Data Sheet AD632
Rev. D | Page 3 of 12
SPECIFICATIONS
@ +25°C, V
S
= ±15 V, R ≥ 2 kΩ, unless otherwise noted. Specifications shown in boldface are tested on all production units at final
electrical test. Results from those tests are used to calculate outgoing quality levels.
Table 1.
AD632A AD632B AD632S AD632T
Parameter Min Typ Max Min Typ Max Min Typ Max Min Typ Max Units
MULTIPLIER PERFORMANCE
Transfer Function
2
2121
Z
YYXX
+
−−
V10
)()(
2
2121
Z
YYXX
+
−−
V10
)()(
2
2121
Z
YYXX
+
−−
V10
)()(
2
2121
Z
YYXX
+
−−
V10
)()(
Total Error
1
(−10 V ≤ X, Y ≤ +10
V)
±1.0
±0.5
±1.0
±0.5
%
T
A
= Min to Max
±1.5
±1.0
±2.0
±1.0
%
Total Error vs. Temperature
Scale Factor Error
(SF = 10,000 V Nominal)
±0.25 ±0.1 ±0.25 ±0.1 %
Temperature Coefficient of
Scaling Voltage
±0.02
±0.01
±0.2
±0.005
%/°C
Supply Rejection (±15 V ± 1 V) ±0.01 ±0.01 ±0.01 ±0.01 %
Nonlinearity
X (X = 20 V p-p, Y = 10 V) ±0.4 ±0.2 ±0.3 ±0.4 ±0.2 ±0.3 %
Y (Y = 20 V p-p, X = 10 V) ±0.2 ±0.1 ±0.1 ±0.2 ±0.1 ±0.1 %
Feedthrough
3
X (Y Nulled, X = 20 V p-p 50 Hz) ±0.3 ±0.15 ±0.3 ±0.3 ±0.15 ±0.3 %
Y (X Nulled, Y = 20 V p-p 50 Hz) ±0.01 ±0.01 ±0.1 ±0.01 ±0.01 ±0.1 %
Output Offset Voltage ±5
±30
±2 ±15 ±5
±30
±2 ±15 mV
Output Offset Voltage Drift
DYNAMICS
Small Signal BW, (V
OUT
= 0.1 rms) 1 1 1 1 MHz
1% Amplitude Error
(C
LOAD
= 1000 pF)
50 50 50 50 kHz
Slew Rate (V
OUT
20 p-p) 20 20 20 20 V/µs
Settling Time (to 1%, ΔV
OUT
= 20 V) 2 2 2 2 µs
NOISE
Noise Spectral Density
SF = 10 V 0.8 0.8 0.8 0.8 µV/√Hz
SF = 3 V
4
0.4 0.4 0.4 0.4 µV/√Hz
Wideband Noise
A = 10 Hz to 5 MHz 1.0 1.0 1.0 1.0 mV/rms
P = 10 Hz to 10 kHz 90 90 90 90 µV/rms
OUTPUT
Output Voltage Swing
±11
±11
±11
±11
V
Output Impedance (f ≤ 1 kHz) 0.1 0.1 0.1 0.1 Ω
Output Short-Circuit Current
(R
L
= 0, T
A
= Min to Max) 30 30 30 30 mA
Amplifier Open-Loop Gain
(f = 50 Hz)
70 70 70 70 dB
INPUT AMPLIFIERS (X, Y, and Z)
Signal Voltage Range
(Differential or Common-
Mode Operating Diff.)
±10 ±12 ±10 ±12 ±10 ±12 ±10 ±12 V
Offset Voltage X, Y ±5
±20
±2
±10
±5
±20
±2
±10
mV
Offset Voltage Drift X, Y 100 50 100 150 µV/°C
Offset Voltage Z ±5
±30
±2
±15
±5
±30
±2
±15
mV
Offset Voltage Drift Z 200 100 500 300 µV/°C
CMRR
60
80
70
90
60
80
70
90 dM
Bias Current 0.8
2.0
0.8
2.0
0.8
2.0
0.8
2.0
µA
Offset Current 0.1 0.1 0.1 0.1 µA
Differential Resistance 10 10 10 10 MΩ
