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ADS1220IPW
+Lista de MateriaisIC ADC 24BIT SIGMA-DELTA 16TSSOP
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FabricanteTexas Instruments
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Peça do Fabricante #ADS1220IPW
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Pacote TSSOP-16
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Em Estoque4062
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Especificações
| Atributo | Valor |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Number of Bits | 24 |
| Sampling Rate(Per Second) | 2k |
| Number of Inputs | 2, 4 |
| Input Type | Differential, Single Ended |
| Data Interface | SPI |
| Configuration | MUX-PGA-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External, Internal, Supply |
| Voltage - Supply, Analog | 2.3V ~ 5.5V, ±2.5 |
| Voltage - Supply, Digital | 2.3V ~ 5.5V |
| Features | PGA, Temperature Sensor |
| Operating Temperature | -40°C ~ 125°C |
| Supplier Device Package | 16-TSSOP |
Visão Geral
Description
Key features include a low-drift internal voltage reference, multiplexer, and a temperature sensor. The ADC operates with a single-supply voltage ranging from 2.3V to 5.5V and communicates via an SPI interface, which ensures compatibility with various microcontrollers and processors. The ADS1220IPW is often used in applications such as weigh scales, temperature measurement, and other industrial and consumer sensor interfaces.
Its small package size and high integration level allow for compact and efficient designs, reducing the need for additional external components. The device is designed to provide accurate and reliable performance in challenging environments.
Equivalent
1. Analog Devices AD7793: A similar 24-bit ADC designed for precision applications.
2. Microchip MCP3561R: A 24-bit ADC offering competitive performance for similar uses.
3. Maxim Integrated MAX11270: A low-power, 24-bit ADC for precise measurement needs.
These alternatives offer similar functionalities, such as precision measurement and energy efficiency, suitable for applications like sensor data acquisition.
Features
1. 24-bit Resolution: Provides high precision for accurate measurements.
2. Low Power Consumption: Ideal for battery-operated and portable devices.
3. Programmable Gain Amplifier (PGA): Supports gains from 1 to 128, enabling amplification of weak signals.
4. Data Rates: Offers data rates from 20 SPS to 2000 SPS, allowing flexibility in speed versus resolution trade-offs.
5. Low Noise Performance: Ensures accurate readings with minimal interference.
6. Internal Temperature Sensor: Provides additional functionality for temperature monitoring.
7. SPI Interface: Facilitates easy integration with microcontrollers via a serial peripheral interface.
8. Built-in Voltage Reference: Offers a stable reference voltage for consistent measurements.
9. Four Differential or Eight Single-ended Inputs: Supports versatile input configurations for various sensors.
10. Wide Supply Range: Operates from 2.3V to 5.5V, suitable for various power supply conditions.
11. Compact Package: Available in a TSSOP-16 package, making it suitable for space-constrained designs.
These features make the ADS1220IPW suitable for applications requiring high precision, low noise, and low power consumption.
Pinout
1. AVDD: Analog supply voltage.
2. AGND: Analog ground.
3. AINP: Positive analog input.
4. AINN: Negative analog input.
5. REFP: Positive reference voltage input.
6. REFN: Negative reference voltage input.
7. DRDY/DOUT: Data ready output and serial data output.
8. SCLK: Serial clock input.
9. DIN: Serial data input.
10. CS: Chip select.
11. START: Initiates the conversion.
12. PWDN: Power-down control.
13. DVDD: Digital supply voltage.
14. DGND: Digital ground.
15. MUX_OUT: Multiplexer output for the internal PGA.
16. PGA_IN: PGA input for external connections.
These pins enable the ADS1220IPW to interface with microcontrollers through an SPI-compatible interface, making it suitable for various data acquisition tasks.
Manufacturer
Application
1. Industrial Automation: For precise sensor measurements in process control systems.
2. Weighing Scales: Suitable for high-accuracy weight measurement.
3. Medical Equipment: Used in devices requiring accurate sensor data such as ECGs.
4. Temperature Sensing: Ideal for thermocouple and RTD measurements.
5. Portable Instruments: Used in battery-powered devices due to low power consumption.
6. Data Acquisition Systems: For general-purpose sensing and data logging.
These features make it versatile for high-precision, low-power, and versatile measurement systems.