Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of Bits | 16 |
| Sampling Rate(Per Second) | 100k |
| Number of Inputs | 1 |
| Input Type | Pseudo-Differential, Single Ended |
| Data Interface | SPI |
| Configuration | PGA-S/H-ADC |
| Ratio - S / H: ADC | 1:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 5V |
| Voltage - Supply, Digital | 1.65V ~ 5.25V |
| Features | PGA |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Supplier Device Package | 16-TSSOP |
Tổng quan
Description
The ADS8689IPWR is a precision analog-to-digital converter (ADC) from Texas Instruments, designed for high-performance data acquisition systems. It is an 18-bit successive approximation register (SAR) ADC that operates at a maximum sampling rate of 500 kSPS. The device offers a wide unipolar and bipolar input range, making it versatile for various applications.
Key features of the ADS8689IPWR include integrated input clamps, programmable gain amplifier (PGA), and a low-drift voltage reference, which enhance its accuracy and reliability. The ADC communicates via an SPI-compatible serial interface, providing ease of integration with microcontrollers and digital signal processors.
The ADS8689IPWR is ideal for applications requiring precise measurements, such as industrial automation, medical instrumentation, and test and measurement equipment. Its small footprint, high resolution, and robust performance make it a preferred choice for designers seeking efficient and accurate data conversion solutions. Additionally, the device's power efficiency and wide operating temperature range further contribute to its suitability for demanding environments.
Key features of the ADS8689IPWR include integrated input clamps, programmable gain amplifier (PGA), and a low-drift voltage reference, which enhance its accuracy and reliability. The ADC communicates via an SPI-compatible serial interface, providing ease of integration with microcontrollers and digital signal processors.
The ADS8689IPWR is ideal for applications requiring precise measurements, such as industrial automation, medical instrumentation, and test and measurement equipment. Its small footprint, high resolution, and robust performance make it a preferred choice for designers seeking efficient and accurate data conversion solutions. Additionally, the device's power efficiency and wide operating temperature range further contribute to its suitability for demanding environments.
Equivalent
The ADS8689IPWR is a precision analog-to-digital converter (ADC) from Texas Instruments. Equivalent products with similar specifications from other manufacturers include:
1. Analog Devices AD7699: A 16-bit, 8-channel ADC with similar functionality.
2. Microchip MCP33151-05: A 16-bit, single-channel ADC.
3. Maxim Integrated MAX11131: A 16-bit, multi-channel ADC.
These alternatives offer comparable resolution and multi-channel capabilities but vary in specific features and performance characteristics. Always verify electrical specifications and compatibility when selecting substitutes.
1. Analog Devices AD7699: A 16-bit, 8-channel ADC with similar functionality.
2. Microchip MCP33151-05: A 16-bit, single-channel ADC.
3. Maxim Integrated MAX11131: A 16-bit, multi-channel ADC.
These alternatives offer comparable resolution and multi-channel capabilities but vary in specific features and performance characteristics. Always verify electrical specifications and compatibility when selecting substitutes.
Features
The ADS8689IPWR is a precision analog-to-digital converter (ADC) featuring the following key characteristics:
1. Resolution and Speed: It offers 16-bit resolution and a maximum sampling rate of 500 kSPS, making it suitable for high-precision applications.
2. Input Range: The ADC supports a wide input voltage range, which can be configured from ±10.24 V to ±0.256 V, and includes both unipolar and bipolar options.
3. Integrated Features: It includes an integrated precision programmable gain amplifier (PGA) and a 4-channel multiplexer, enhancing its flexibility for various input scenarios.
4. Interface: The device uses a Serial Peripheral Interface (SPI) for communication, facilitating easy integration with microcontrollers and digital systems.
5. Power Supplies: It operates on a single analog supply voltage ranging from 4.5 V to 5.5 V and a digital supply voltage from 1.65 V to 5.5 V.
6. Low Power Consumption: Designed for efficiency, it features low power consumption, making it ideal for battery-powered and portable applications.
These features make the ADS8689IPWR a versatile ADC for industrial, instrumentation, and data acquisition systems.
1. Resolution and Speed: It offers 16-bit resolution and a maximum sampling rate of 500 kSPS, making it suitable for high-precision applications.
2. Input Range: The ADC supports a wide input voltage range, which can be configured from ±10.24 V to ±0.256 V, and includes both unipolar and bipolar options.
