Overview
The AD704AR-16 from Analog Devices Inc. is a quad, low-power bipolar operational amplifier (op amp) known for its high precision and low input bias current. This device combines the benefits of low input bias current similar to BiFET amplifiers with the low drift characteristics of bipolar amplifiers. It is particularly suited for applications requiring high accuracy and low noise, such as precision instrumentation, industrial/process controls, and low-frequency active filters.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Amplifier Type | General Purpose |
| Number of Circuits | 4 |
| Slew Rate | 0.1 V/µs |
| Gain Bandwidth Product | 800 kHz |
| -3db Bandwidth | 800 kHz |
| Input Bias Current | 100 pA |
| Input Offset Voltage | 50 µV |
| Supply Current (per channel) | 1.5 mA |
| Output Current (per channel) | 15 mA |
| Supply Voltage Range | 4 V to 36 V |
| Operating Temperature Range | -40°C to +85°C |
Key Features
- Low Input Bias Current: The AD704AR-16 features picoampere input bias current levels, similar to FET input amplifiers, but with significantly lower drift over temperature.
- Low Noise Characteristics: It offers the low noise characteristics of a precision bipolar input op amp, making it suitable for high-impedance sources.
- Low Power Consumption: With a supply current of 1.5 mA per channel, it is well-suited for battery-powered applications and high-density circuit boards.
- High Precision: The device has a low input offset voltage of 50 µV and is internally compensated for unity gain stability.
- Wide Operating Temperature Range: Rated over the industrial temperature range of -40°C to +85°C.
Applications
- Precision Instrumentation: Ideal for use in precision instrumentation due to its high accuracy and low noise characteristics.
- Industrial/Process Controls: Suitable for industrial and process control applications requiring reliable and precise signal processing.
- Low Frequency Active Filters: Excellent choice for low-frequency active filters in 12- and 14-bit data acquisition systems.
- ECG/EKG Instrumentation: Used in medical instrumentation such as ECG/EKG due to its high precision and low noise.
- Weigh Scales: Applied in weigh scales and other precision measurement devices.
Q & A
- What is the input bias current of the AD704AR-16?
The input bias current of the AD704AR-16 is 100 pA. - What is the gain bandwidth product of the AD704AR-16?
The gain bandwidth product of the AD704AR-16 is 800 kHz. - What is the operating temperature range of the AD704AR-16?
The operating temperature range of the AD704AR-16 is -40°C to +85°C. - How many channels does the AD704AR-16 have?
The AD704AR-16 is a quad op amp, meaning it has four channels. - What is the supply voltage range for the AD704AR-16?
The supply voltage range for the AD704AR-16 is 4 V to 36 V. - What is the slew rate of the AD704AR-16?
The slew rate of the AD704AR-16 is 0.1 V/µs. - Is the AD704AR-16 internally compensated for unity gain stability?
Yes, the AD704AR-16 is internally compensated for unity gain stability. - What are the typical applications of the AD704AR-16?
The AD704AR-16 is typically used in precision instrumentation, industrial/process controls, low-frequency active filters, ECG/EKG instrumentation, and weigh scales. - What is the output current per channel of the AD704AR-16?
The output current per channel of the AD704AR-16 is 15 mA. - What is the package type of the AD704AR-16?
The AD704AR-16 comes in a 16-SOIC package.
