Internally Trimmed
Precision IC Multiplier
AD632 Data Sheet
FEATURES FUNCTIONAL BLOCK DIAGRAM Pretrimmed to ±0.5% maximum 4-quadrant error
All inputs (X, Y, and Z) differential, high impedance for
[(X1 − X2)(Y1 − Y2)/10] + Z2 transfer function
Scale-factor adjustable to provide up to ×10 gain
Low noise design: 90 mV rms, 10 Hz to 10 kHz
Low cost, monolithic construction
Excellent long-term stability –VS
TRANSFER FUNCTION X1
V-I
X2 VO = A (X1 – X2) (Y1 – Y2)
10 TRANSLINEAR
MULTIPLIER
ELEMENT Y1 – (Z1 – Z2) V-I Z2
VOS Y2 A Z1 HIGH GAIN
OUTPUT
AMPLIFIER 2.7kΩ V-I 0.75 ATTEN OUT 09040-007 APPLICATIONS
High quality analog signal processing
Differential ratio and percentage computations
Algebraic and trigonometric function synthesis
Accurate voltage controlled oscillators and filters +VS STABLE …