Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Number of Bits | 12 |
| Sampling Rate(Per Second) | 500k |
| Number of Inputs | 1 |
| Input Type | Differential, Pseudo-Differential, Single Ended |
| Data Interface | SPI |
| Configuration | PGA-ADC |
| Ratio - S / H: ADC | 0:1 |
| Number of A/D Converters | 1 |
| Architecture | SAR |
| Reference Type | Internal |
| Voltage - Supply, Analog | 4.75V ~ 5.25V |
| Voltage - Supply, Digital | 1.65V ~ 5.25V |
| Features | Internal Oscillator, PGA |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 16-TSSOP |
Tổng quan
Description
The ADS8665IPWR is a precision, 16-bit analog-to-digital converter (ADC) from Texas Instruments, designed for data acquisition systems. It features a high-speed, low-power SAR (Successive Approximation Register) architecture, capable of converting at a rate of up to 500 kSPS (kilosamples per second). This ADC operates on a single 5V supply and includes an integrated programmable gain amplifier, allowing it to handle input ranges up to ±12V, making it versatile for various applications.
The ADS8665IPWR offers excellent linearity and low total harmonic distortion, ensuring precise signal conversion. It also features a built-in reference and a versatile serial interface, compatible with SPI, simplifying integration with microcontrollers and DSPs. Its small TSSOP (Thin Shrink Small Outline Package) form factor makes it suitable for space-constrained designs.
Ideal for industrial automation, medical instruments, and communication systems, the ADS8665IPWR balances performance with power efficiency, making it a reliable choice for precise and high-speed data conversion tasks.
The ADS8665IPWR offers excellent linearity and low total harmonic distortion, ensuring precise signal conversion. It also features a built-in reference and a versatile serial interface, compatible with SPI, simplifying integration with microcontrollers and DSPs. Its small TSSOP (Thin Shrink Small Outline Package) form factor makes it suitable for space-constrained designs.
Ideal for industrial automation, medical instruments, and communication systems, the ADS8665IPWR balances performance with power efficiency, making it a reliable choice for precise and high-speed data conversion tasks.
Equivalent
The ADS8665IPWR is a high-performance analog-to-digital converter (ADC) from Texas Instruments. Equivalent products may include:
1. AD7606 series from Analog Devices - another high-speed ADC with similar specifications.
2. LTC2358 series from Analog Devices (formerly Linear Technology) - offers similar multi-channel, simultaneous sampling capabilities.
3. MAX11040 series from Maxim Integrated, now part of Analog Devices - provides similar high-resolution and fast sampling features.
These alternatives should be checked for specific pin compatibility and performance requirements.
1. AD7606 series from Analog Devices - another high-speed ADC with similar specifications.
2. LTC2358 series from Analog Devices (formerly Linear Technology) - offers similar multi-channel, simultaneous sampling capabilities.
3. MAX11040 series from Maxim Integrated, now part of Analog Devices - provides similar high-resolution and fast sampling features.
These alternatives should be checked for specific pin compatibility and performance requirements.
Features
The ADS8665IPWR is a precision analog-to-digital converter (ADC) featuring a 16-bit resolution and a high-speed successive approximation register (SAR) architecture. It operates with a single 5V analog supply and a separate 1.8V to 5V digital supply. The device offers a maximum sampling rate of 500 kSPS, making it suitable for high-speed data acquisition systems.
Key features include:
- High input impedance with programmable gain and offset, offering input ranges from ±10.24V to ±0.256V.
- Built-in reference and reference buffer to simplify design.
- A flexible serial interface that supports SPI, ensuring compatibility with various microcontrollers and DSPs.
- Low power consumption, benefiting battery-powered and portable applications.
- Integrated multiplexer with four differential or eight single-ended channels.
- Excellent noise performance and high signal-to-noise ratio (SNR).
These features make the ADS8665IPWR well-suited for industrial automation, instrumentation, and motor control applications where precision and reliability are critical.
