AD7714ARZ-5

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AD7714ARZ-5

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IC ADC 24BIT SIGMA-DELTA 24SOIC

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Thông số kỹ thuật

thuộc tính Giá trị
Package / Case Bulk,Tube
Part Status Active
Number of Bits 24
Sampling Rate(Per Second) 1k
Number of Inputs 3, 5
Input Type Differential, Pseudo-Differential
Data Interface SPI, DSP
Configuration MUX-PGA-ADC
Number of A/D Converters 1
Architecture Sigma-Delta
Reference Type External
Voltage - Supply, Analog 5V
Voltage - Supply, Digital 3V ~ 5.25V
Features PGA
Operating Temperature -40°C ~ 85°C
Supplier Device Package 24-SOIC

Tổng quan

Description

The AD7714ARZ-5 is a 24-bit sigma-delta (Σ-Δ) ADC from Analog Devices, designed for low-frequency, high-precision measurement applications. It features on-chip programmable gain (1–128), a low-noise PGA, and dual differential input channels, making it ideal for sensor interfacing (e.g., thermocouples, strain gauges).
Key specifications:
- Resolution: 24 bits (no missing codes).
- Inputs: 2 fully differential or 4 pseudo-differential channels.
- Data Rate: Up to 500 Hz (with internal filter).
- Interface: SPI-compatible serial.
- Supply Voltage: 5V (±5V analog, +3V/+5V digital).
- Low Power: 1.5 mA max (active mode).
The AD7714ARZ-5 includes self-calibration and system calibration modes, ensuring accuracy over temperature and time. It’s widely used in industrial control, medical instruments, and weigh scales.
Package: 24-lead SOIC (RZ suffix).
Operating Temp: -40°C to +85°C.
For detailed specs, refer to the datasheet.

Equivalent

Equivalent products to the AD7714ARZ-5 (24-bit sigma-delta ADC) include:
- AD7714ARZ-3 (lower gain error spec)
- AD7714ANZ (DIP package variant)
- AD7715 (similar but with differential inputs)
- LTC2440 (24-bit ADC from Linear Tech)
- ADS1256 (24-bit ADC from Texas Instruments)
- MCP3551 (22-bit ADC from Microchip)
These alternatives offer comparable resolution and functionality for precision measurement applications.

Manufacturer

The AD7714ARZ-5 is manufactured by Analog Devices, Inc. (ADI), a leading global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965 and headquartered in Wilmington, Massachusetts, ADI serves industries like industrial, automotive, healthcare, and communications with precision data conversion, signal conditioning, and power management solutions. The AD7714ARZ-5 is a 24-bit sigma-delta ADC designed for low-frequency, high-accuracy measurement applications.
ADI is known for innovation in analog technology and holds a strong reputation for reliability and technical expertise.

Application

The AD7714ARZ-5 is a 24-bit sigma-delta ADC with low noise, high resolution, and on-chip digital filtering, making it ideal for:
1. Industrial Process Control – Pressure, temperature, and strain measurements.
2. Medical Instrumentation – Precision sensor interfaces (e.g., ECG, blood pressure monitors).
3. Weigh Scales & Load Cells – High-accuracy weight measurement.
4. Data Acquisition Systems – Low-frequency signal conditioning.
5. Automotive Sensors – Reliable signal conversion in harsh environments.
Its 5V operation, low power, and programmable gain suit applications requiring high-precision analog-to-digital conversion.

Package

The AD7714ARZ-5 comes in a 24-lead SOIC (Small Outline Integrated Circuit) package. This surface-mount package is compact and widely used for analog and mixed-signal ICs, offering good thermal and electrical performance. The "-5" suffix indicates its operating temperature range (-40°C to +85°C).

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