Overview
The AD823AR-REEL7 is a dual, 16 MHz, rail-to-rail FET input amplifier produced by Analog Devices Inc. This device is designed for high-performance applications, particularly in the medical field, due to its excellent ac and dc characteristics. It operates on a single supply voltage ranging from 3 V to 36 V, making it versatile for various power configurations. The AD823AR-REEL7 is available in an 8-pin Small Outline Integrated Circuit (SOIC) package and is known for its low power consumption, high input impedance, and shutdown feature.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Number of Channels | 2 | - |
| Gain Bandwidth Product (GBP) | 10 MHz | - |
| Slew Rate (SR) | 25 V/μs | - |
| Common Mode Rejection Ratio (CMRR) | 82 dB | - |
| Operating Supply Voltage | 3 V to 36 V | - |
| Quiescent Current | 5.2 to 5.6 mA | - |
| Power Supply Rejection Ratio (PSRR) | 70 to 80 dB | - |
| Input Resistance | 1013 Ω | - |
| Input Capacitance | 1.8 pF | - |
| Output Current | 15 mA | - |
| Short-Circuit Current | Sourcing: 40 mA, Sinking: 30 mA | - |
| Capacitive Load Drive | 500 pF, G = +1 | - |
| Package Type | SOIC N-8 | - |
Key Features
- Single-supply operation from 3 V to 36 V
- Low input bias current
- Wide bandwidth of 16 MHz
- Low input offset voltage
- High common-mode rejection ratio (CMRR) of up to 82 dB
- Excellent ac and dc characteristics
- High input impedance of 1013 Ω
- Low power consumption with a quiescent current of 5.2 to 5.6 mA
- Shutdown feature for energy efficiency
- Capacitive load drive of up to 500 pF
Applications
The AD823AR-REEL7 is suitable for various medical and biomedical applications, including:
- ECG monitoring systems
- Portable ECG measurement devices
- Wearable health and fitness trackers
- Biomedical research equipment
- Physical rehabilitation equipment
- Remote health monitoring systems
- Telemedicine devices
- Cardiac event recorders
- Fetal monitoring devices
Q & A
- What is the operating supply voltage range of the AD823AR-REEL7?
The AD823AR-REEL7 operates from a single supply voltage ranging from 3 V to 36 V.
- What is the gain bandwidth product (GBP) of the AD823AR-REEL7?
The GBP of the AD823AR-REEL7 is 10 MHz.
- What is the slew rate of the AD823AR-REEL7?
The slew rate of the AD823AR-REEL7 is 25 V/μs.
- What is the common mode rejection ratio (CMRR) of the AD823AR-REEL7?
The CMRR of the AD823AR-REEL7 is up to 82 dB.
- What is the quiescent current of the AD823AR-REEL7?
The quiescent current of the AD823AR-REEL7 is between 5.2 and 5.6 mA.
- What is the package type of the AD823AR-REEL7?
The AD823AR-REEL7 is available in an 8-pin Small Outline Integrated Circuit (SOIC) package.
- What are some typical applications of the AD823AR-REEL7?
The AD823AR-REEL7 is commonly used in ECG monitoring systems, portable ECG measurement devices, wearable health and fitness trackers, and biomedical research equipment.
- Does the AD823AR-REEL7 have a shutdown feature?
- What is the capacitive load drive capability of the AD823AR-REEL7?
The AD823AR-REEL7 can drive up to 500 pF of capacitive load.
- What is the input resistance of the AD823AR-REEL7?
The input resistance of the AD823AR-REEL7 is 1013 Ω.
