Datasheet

Data Sheet AD636
Rev. E | Page 7 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
1.0
0.5
0
0 1k 10k 100k 1M
R
EXTERNAL
(Ω)
RATIO OF V
PEAK
/V
SUPPLY
R
L
= 50kΩ
R
L
= 16.7kΩ
R
L
= 6.7kΩ
00787-015
Figure 4. Ratio of Peak Negative Swing to −V
S
vs. R
EXTERNAL
for Several Load Resistances
FRE
QUENC
Y
(H
z)
1
V rms IN
PUT
200m
V rms I
NPU
T
100mV
rms
IN
PU
T
30mV
rms I
N
PU
T
1m
V rms IN
PUT
10
%
±3
dB
1
%
10m
V rms
I
NP
UT
1k
10k 100
k 1
M 10M
V
OUT
(V)
1
200
m
100
m
10m
1m
30m
0.1
m
00787-016
Figure 5. AD636 Frequency Response
CR
EST
FACTOR
0.
5
0
–1.
0
INCREASE IN ERROR (% of Reading)
–0.5
T
V
P
0
200
µs
E
O
=
DUT
Y C
Y
CL
E =
CF = 1/
E
I
N
(rms
) =
200m
V
200µs
T
ŋ
ŋ
1 2 3
4
5 6
7
00787-017
Figure 6. Error vs. Crest Factor