC is particularly useful for sensor signal conditioning, providing excellent performance in converting small analog signals to digital form.
The AD7705BRUZ operates from a single 2.7 V to 3.3 V supply and consumes minimal power, making it suitable for battery-powered applications. It offers a programmable gain amplifier, which allows input signal amplification from different sources without requiring external components. This flexibility enables it to handle various signal levels efficiently.
The device supports a serial interface, enabling easy integration with microcontrollers and digital systems. It includes self-calibration and system calibration features to maintain accuracy across different conditions. The AD7705BRUZ package type is TSSOP (Thin Shrink Small Outline Package), optimized for space-constrained applications. Overall, its precision, low power, and ease of integration make it ideal for applications such as industrial process control, instrumentation, and portable data acquisition systems.
The AD7705BRUZ operates from a single 2.7 V to 3.3 V supply and consumes minimal power, making it suitable for battery-powered applications. It offers a programmable gain amplifier, which allows input signal amplification from different sources without requiring external components. This flexibility enables it to handle various signal levels efficiently.
The device supports a serial interface, enabling easy integration with microcontrollers and digital systems. It includes self-calibration and system calibration features to maintain accuracy across different conditions. The AD7705BRUZ package type is TSSOP (Thin Shrink Small Outline Package), optimized for space-constrained applications. Overall, its precision, low power, and ease of integration make it ideal for applications such as industrial process control, instrumentation, and portable data acquisition systems.
Equivalent
The AD7705BRUZ is a low power, 16-bit sigma-delta ADC from Analog Devices. Equivalent products from other manufacturers could include the Texas Instruments ADS1115, which is also a low-power, 16-bit ADC but with a different architecture. Another alternative might be the Microchip MCP3421, which is a 18-bit ADC but can be configured for 16-bit resolution. Always verify electrical specifications and pin compatibility for your specific application requirements.
Features
The AD7705BRUZ is a high-resolution, low-power, analog-to-digital converter (ADC) from Analog Devices. Key features include:
1. Resolution: It offers a 16-bit resolution, allowing for precise measurement of analog signals.
2. Sigma-Delta Architecture: Utilizes sigma-delta modulation to provide high accuracy and noise suppression.
3. Differential Inputs: Includes two fully differential input channels, which are ideal for direct sensor interfacing.
4. Programmable Gain: Features a programmable gain stage, enabling input ranges from ±2.5mV to ±2.5V.
5. Low Power Consumption: Designed for battery-powered applications, it operates with low power consumption.
6. Serial Interface: Comes with a serial interface for easy integration with microcontrollers and digital signal processors.
7. On-Chip Calibration: Provides self-calibration and system calibration options to maintain accuracy over time and varying conditions.
8. Voltage Reference: Includes an on-chip voltage reference for consistent performance.
9. Package: Available in a compact TSSOP package, suitable for space-constrained applications.
The AD7705BRUZ is ideal for applications such as industrial process control, instrumentation, and portable data acquisition systems.
1. Resolution: It offers a 16-bit resolution, allowing for precise measurement of analog signals.
2. Sigma-Delta Architecture: Utilizes sigma-delta modulation to provide high accuracy and noise suppression.
3. Differential Inputs: Includes two fully differential input channels, which are ideal for direct sensor interfacing.
4. Programmable Gain: Features a programmable gain stage, enabling input ranges from ±2.5mV to ±2.5V.
5. Low Power Consumption: Designed for battery-powered applications, it operates with low power consumption.
6. Serial Interface: Comes with a serial interface for easy integration with microcontrollers and digital signal processors.
7. On-Chip Calibration: Provides self-calibration and system calibration options to maintain accuracy over time and varying conditions.
8. Voltage Reference: Includes an on-chip voltage reference for consistent performance.
9. Package: Available in a compact TSSOP package, suitable for space-constrained applications.
The AD7705BRUZ is ideal for applications such as industrial process control, instrumentation, and portable data acquisition systems.
Pinout
The AD7705BRUZ is a 16-bit, low-power, sigma-delta analog-to-digital converter (ADC) with an SPI-compatible interface. It comes in a 16-lead TSSOP package. The key functions and pin assignments are as follows:
1. VDD: Power supply pin.
2. GND: Ground reference pin.
3. AIN1(+), AIN1(-): Differential analog input channel 1.
4. AIN2(+), AIN2(-): Differential analog input channel 2.
5. REFIN(+), REFIN(-): Positive and negative reference voltage inputs.
6. SCLK: Serial clock input for SPI communication.
7. DIN: Serial data input for SPI.
8. DOUT: Serial data output for SPI, used for reading data from the ADC.
9. CS: Chip select input, active low, for enabling the device.
10. RESET: Reset input, active low, for resetting the ADC.
11. DRDY: Data ready output; signals when new data is available.
12. CLKIN: External clock input.
This device is commonly used in applications requiring precise analog-to-digital conversion, such as in instrumentation and data acquisition systems.
1. VDD: Power supply pin.
2. GND: Ground reference pin.
3. AIN1(+), AIN1(-): Differential analog input channel 1.
4. AIN2(+), AIN2(-): Differential analog input channel 2.
5. REFIN(+), REFIN(-): Positive and negative reference voltage inputs.
6. SCLK: Serial clock input for SPI communication.
7. DIN: Serial data input for SPI.
8. DOUT: Serial data output for SPI, used for reading data from the ADC.
9. CS: Chip select input, active low, for enabling the device.
10. RESET: Reset input, active low, for resetting the ADC.
11. DRDY: Data ready output; signals when new data is available.
12. CLKIN: External clock input.
This device is commonly used in applications requiring precise analog-to-digital conversion, such as in instrumentation and data acquisition systems.
Manufacturer
The manufacturer of the AD7705BRUZ is Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design, manufacturing, and marketing of integrated circuits used in analog and digital signal processing. The company is known for its high-performance analog, mixed-signal, and digital signal processing technologies and solutions. It serves a wide range of industries including industrial, automotive, consumer electronics, healthcare, communications, and more. Analog Devices’ products are used in applications that require reliable and precise signal processing capabilities.
Application
The AD7705BRUZ is a 16-bit sigma-delta analog-to-digital converter (ADC) commonly used in precision measurement applications. Its key application areas include:
1. Industrial Process Control: For precise monitoring and control of processes.
2. Weigh Scales: Used in digital weigh scales for accurate weight measurements.
3. Medical Instrumentation: Provides high-resolution data acquisition for medical devices.
4. Gas Analysis: Used in systems that require precise gas measurement.
5. Temperature Monitoring: For high-resolution temperature data acquisition.
6. Pressure Measurement: Suited for accurate pressure sensing applications.
Each of these areas leverages the ADC's high resolution and low power consumption capabilities.
1. Industrial Process Control: For precise monitoring and control of processes.
2. Weigh Scales: Used in digital weigh scales for accurate weight measurements.
3. Medical Instrumentation: Provides high-resolution data acquisition for medical devices.
4. Gas Analysis: Used in systems that require precise gas measurement.
5. Temperature Monitoring: For high-resolution temperature data acquisition.
6. Pressure Measurement: Suited for accurate pressure sensing applications.
Each of these areas leverages the ADC's high resolution and low power consumption capabilities.
Package
The AD7705BRUZ is a precision analog-to-digital converter from Analog Devices, featuring a 16-bit resolution. It comes in a TSSOP (Thin Shrink Small Outline Package) with 16 pins, offering a compact form factor suitable for space-constrained applications.
