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AD7172-2BRUZ
+NomenclatureIC ADC 24BIT SIGMA-DELTA 24TSSOP
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #AD7172-2BRUZ
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Package TSSOP-24
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En stock6204
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Spécifications
| Attribut | Valeur |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Number of Bits | 24 |
| Sampling Rate(Per Second) | 31.25k |
| Number of Inputs | 2, 4 |
| Input Type | Differential, Single Ended |
| Data Interface | SPI, DSP |
| Configuration | MUX-ADC |
| Number of A/D Converters | 1 |
| Architecture | Sigma-Delta |
| Reference Type | External, Internal |
| Voltage - Supply, Analog | 2V ~ 5.5V |
| Voltage - Supply, Digital | 2V ~ 5.5V |
| Operating Temperature | -40°C ~ 105°C |
| Supplier Device Package | 24-TSSOP |
Présentation
Description
Key features of the AD7172-2BRUZ include:
- Up to 31.25 kSPS (kilo-samples per second) data rate.
- Two fully differential or four single-ended input channels.
- Integrated programmable gain amplifier (PGA) with a gain range up to 128.
- Low power consumption, making it suitable for battery-powered devices.
- SPI-compatible serial interface for easy integration with microcontrollers or digital signal processors.
- Robust performance with excellent linearity and low offset error.
The AD7172-2BRUZ is particularly valued for its versatility and reliability in high-precision data acquisition systems, offering a combination of performance, integration, and ease of use.
Equivalent
Features
1. Resolution and Channels: It offers a 24-bit resolution with two differential or four single-ended input channels.
2. Speed and Flexibility: The ADC can achieve data rates up to 31.25 kSPS, making it suitable for various precision measurement applications.
3. Noise Performance: It has excellent noise performance, boasting a noise-free resolution of up to 22 bits, which is ideal for low-level signal measurements.
4. Integrated Functions: The device includes a precision reference, a programmable gain amplifier (PGA), and an on-chip oscillator, reducing the need for external components.
5. Low Power Consumption: The AD7172-2 is designed for low power operation, making it suitable for battery-powered applications.
6. Digital Interfaces and Diagnostics: It supports SPI communication and includes diagnostic features like cyclic redundancy checks (CRC) and various fault detection mechanisms.
7. Temperature Range: The device is designed to operate over a wide industrial temperature range from -40°C to +105°C.
These features make the AD7172-2BRUZ suitable for applications like process control, medical instrumentation, and data acquisition systems.
Pinout
Here’s a concise overview of its pin functions:
1. AVDD: Analog power supply.
2. DVDD: Digital power supply.
3. AGND: Analog ground.
4. DGND: Digital ground.
5. AIN0/REF2+: Analog input or reference input.
6. AIN1/REF2-: Analog input or reference input.
7. AIN2/REF1+: Analog input or reference input.
8. AIN3/REF1-: Analog input or reference input.
9. SCLK: Serial clock input for SPI interface.
10. DIN: Serial data input for SPI interface.
11. DOUT/RDY: Serial data output/ready output for SPI interface.
12. CS: Chip select input for SPI interface.
13. SYNC/ERROR: Synchronization input/Error output.
14. GPIO0/MDAT: General-purpose input/output or data ready.
15. GPIO1: General-purpose input/output.
16. RESET: Reset input.
The AD7172-2BRUZ is suitable for precision measurement applications, offering reliable analog-to-digital conversion with flexible input configurations.
Manufacturer
Application
1. Industrial Automation and Process Control: For precise measurement of temperature, pressure, and flow.
2. Weigh Scales: Accurate weight measurement systems.
3. Medical Instrumentation: In medical devices for capturing detailed bio-signals.
4. Test and Measurement Equipment: Ensuring precise signal analysis.
5. Energy Monitoring: For accurate power and energy measurement systems.
6. Smart Sensors: In applications where sensor accuracy is critical.
These applications benefit from the device's low noise, low power consumption, and high precision.