3. Integrated Features: It includes an integrated precision programmable gain amplifier (PGA) and a 4-channel multiplexer, enhancing its flexibility for various input scenarios.
4. Interface: The device uses a Serial Peripheral Interface (SPI) for communication, facilitating easy integration with microcontrollers and digital systems.
5. Power Supplies: It operates on a single analog supply voltage ranging from 4.5 V to 5.5 V and a digital supply voltage from 1.65 V to 5.5 V.
6. Low Power Consumption: Designed for efficiency, it features low power consumption, making it ideal for battery-powered and portable applications.
These features make the ADS8689IPWR a versatile ADC for industrial, instrumentation, and data acquisition systems.
Pinout
The ADS8689IPWR is a high-precision, single-channel, 16-bit analog-to-digital converter (ADC) with an integrated programmable gain amplifier and reference. It is part of the ADS8689 series manufactured by Texas Instruments. The device comes in a 16-pin TSSOP (Thin Shrink Small Outline Package).
Here is a brief overview of the pin functions:
1. VDD: Supply voltage input.
2. AGND: Analog ground.
3. REFIO: External reference input/output.
4. AINP: Analog input positive.
5. AINN: Analog input negative.
6. AVDD: Analog supply voltage.
7. DVDD: Digital supply voltage.
8. DGND: Digital ground.
9. RESET: Device reset input.
10. CONVST/CS: Start conversion/Chip select.
11. SCLK: Serial clock input.
12. SDI: Serial data input.
13. SDO: Serial data output.
14. ALERT/RDY: Alert or ready output.
15. GND: Common ground.
16. DNC: Do not connect.
This ADC is suitable for precision data acquisition applications, offering features like a wide input range and high-speed SPI-compatible serial interface.
Here is a brief overview of the pin functions:
1. VDD: Supply voltage input.
2. AGND: Analog ground.
3. REFIO: External reference input/output.
4. AINP: Analog input positive.
5. AINN: Analog input negative.
6. AVDD: Analog supply voltage.
7. DVDD: Digital supply voltage.
8. DGND: Digital ground.
9. RESET: Device reset input.
10. CONVST/CS: Start conversion/Chip select.
11. SCLK: Serial clock input.
12. SDI: Serial data input.
13. SDO: Serial data output.
14. ALERT/RDY: Alert or ready output.
15. GND: Common ground.
16. DNC: Do not connect.
This ADC is suitable for precision data acquisition applications, offering features like a wide input range and high-speed SPI-compatible serial interface.
Manufacturer
The ADS8689IPWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company. It is known for developing and producing a wide range of electronic components, including integrated circuits, sensors, and processors, which are used in various applications such as industrial, automotive, consumer electronics, and communications. TI is particularly recognized for its innovations in analog and embedded processing products.
Application
The ADS8689IPWR is a high-performance, analog-to-digital converter (ADC) commonly used in various applications requiring precision and accuracy. Key application areas include:
1. Industrial Automation: For monitoring and controlling machinery and processes.
2. Instrumentation: In precision measurement equipment and data acquisition systems.
3. Medical Devices: Used in diagnostic and monitoring equipment where accurate data conversion is critical.
4. Energy and Power Systems: For smart grid applications and power quality monitoring.
5. Automotive Systems: In advanced driver-assistance systems (ADAS) and battery management systems.
6. Test and Measurement Equipment: For capturing high-resolution data in various testing scenarios.
These applications leverage the ADS8689IPWR's high resolution, integrated features, and wide input range.
1. Industrial Automation: For monitoring and controlling machinery and processes.
2. Instrumentation: In precision measurement equipment and data acquisition systems.
3. Medical Devices: Used in diagnostic and monitoring equipment where accurate data conversion is critical.
4. Energy and Power Systems: For smart grid applications and power quality monitoring.
5. Automotive Systems: In advanced driver-assistance systems (ADAS) and battery management systems.
6. Test and Measurement Equipment: For capturing high-resolution data in various testing scenarios.
These applications leverage the ADS8689IPWR's high resolution, integrated features, and wide input range.
Package
The ADS8689IPWR is packaged in a TSSOP-16 (Thin Shrink Small Outline Package) type, which is a 16-pin package with a small footprint suitable for high-density applications.
