Overview
The AD734AQ is an accurate, high-speed, four-quadrant analog multiplier produced by Analog Devices Inc. It is pin-compatible with the industry-standard AD534 and provides the transfer function W = XY/U. This component is designed to offer high accuracy, high speed, and low distortion, making it suitable for a variety of applications in signal processing and control.
Key Specifications
| Specification | Value |
|---|---|
| Full-Power Bandwidth | 10 MHz |
| Slew Rate | 450 V/μs |
| Settling Time to 0.1% at Full Power | 200 ns |
| Total Static Error | 0.1% of full scale |
| Distortion | -80 dBc from any input |
| Third-Order IMD | -75 dBc at 10 MHz |
| Signal-to-Noise Ratio (SNR) | 94 dB (10 Hz to 20 kHz), 70 dB (10 Hz to 10 MHz) |
| Input Voltage Range | ±17 V (differential) |
| Output Voltage Range | ±10 V |
| Operating Temperature Range | -40°C to +85°C (AD734AQ) |
| Package Type | 14-Lead CerDIP |
Key Features
- High accuracy with a typical error of 0.1% of full scale
- High speed with a 10 MHz full-power bandwidth and 450 V/μs slew rate
- Low distortion with -80 dBc from any input and -75 dBc third-order IMD at 10 MHz
- Low noise with 94 dB SNR (10 Hz to 20 kHz) and 70 dB SNR (10 Hz to 10 MHz)
- Direct division mode with a 2 MHz bandwidth at a gain of 100
- Differential X, Y, and Z inputs with low offset, low bias current, and low distortion
- Option to use an external denominator voltage for two-quadrant division
Applications
- High-performance replacement for AD534
- Multiply, divide, square, and square root operations
- Modulators and demodulators
- Wideband gain control and rms-to-dc conversion
- Voltage-controlled amplifiers, oscillators, and filters
- Demodulator with 40 MHz input bandwidth
Q & A
- What is the primary function of the AD734AQ? The AD734AQ is a four-quadrant analog multiplier that provides the transfer function W = XY/U.
- What is the full-power bandwidth of the AD734AQ? The full-power bandwidth is 10 MHz.
- What is the slew rate of the AD734AQ? The slew rate is 450 V/μs.
- How accurate is the AD734AQ? The AD734AQ has a typical error of 0.1% of full scale.
- What is the distortion level of the AD734AQ? The distortion is typically less than -80 dBc from any input.
- Can the AD734AQ be used as a divider? Yes, it can be used in direct division mode with a 2 MHz bandwidth at a gain of 100.
- What is the operating temperature range of the AD734AQ? The operating temperature range is -40°C to +85°C.
- What type of package does the AD734AQ come in? The AD734AQ comes in a 14-Lead CerDIP package.
- What are some common applications of the AD734AQ? Common applications include modulators, demodulators, wideband gain control, and voltage-controlled amplifiers.
- Can the AD734AQ handle high input frequencies? Yes, it can handle input frequencies as high as 40 MHz for demodulation, provided the desired output frequency is less than 10 MHz.
