Overview
Features and Benefits
- Two Quadrant Multiplication/Division
- Two Independent Signal Channels
- Signal Bandwidth of 60 MHz (IOUT)
- Low Distortion (to 0.01%)
- Fully-Calibrated, Monolithic Circuit
- Linear Control Channel Bandwidth of 5 MHz
Product Details
The AD539 is a low distortion analog multiplier having two identical signal channels (Y1 and Y2), with a common X input providing linear control of gain. Excellent ac characteristics up to video frequencies and a −3 dB bandwidth of over 60 MHz are provided. Although intended primarily for applications where speed is important, the circuit exhibits good static accuracy in computational applications. Scaling is accurately determined by a band-gap voltage reference and all critical parameters are laser-trimmed during manufacture.
The full bandwidth can be realized over most of the gain range using the AD539 with simple resistive loads of up to 100 Ω. Output voltage is restricted to a few hundred millivolts under these conditions.
The two channels provide flexibility. In single-channel applications, they can be used in parallel to double the output current, in series to achieve a square-law gain function with a control range of over 100 dB, or differentially to reduce distortion. Alternatively, they can be used independently, as in audio stereo applications, with low crosstalk between channels. Voltage-controlled filters and oscillators using the state-variable approach are easily designed, taking advantage of the dual channels and common control. The AD539 can also be configured as a divider with signal bandwidths up to 15 MHz.
Power consumption is only 135 mW using the recommended ±5 V supplies. The AD539 is available in three versions: the J and K grades are specified for 0 to 70°C operation and S grade is guaranteed over the extended range of −55°C to +125°C. The J and K grades are available in either a hermetic ceramic SBDIP (D-16) or a low cost PDIP (N-16), whereas the S grade is available in ceramic SBDIP (D-16) or LCC (E-20-1). The S grade is available in MIL-STD-883 and Standard Military Drawing (DESC) Number 5962-8980901EA versions.
APPLICATIONS
- Precise high bandwidth AGC and VCA systems
- Voltage-controlled filters
- Video signal processing
- High speed analog division
- Automatic signal-leveling
- Square-law gain/loss control
Product Categories
Product Lifecycle
Not Recommended for New Designs
This designates products ADI does not recommend broadly for new designs.
Documentation & Resources
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Considering Multipliers (Part 1) [The Wit and Wisdom of Dr. Leif—7]12/1/2008 Analog Dialogue
Design Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
| Part Number | Material Declaration | Reliability Data | Pin/Package Drawing | CAD Symbols, Footprints & 3D Models |
|---|---|---|---|---|
| 5962-8980901EA | Material Declaration | Reliability Data | 16-Lead Side Brazed CerDIP | |
| AD539JDZ | Material Declaration | Reliability Data | 16-Lead Side Brazed CerDIP | |
| AD539JNZ | Material Declaration | Reliability Data | 16-Lead PDIP | |
| AD539KDZ | Material Declaration | Reliability Data | 16-Lead Side Brazed CerDIP | |
| AD539KNZ | Material Declaration | Reliability Data | 16-Lead PDIP | |
| AD539SD/883B | Material Declaration | Reliability Data | 16-Lead Side Brazed CerDIP | |
| AD539SE/883B | Material Declaration | Reliability Data | 20-Lead LCC | |
| Wafer Fabrication Data |
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