Datasheet

Data Sheet AD636
Rev. E | Page 3 of 16
SPECIFICATIONS
@ 25°C, +V
S
= +3 V, and −V
S
= –5 V, unless otherwise noted.
1
Table 1.
Model
AD636J AD636K
Unit Min Typ Max Min Typ Max
TRANSFER FUNCTION
( )
2
IN
OUT
VavgV ×=
( )
2
IN
OUT
VavgV ×=
CONVERSION ACCURACY
Total Error, Internal Trim
2, 3
±0.5 ± 1.0 ±0.2 ± 0.5
mV ± % of
reading
vs. Temperature, 0°C to +70°C ±0.1 ± 0.01 ±0.1 ± 0.005 mV ± % of
reading/°C
vs. Supply Voltage ±0.1 ± 0.01 ±0.1 ± 0.01 mV ± % of
reading/V
DC Reversal Error at 200 mV
±0.2
±0.1
% of reading
Total Error, External Trim
2
±0.3 ± 0.3 ± 0.1 ± 0.2 mV ± % of
reading
ERROR VS. CREST FACTOR
4
Crest Factor 1 to 2 Specified Accuracy Specified Accuracy
Crest Factor = 3 −0.2 −0.2 % of reading
Crest Factor = 6 −0.5 −0.5 % of reading
AVERAGING TIME CONSTANT 25 25 ms/μF of C
AV
INPUT CHARACTERISTICS
Signal Range, All Supplies
Continuous RMS Level 0 to 200 0 to 200 mV rms
Peak Transient Inputs
+3 V, −5 V Supply ±2.8 ±2.8 V p-p
±2.5 V Supply ±2.0 ±2.0 V p-p
±5 V Supply
±5.0
±5.0
V p-p
Maximum Continuous
Nondestructive
Input Level (All Supply Voltages) ±12 ±12 V p-p
Input Resistance 5.33 6.67 8 5.33 6.67 8 kΩ
Input Offset Voltage ±0.5 ±0.2 mV
FREQUENCY RESPONSE
3, 5
Bandwidth for 1% Additional
Error (0.09 dB)
V
IN
= 10 mV 14 14 kHz
V
IN
= 100 mV 90 90 kHz
V
IN
= 200 mV 130 130 kHz
±3 dB Bandwidth
V
IN
= 10 mV 100 100 kHz
V
IN
= 100 mV 900 900 kHz
V
IN
= 200 mV 1.5 1.5 MHz
OUTPUT CHARACTERISTICS
3
Offset Voltage, V
IN
= COM
±0.5
±0.2
mV
vs. Temperature ±10 ±10 μV/°C
vs. Supply ±0.1 ±0.1 mV/V
Voltage Swing
+3 V, −5 V Supply 0.3 0 to 1.0 0.3 0 to 1.0 V
±5 V to ±16.5 V Supply 0.3 0 to 1.0 0.3 0 to 1.0 V
Output Impedance 8 10 12 8 10 12 kΩ