Datasheet

MAX5490
100k Ω Precision-Matched Resistor-Divider in
SOT23
_______________________________________________________________________________________ 3
9565-25 5 35
-20
-10
0
10
20
30
40
50
-30
-55 125
NORMALIZED RESISTANCE-RATIO DRIFT
vs. TEMPERATURE
MAX5490 toc01
TEMPERATURE (°C)
RATIO DRIFT (ppm)
V
P1-P2
= 10V
RATIO 1:1
-80
-40
0
40
80
120
160
-120
9565-25 5 35-55 125
NORMALIZED RESISTANCE-RATIO DRIFT
vs. TEMPERATURE
MAX5490 toc02
TEMPERATURE (°C)
RATIO DRIFT (ppm)
V
P1-P2
= 10V
RATIO 10:1
9565-25 5 35
-150
-100
-50
0
50
100
150
200
-200
-55 125
NORMALIZED RESISTANCE-RATIO DRIFT
vs. TEMPERATURE
MAX5490 toc03
TEMPERATURE (°C)
RATIO DRIFT (ppm)
V
P1-P2
= 10V
RATIO 25:1
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
02040607010 30 50 80
RESISTANCE-RATIO ACCURACY
vs. VOLTAGE
MAX5490 toc04
VOLTAGE (V)
RATIO ACCURACY (%)
RATIO 25:1
0.1 101 100 1000
FREQUENCY RESPONSE
MAX5490 toc05
FREQUENCY (kHz)
RESPONSE (dB)
6
-18
-12
-9
-3
3
-15
-6
0
1:1 RATIO
C
L
= 10pF
Typical Operating Characteristics
(V
P1-P2
= 10V, T
A
= +25°C, unless otherwise noted.)
Note 5: Resistance-ratio voltage coefficient is defined as
∆
∆
R
R
R
R
V
1
2
1
2
⎛
⎝
⎜
⎞
⎠
⎟
×
and is guaranteed by design, not production tested.
Note 6: Calculate bandwidth by using
1
2πRC
,
where C = C
P3
and
R
RR
RR
=
×
+
12
12
.
DC ELECTRICAL CHARACTERISTICS (continued)
(T
A
= -55°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)