Overview
The AD746BQ is a precision dual operational amplifier produced by Analog Devices Inc. This component is part of the AD746 series, which includes the AD746A, AD746B, and AD746S models, each with different performance grades and temperature ranges.
The AD746BQ is known for its exceptional dynamic response, making it suitable for high-speed data acquisition systems. It features rapid settling times, high slew rates, and ample bandwidth, making it ideal for various demanding applications.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Input Offset Voltage | - | - | 0.5 mV | mV |
| Input Bias Current | - | - | 10 pA | pA |
| Slew Rate | 50 | - | - | V/μs |
| Settling Time to 0.01% | - | 500 ns | - | ns |
| Gain Bandwidth Product | - | 13 MHz | - | MHz |
| Total Harmonic Distortion (THD) | - | 0.0001% | - | % |
| Operating Temperature Range | -40°C | - | 85°C | °C |
| Supply Voltage | ±4.5 V | - | ±18 V | V |
| Quiescent Current | - | 3.5 mA | - | mA |
Key Features
- Rapid Settling Time: Settles to 0.01% in 500 ns, making it suitable for high-speed data acquisition systems.
- High Slew Rate: Minimum slew rate of 50 V/μs.
- Low Noise and High Bandwidth: Offers excellent dynamic response with a gain bandwidth product of 13 MHz.
- Low Total Harmonic Distortion (THD): THD level of 0.0001%, ideal for audio applications.
- Close Matching AC Characteristics: Suitable for differential and multichannel systems due to its close matching of AC characteristics.
- Internal Compensation: Internally compensated for stable operation as a unity gain inverter or as a noninverting amplifier with a gain of 2 or greater.
- Multiple Packages: Available in plastic mini DIP, hermetic cerdip, and surface mount (SOIC) packages.
Applications
- Buffer Amplifiers for DACs and ADCs: Ideal for buffering 12-bit, 14-bit, and 16-bit DACs and ADCs.
- Wideband Preamplifiers: Suitable for wideband preamplifier applications due to its high slew rate and bandwidth.
- Low Distortion Audio Circuitry: Used in demanding audio applications due to its low THD and close matching AC characteristics.
- Cable Drivers: Can be used as cable drivers due to its high current drive capability.
Q & A
- What is the input offset voltage of the AD746BQ?
The input offset voltage of the AD746BQ is up to 0.5 mV.
- What is the slew rate of the AD746BQ?
The minimum slew rate of the AD746BQ is 50 V/μs.
- How long does it take for the AD746BQ to settle to 0.01%?
The AD746BQ settles to 0.01% in 500 ns.
- What is the gain bandwidth product of the AD746BQ?
The gain bandwidth product of the AD746BQ is 13 MHz.
- What is the total harmonic distortion (THD) of the AD746BQ?
The THD of the AD746BQ is 0.0001%.
- What are the operating temperature ranges for the AD746BQ?
The AD746BQ operates over the industrial temperature range of –40°C to +85°C.
- What are the supply voltage ranges for the AD746BQ?
The AD746BQ can operate with supply voltages ranging from ±4.5 V to ±18 V.
- What is the quiescent current of the AD746BQ?
The quiescent current of the AD746BQ is approximately 3.5 mA.
- In what packages is the AD746BQ available?
The AD746BQ is available in plastic mini DIP, hermetic cerdip, and surface mount (SOIC) packages.
- What are some common applications of the AD746BQ?
The AD746BQ is commonly used as buffer amplifiers for DACs and ADCs, in wideband preamplifiers, low distortion audio circuitry, and as cable drivers).
