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MLT04GPZ

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a Four-Channel, Four-Quadrant Analog Multiplier MLT04 FUNCTIONAL BLOCK DIAGRAM 18-Lead Epoxy DIP (P Suffix) 18-Lead Wide Body SOIC (S Suffix) FEATURES Four Independent Channels Voltage IN, Voltage OUT No External Parts Required 8 MHz Bandwidth Four-Quadrant Multiplication Voltage Output; W = (X × Y)/2.5 V 0.2% Typical Linearity Error on X or Y Inputs Excellent Temperature Stability: 0.005% ±2.5 V Analog Input Range Operates from ±5 V Supplies Low Power Dissipation: 150 mW typ Spice Model Available 1 18 2 17 GND4 X1 3 16 X4 15 Y4 4 V 5 CC Y2 12 X3 8 11 GND3 9 10 W3 LE 7 W2 0 Ø (X OR Y) –20 –40 –90 X & Y MEASUREMENTS SUPERIMPOSED: X = 100mV RMS, Y = 2.5V DC Y = 100mV RMS, X = 2.5V DC • Y)/2.5V The MLT04 is available in 18-pin plastic DIP, and SOIC-18 surface mount packages. All parts are offered in the extended industrial temperature range (–40°C to +85°C). 100 VCC = +5V V = –5V 10 THD + NOISE – % 8.9MHz –3dB Ø – Phase Degrees Av (X OR Y) W = (X Fabricated in a complementary bipolar process, the MLT04 includes four 4-quadrant multiplying cells which have been lasertrimmed for accuracy. A precision internal bandgap reference normalizes signal computation to a 0.4 scale factor. Drift over temperature is under 0.005%/°C. Spot noise voltage of 0.3 µV/√Hz results in a THD + Noise performance of 0.02% (LPF = 22 kHz) for the lower distortion Y channel. The four 8 MHz channels consume a total of 150 mW of quiescent power. B SO O Av GAIN – dB 90 0 Y3 GND2 V CC = +5V 20 14 V EE 13 6 X2 GENERAL DESCRIPTION The MLT04 is a complete, four-channel, voltage output analog multiplier packaged in an 18-pin DIP or SOIC-18. These complete multipliers are ideal for general purpose applications such as voltage controlled amplifiers, variable active filters, “zipper” noise free audio level adjustment, and automatic gain control. Other applications include cost-effective multiple-channel power calculations (I × V), polynomial correction generation, and low frequency modulation. The MLT04 multiplier is ideally suited for generating complex, high-order waveforms especially suitable for geometry correction in high-resolution CRT display systems. V EE = –5V T A = +25°C MLT-04 9 8 7 6 5 4 3 2 18 10 11 12 13 14 15 16 17 MLT04 TE Y1 APPLICATIONS Geometry Correction in High-Resolution CRT Displays Waveform Modulation & Generation Voltage Controlled Amplifiers Automatic Gain Control Modulation and Demodulation 40 W4 W1 GND1 EE TA = +25°C 1 LPF = 500kHz THDX: X = 2.5VP, Y = +2.5V DC 0.1 THDY: Y = 2.5VP, X = +2.5V DC 0.01 1k 10k 100k 1M FREQUENCY – Hz 10M 100M Figure 1. Gain & Phase vs. Frequency Response 10 100 1k 10k FREQUENCY – Hz 100k 1M Figure 2. THD + Noise vs. Frequency REV. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A. Tel: 617/329-4700 Fax: 617/326-8703

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