Overview
The AD734BN, produced by Analog Devices Inc., is an accurate high-speed, four-quadrant analog multiplier. It is pin-compatible with the industry-standard AD534 and provides the transfer function W = XY/U. This component is designed to offer high performance in various analog signal processing applications, including multiplication, division, squaring, and square root operations. The AD734BN features a low impedance voltage output with a full-power bandwidth of 10 MHz and a slew rate of 450 V/μs, making it suitable for high-speed applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| 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 | ||
| Signal-to-Noise Ratio (SNR) | 70 | dB, 10 Hz to 10 MHz | ||
| Input Offset Voltage (X, Y, Z) | 15 | 5 | 15 | mV |
| Input Bias Current (X, Y, Z) | 50 | 300 | 50 | nA |
| Input Resistance (Differential) | 50 | 50 | 50 | kΩ |
| Input Capacitance (Differential) | 2 | 2 | 2 | pF |
| Operating Temperature Range | -40 | +85 | °C |
Key Features
- High accuracy with a typical error of 0.1% of full scale.
- High speed with a full-power bandwidth of 10 MHz and a slew rate of 450 V/μs.
- Low distortion, typically less than -80 dBc.
- Low noise with a signal-to-noise ratio (SNR) of 70 dB from 10 Hz to 10 MHz.
- Fully differential X, Y, and Z inputs with low offset, low bias current, and low distortion.
- Option to substitute an external denominator voltage, allowing use as a two-quadrant divider.
- Wideband input stages with a bandwidth greater than 40 MHz.
- 200 MHz gain-bandwidth product of the multiplier core.
- Laser-trimming for low residual offset voltage and bias current.
Applications
- High performance replacement for AD534.
- Multiplication, division, squaring, 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 full-power bandwidth of the AD734BN?
The full-power bandwidth of the AD734BN is 10 MHz.
- What is the slew rate of the AD734BN?
The slew rate of the AD734BN is 450 V/μs.
- What is the typical error of the AD734BN?
The typical error of the AD734BN is 0.1% of full scale.
- What is the distortion level of the AD734BN?
The distortion level of the AD734BN is typically less than -80 dBc.
- What is the signal-to-noise ratio (SNR) of the AD734BN?
The SNR of the AD734BN is 70 dB from 10 Hz to 10 MHz.
- Can the AD734BN be used as a two-quadrant divider?
- What is the operating temperature range of the AD734BN?
The operating temperature range of the AD734BN is -40°C to +85°C.
- What are the common applications of the AD734BN?
The AD734BN is commonly used in modulators, demodulators, wideband gain control, rms-to-dc conversion, voltage-controlled amplifiers, oscillators, and filters.
- How does the AD734BN handle common-mode voltages on its inputs?
The AD734BN rejects common-mode voltages on its inputs and operates with differential input signals.
- What is the gain-bandwidth product of the AD734BN's multiplier core?
The gain-bandwidth product of the AD734BN's multiplier core is 200 MHz.
