Overview
The AD623ARZ-R7 is a single and dual-supply, rail-to-rail, low-cost instrumentation amplifier produced by Analog Devices Inc. This device is designed to provide high accuracy and flexibility in various applications. It operates with supply voltages ranging from 2.7V to 12V and is capable of delivering rail-to-rail output swing. The AD623ARZ-R7 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package, making it suitable for surface mount applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | - | 12 | V |
| Dual Supply Voltage | ±2.5 | - | ±6 | V |
| Operating Temperature | -40 | - | 85 | °C |
| Quiescent Current (Dual Supply) | 375 | 550 | 625 | µA |
| Quiescent Current (Single Supply) | 305 | 480 | 625 | µA |
| Gain Bandwidth Product | - | 800 | - | kHz |
| Slew Rate | - | 0.3 | - | V/µs |
| Input Offset Voltage (Vos) | - | 25 | - | µV |
| Common Mode Rejection Ratio (CMRR) | 90 | - | - | dB |
| Power Supply Rejection Ratio (PSRR) | 80 | - | - | dB |
| Input Bias Current | - | 25 | - | nA |
| Package Type | - | SOIC-8 | - | - |
Key Features
- Rail-to-Rail Output Swing: The AD623ARZ-R7 provides rail-to-rail output swing, ensuring maximum signal range and minimizing distortion.
- Single and Dual-Supply Operation: The amplifier can operate with either single or dual power supplies, offering flexibility in system design.
- Low Power Consumption: With a typical quiescent current of 550 µA, this amplifier is suitable for low power applications.
- High Accuracy: The device features high accuracy DC performance with a gain error of 0.10% for G = 1 and 0.35% for G > 1.
- Programmable Gain: The gain can be set with a single external resistor, allowing gains from 1 to 1000.
- Low Noise: The amplifier has a low noise figure with 35 nV/√Hz RTI noise at 1 kHz.
- Wide Input Common-Mode Range: The input common-mode range extends 150 mV below ground in single-supply configurations.
Applications
- Low Power Medical Instrumentation: Suitable for medical devices requiring low power consumption and high accuracy.
- Transducer Interfaces: Ideal for interfacing with various transducers due to its high CMRR and low noise.
- Thermocouple Amplifiers: Used in thermocouple applications where high accuracy and low noise are critical.
- Industrial Process Controls: Applicable in industrial settings for signal conditioning and amplification.
- Difference Amplifiers: Can be used as a difference amplifier in various signal processing applications.
- Low Power Data Acquisition: Suitable for data acquisition systems where low power consumption is essential.
Q & A
- What is the supply voltage range for the AD623ARZ-R7?
The AD623ARZ-R7 can operate with supply voltages ranging from 2.7V to 12V, and in dual-supply configurations from ±2.5V to ±6V.
- What is the typical quiescent current of the AD623ARZ-R7?
The typical quiescent current is 550 µA for dual-supply and 480 µA for single-supply configurations.
- What is the gain range of the AD623ARZ-R7?
The gain can be set from 1 to 1000 using a single external resistor.
- What is the common-mode rejection ratio (CMRR) of the AD623ARZ-R7?
The CMRR is typically 90 dB.
- What is the slew rate of the AD623ARZ-R7?
The slew rate is 0.3 V/µs.
- What is the input offset voltage (Vos) of the AD623ARZ-R7?
The input offset voltage is typically 25 µV.
- What are the typical applications of the AD623ARZ-R7?
The AD623ARZ-R7 is used in low power medical instrumentation, transducer interfaces, thermocouple amplifiers, industrial process controls, difference amplifiers, and low power data acquisition.
- What is the package type of the AD623ARZ-R7?
The AD623ARZ-R7 is packaged in an 8-lead SOIC (Small Outline Integrated Circuit) package.
- Is the AD623ARZ-R7 RoHS compliant?
Yes, the AD623ARZ-R7 is RoHS compliant.
- What is the operating temperature range of the AD623ARZ-R7?
The operating temperature range is from -40°C to 85°C.
