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AD534SE データシート(PDF) 1 Page - Analog Devices |
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AD534SE データシート(HTML) 1 Page - Analog Devices |
1 / 12 page PIN CONFIGURATIONS a AD534 Internally Trimmed Precision IC Multiplier FEATURES Pretrimmed to 0.25% max 4-Quadrant Error (AD534L) All Inputs (X, Y and Z) Differential, High Impedance for [(X1 – X2) (Y1 – Y2)/10 V] + Z2 Transfer Function Scale-Factor Adjustable to Provide up to X100 Gain Low Noise Design: 90 V rms, 10 Hz–10 kHz Low Cost, Monolithic Construction Excellent Long Term Stability 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 Available in Chip Form 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. TO-116 (D-14) Package TOP VIEW (Not to Scale) 14 13 12 11 10 9 8 1 2 3 4 5 6 7 NC = NO CONNECT X1 +VS NC AD534 OUT Z1 Z2 NC –VS X2 NC SF NC Y1 Y2 TO-100 (H-10A) Package –VS +VS OUT Z1 Z2 Y2 Y1 SF X2 X1 AD534 TOP VIEW (Not To Scale) LCC (E-20A) Package 3 21 20 19 91011 12 13 4 5 6 7 8 NC NC SF NC NC 18 17 16 15 14 OUT NC Z1 NC Z2 AD534 TOP VIEW (Not To Scale) NC = NO CONNECT PRODUCT DESCRIPTION The AD534 is a monolithic laser trimmed four-quadrant multi- plier divider having accuracy specifications previously found only in expensive hybrid or modular products. A maximum multiplication error of ±0.25% is guaranteed for the AD534L without any external trimming. Excellent supply rejection, low temperature coefficients and long term stability of the on-chip thin film resistors and buried Zener reference preserve accuracy even under adverse conditions of use. It is the first multiplier to offer fully differential, high impedance operation on all inputs, including the Z-input, a feature which greatly increases its flex- ibility and ease of use. The scale factor is pretrimmed to the standard value of 10.00 V; by means of an external resistor, this can be reduced to values as low as 3 V. The wide spectrum of applications and the availability of several grades commend this multiplier as the first choice for all new designs. The AD534J ( ±1% max error), AD534K (±0.5% max) and AD534L ( ±0.25% max) are specified for operation over the 0 °C to +70°C temperature range. The AD534S (±1% max) and AD534T ( ±0.5% max) are specified over the extended tempera- ture range, –55 °C to +125°C. All grades are available in her- metically sealed TO-100 metal cans and TO-116 ceramic DIP packages. AD534J, K, S and T chips are also available. PROVIDES GAIN WITH LOW NOISE The AD534 is the first general purpose multiplier capable of providing gains up to X100, frequently eliminating the need for separate instrumentation amplifiers to precondition the inputs. The AD534 can be very effectively employed as a variable gain differential input amplifier with high common-mode rejection. The gain option is available in all modes, and will be found to simplify the implementation of many function-fitting algorithms such as those used to generate sine and tangent. The utility of this feature is enhanced by the inherent low noise of the AD534: 90 µV, rms (depending on the gain), a factor of 10 lower than previous monolithic multipliers. Drift and feedthrough are also substantially reduced over earlier designs. UNPRECEDENTED FLEXIBILITY The precise calibration and differential Z-input provide a degree of flexibility found in no other currently available multiplier. Standard MDSSR functions (multiplication, division, squaring, square-rooting) are easily implemented while the restriction to particular input/output polarities imposed by earlier designs has been eliminated. Signals may be summed into the output, with or without gain and with either a positive or negative sense. Many new modes based on implicit-function synthesis have been made possible, usually requiring only external passive components. The output can be in the form of a current, if desired, facilitating such operations as integration. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1999 |
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