Key features include:
- High input impedance with programmable gain and offset, offering input ranges from ±10.24V to ±0.256V.
- Built-in reference and reference buffer to simplify design.
- A flexible serial interface that supports SPI, ensuring compatibility with various microcontrollers and DSPs.
- Low power consumption, benefiting battery-powered and portable applications.
- Integrated multiplexer with four differential or eight single-ended channels.
- Excellent noise performance and high signal-to-noise ratio (SNR).
These features make the ADS8665IPWR well-suited for industrial automation, instrumentation, and motor control applications where precision and reliability are critical.
Pinout
The ADS8665IPWR is a precision analog-to-digital converter (ADC) from Texas Instruments, featuring a 12-bit resolution. It comes in a 16-pin TSSOP (Thin Shrink Small Outline Package).
Pin Count: 16 pins
Key Functions:
1. Analog Input (AIN_P, AIN_N): Differential inputs for the analog signal.
2. Reference (REFIN/OUT): Can be used as an input or output for the reference voltage.
3. Power Supply (AVDD, DVDD): AVDD is for analog power, and DVDD is for digital power.
4. Ground (AGND, DGND): Analog and digital grounds.
5. Serial Interface (SDO, SDI, SCLK, CS): Used for SPI communication. SDO is the data output, SDI is the data input, SCLK is the serial clock, and CS is the chip select.
6. Convert Start (CNVST): Initiates the conversion process.
7. Busy Indicator (BUSY): Signals when the ADC is busy converting.
8. Calibration (CAL): Used to initiate calibration.
These functions allow the ADS8665IPWR to convert analog signals into digital with high precision for various applications.
Pin Count: 16 pins
Key Functions:
1. Analog Input (AIN_P, AIN_N): Differential inputs for the analog signal.
2. Reference (REFIN/OUT): Can be used as an input or output for the reference voltage.
3. Power Supply (AVDD, DVDD): AVDD is for analog power, and DVDD is for digital power.
4. Ground (AGND, DGND): Analog and digital grounds.
5. Serial Interface (SDO, SDI, SCLK, CS): Used for SPI communication. SDO is the data output, SDI is the data input, SCLK is the serial clock, and CS is the chip select.
6. Convert Start (CNVST): Initiates the conversion process.
7. Busy Indicator (BUSY): Signals when the ADC is busy converting.
8. Calibration (CAL): Used to initiate calibration.
These functions allow the ADS8665IPWR to convert analog signals into digital with high precision for various applications.
Manufacturer
The ADS8665IPWR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits. Its products are used in a wide range of electronic devices, including those in industrial, automotive, personal electronics, and communication sectors. TI is renowned for its robust product portfolio that includes analog chips, digital signal processors, microcontrollers, and other semiconductor devices. The company is known for its innovation and substantial contributions to the electronics and semiconductor industry.
Application
The ADS8665IPWR is a precision analog-to-digital converter (ADC) used in various applications. Key areas include:
1. Industrial Automation: For precise monitoring and control in factory environments.
2. Instrumentation: Utilized in devices requiring accurate data acquisition and measurement.
3. Medical Equipment: Used in imaging and diagnostic devices for high-precision data conversion.
4. Power and Energy: Employed in systems for energy monitoring and smart grid applications.
5. Test and Measurement: Integral in testing instruments that require high-resolution data capture.
Its high resolution and programmable features make it suitable for applications demanding accurate and reliable signal conversion.
1. Industrial Automation: For precise monitoring and control in factory environments.
2. Instrumentation: Utilized in devices requiring accurate data acquisition and measurement.
3. Medical Equipment: Used in imaging and diagnostic devices for high-precision data conversion.
4. Power and Energy: Employed in systems for energy monitoring and smart grid applications.
5. Test and Measurement: Integral in testing instruments that require high-resolution data capture.
Its high resolution and programmable features make it suitable for applications demanding accurate and reliable signal conversion.
Package
The ADS8665IPWR is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package).
