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ADS1220IPWR
+StücklisteIC ADC 24BIT SIGMA-DELTA 16TSSOP
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HerstellerTexas Instruments
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Herstellerteil #ADS1220IPWR
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Paket TSSOP-16
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Auf Lager6260
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| 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 |
Übersicht
Description
Key features include a wide range of programmable data rates, from 20 SPS to 2000 SPS, allowing for flexibility between speed and resolution. The ADS1220IPWR supports multiple input configurations with four differential or three differential and two single-ended inputs, along with a multiplexer for channel selection.
The device operates with a low power consumption of approximately 315 μA, supporting battery-powered and remote sensor applications. It also offers various interfaces for connectivity, notably an SPI-compatible interface for easy integration with microcontrollers.
The ADS1220IPWR comes in a TSSOP-16 package, making it compact and suitable for space-constrained designs. Its combination of features makes it an ideal choice for precision measurement applications.
Equivalent
1. AD7793 - Analog Devices
2. MAX11270 - Maxim Integrated
3. MCP3561 - Microchip Technology
4. LTC2440 - Analog Devices (formerly Linear Technology)
Each of these alternatives may have differences in specifications or features, so it's important to compare them based on your specific application requirements.
Features
1. Resolution and Accuracy: It offers a 24-bit resolution which provides high precision for a wide range of applications.
2. Data Rate: Configurable data rates up to 2 kSPS (samples per second).
3. Low Noise: Designed for low-noise performance, crucial for applications requiring high precision.
4. Power Consumption: Both high and low-power modes are available, optimized for energy efficiency.
5. Analog Inputs: Features four single-ended or two differential inputs, suitable for various sensor types.
6. Programmable Gain Amplifier (PGA): Integrated PGA with gains from 1 to 128, allowing for flexibility in measuring signals of different amplitudes.
7. Interface: Uses an SPI digital interface for easy integration with microcontrollers.
8. Operating Voltage: Operates within a supply voltage range of 2.3 V to 5.5 V.
9. Temperature Sensor: Includes an integrated temperature sensor for monitoring device temperature.
10. Built-in Diagnostics: Self-diagnosis and offset calibration feature enhances reliability.
These features make the ADS1220IPWR suitable for precision sensing applications, including industrial process control, medical instrumentation, and portable measurement devices.
Pinout
1. AVDD: Analog supply voltage.
2. AVSS: Analog ground.
3. DVDD: Digital supply voltage.
4. DGND: Digital ground.
5. AIN0: Analog input channel 0.
6. AIN1: Analog input channel 1.
7. AIN2: Analog input channel 2.
8. AIN3: Analog input channel 3.
9. REFP: Positive reference voltage input.
10. REFN: Negative reference voltage input.
11. DRDY/DOUT: Data ready output and serial data output.
12. SCLK: Serial clock input.
13. CS: Chip select input.
14. MUX: Multiplexer control.
15. PGA: Programmable gain amplifier.
16. START/SYNC: Start conversion or synchronize the master clock.
These pins allow the ADS1220 to interface with microcontrollers and other digital systems for the purpose of converting analog signals to digital data with high precision.