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ADS1281IPWR
+BOMIC ADC 31BIT SIGMA-DELTA 24TSSOP
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Nhà sản xuấtTexas Dụng cụ
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Ông. Phần #ADS1281IPWR
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Gói TSSOP (PW)-24
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Có sẵn7474
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Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| NumberofBits | 31 |
| SamplingRate(PerSecond) | 4k |
| NumberofInputs | 1 |
| InputType | Differential, Single Ended |
| DataInterface | SPI |
| Configuration | ADC |
| NumberofA/DConverters | 1 |
| Architecture | Sigma-Delta |
| ReferenceType | External |
| Voltage-SupplyAnalog | 5V |
| Voltage-SupplyDigital | 1.65V ~ 3.6V |
| OperatingTemperature | -40°C ~ 85°C |
| Package/Case | 24-TSSOP (0.173, 4.40mm Width) |
| SupplierDevicePackage | 24-TSSOP |
Tổng quan
Description
Key features of the ADS1281IPWR include a high data rate of up to 128 kSPS (kilosamples per second), excellent noise performance, and an integrated programmable gain amplifier (PGA). It operates on a single 2.7V to 5.25V supply and offers a differential input for enhanced accuracy and reduced interference. The device also features a low-latency digital filter with selectable bandwidth, which aids in achieving high precision and signal integrity.
The ADS1281IPWR supports serial peripheral interface (SPI) communication, enabling easy integration with microcontrollers and digital signal processors. Its small package size and robust performance make it suitable for space-constrained and power-sensitive applications. Overall, the ADS1281IPWR is a versatile and reliable choice for high-precision analog-to-digital conversion needs.
Equivalent
Features
1. Resolution and Performance: It offers a 24-bit resolution, ensuring high precision in data conversion. The ADC has excellent noise performance, which is critical for applications requiring detailed signal analysis.
2. Sampling Rate: The device supports a maximum data output rate, enabling fast data acquisition suitable for dynamic applications.
3. Input Range: It features a wide input range, allowing flexibility in handling different signal levels without the need for additional amplification.
4. Low Power Consumption: The ADS1281 is designed for low power operation, making it suitable for battery-powered devices and energy-efficient applications.
5. Interface: It includes a digital SPI interface for easy integration with microcontrollers and other digital devices.
6. Built-in Features: The ADC has built-in self-calibration and offset/gain correction capabilities to maintain accuracy over time and varying conditions.
These features make the ADS1281IPWR ideal for industrial, scientific, and medical applications where high precision and reliability are paramount.
Pinout
1. Power and Ground Pins:
- AVDD, DVDD: Analog and digital supply voltage.
- AVSS, DVSS: Analog and digital ground.
2. Analog Inputs:
- AINP, AINN: Differential analog input pins for the positive and negative input.
3. Reference Pins:
- VREFP, VREFN: Positive and negative reference voltage inputs.
4. Digital Interface Pins:
- DOUT/DRDY: Data output and data ready indicator.
- DIN: Data input for configuration.
- SCLK: Serial clock input.
- /CS: Chip select for SPI interface.
5. Control and Configuration Pins:
- SYNC: Synchronization input.
- PWDN: Power-down control.
- RESET: Reset input.
6. Clock Pins:
- CLK: Clock input for the ADC operation.
These pins support the ADS1281's functionality in high-resolution data acquisition systems, providing precise data conversion and interfacing capabilities.
Manufacturer
Application
1. Seismic Monitoring: Utilized for capturing accurate seismic data due to its high resolution and low noise performance.
2. Medical Instrumentation: Used in devices like EEG or ECG machines for precise bio-signal acquisition.
3. Industrial Process Control: Suitable for high-resolution data acquisition in industrial automation systems.
4. Weigh Scales: Provides accurate weight measurements in digital weigh scale systems.
5. Energy Exploration: Employed in oil and gas exploration for accurate subsurface data collection.
These applications benefit from its high-resolution, low-noise, and wide dynamic range characteristics.