Overview
The AD534KHZ, produced by Analog Devices Inc., is a monolithic laser trimmed four-quadrant multiplier divider. It offers accuracy specifications previously found only in expensive hybrid or modular products. This component is known for its high precision, low noise design, and excellent long-term stability, making it a versatile choice for various analog signal processing applications.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Maximum Multiplication Error | ±0.5% | - | AD534K grade |
| Temperature Range | 0°C to +70°C | - | AD534K grade |
| Package Type | 10-Lead TO-100 Metal Can | - | - |
| Input Type | Differential, High Impedance | - | All inputs (X, Y, Z) |
| Scale Factor | Pretrimmed to 10.00 V, adjustable down to 3 V | V | Using external resistor |
| Noise Level | 90 µV rms | V | 10 Hz-10 kHz |
| Supply Rejection | Excellent supply rejection | - | - |
| Temperature Coefficients | Low temperature coefficients | - | - |
Key Features
- High precision with a maximum multiplication error of ±0.5% for the AD534K grade.
- Low noise design with 90 µV rms noise level from 10 Hz to 10 kHz.
- Excellent supply rejection and low temperature coefficients.
- Long-term stability due to on-chip thin film resistors and buried Zener reference.
- Fully differential, high impedance operation on all inputs, including the Z input.
- Scale factor adjustable from 10.00 V down to 3 V using an external resistor.
- Capable of providing gains up to ×100, eliminating the need for separate instrumentation amplifiers.
- Stable with capacitive loads up to at least 1000 pF in square root modes.
Applications
- High quality analog signal processing.
- Differential ratio and percentage computations.
- Algebraic and trigonometric function synthesis.
- Wideband, high crest rms-to-dc conversion.
- Accurate voltage controlled oscillators and filters.
- Wattmeters, frequency doublers, and automatic gain controls.
Q & A
- What is the maximum multiplication error of the AD534KHZ?
The maximum multiplication error of the AD534KHZ is ±0.5% for the AD534K grade. - What is the temperature range for the AD534KHZ?
The AD534KHZ operates over a temperature range of 0°C to +70°C. - What type of package does the AD534KHZ come in?
The AD534KHZ comes in a 10-Lead TO-100 metal can package. - What is the input type of the AD534KHZ?
The AD534KHZ has differential, high impedance inputs for all X, Y, and Z inputs. - How can the scale factor of the AD534KHZ be adjusted?
The scale factor is pretrimmed to 10.00 V but can be adjusted down to 3 V using an external resistor. - What is the noise level of the AD534KHZ?
The noise level of the AD534KHZ is 90 µV rms from 10 Hz to 10 kHz. - Is the AD534KHZ stable with capacitive loads?
Yes, the AD534KHZ is stable with capacitive loads up to at least 1000 pF in square root modes. - What are some common applications of the AD534KHZ?
Common applications include high quality analog signal processing, differential ratio and percentage computations, algebraic and trigonometric function synthesis, and accurate voltage controlled oscillators and filters. - Can the AD534KHZ be used as a variable gain amplifier?
Yes, the AD534KHZ can be used as a variable gain differential input amplifier with high common-mode rejection. - How does the AD534KHZ improve upon previous multiplier designs?
The AD534KHZ offers improved accuracy, lower noise, reduced drift and feedthrough, and enhanced stability compared to previous monolithic multipliers.
