AD632AHZ Integrated Circuits (ICs)

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1. DESCRIPTION

The AD632AH is an internally trimmed monolithic four-quadrant multiplier/divider. The AD632B has a maximum multiplying error of ±0.5% without external trims. 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. The simplicity and flexibility of use provide an attractive alternative approach to the solution of complex control functions. The AD632 is pin-for-pin compatible with the industry standard AD532 but with improved specifications and a fully differential high impedance Z input. The AD632 is capable of providing gains of up to ×10, frequently eliminating the need for separate instrumentation amplifiers to precondition the inputs. The AD632 can be effectively employed as a variable gain differential input amplifier with high common-mode rejection. The effectiveness of the variable gain capability is enhanced by the inherent low noise of the AD632 at 90 µV rms.

2. FEATURES

    1. Pretrimmed to ±0.5% maximum 4-quadrant error

    2. All inputs (X, Y, and Z) differential, high impedance for

    3. [(X1 − X2)(Y1 − Y2)/10] + Z2 transfer function Scale-factor adjustable to provide up to ×10 gain

    4. Low noise design: 90 mV rms, 10 Hz to 10 kHz Low cost, monolithic construction Excellent long-term stability

3. PRODUCT HIGHLIGHTS

    1. Guaranteed performance over temperature.

    2. The AD632A and AD632B are specified for maximum multiplying errors of ±1.0% and ±0.5% of full scale, respectively, at +25°C and are rated for operation from −25°C to +85°C.

    3. Maximum multiplying errors of ±2.0% (AD632S) and ±1.0% (AD632T) are guaranteed over the extended temperature range of −55°C to +125°C.

    4. High reliability.

    5. The AD632S and AD632T series are available with MILSTD-883 Level B screening.

    6. All devices are available in either the hermetically sealed TO-100 metal can or ceramic DIP package.

4. APPLICATIONS

    1. High quality analog signal processing

    2. Differential ratio and percentage computations

    3. Algebraic and trigonometric function synthesis

    4. Accurate voltage controlled oscillators and filters

5. PIN CONFIGURATIONS

6. FUNCTION DESCRIPTIONS