GENERAL DESCRIPTION

The AD534 is a monolithic laser trimmed four-quadrant multiplier 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 that greatly increases its flexibility 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.

FEATURES

Pretrimmed to ±0.25 maximum 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 ×100 gain

Low noise design: 90 μV rms, 10 Hz to10 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

AD534LH属于集成电路（IC） > 模拟乘法器、除法器。亚德诺半导体技术有限公司制造生产的AD534LH模拟乘法器、除法器模拟乘法器获取两个或更多模拟信号，并产生这些信号的乘积或乘积之和的输出。此类电路可用于实现相关计算功能，例如计算平方（对两个输入都施加相同的信号）和平方根。应用可能包括可变增益放大器、环形调制器、乘积检测器、混频器、增益控制、真 RMS 转换器和脉冲幅度调制器 (PAM)。