Rainbow Electronics MAX9634 - Manual (Page 4)

MAX9634
1µA, 4-Bump UCSP/SOT23,
Precision Current-Sense Amplifier
4 _______________________________________________________________________________________
INPUT OFFSET
vs. COMMON-MODE VOLTAGE
MAX9634 toc04
COMMON-MODE VOLTAGE (V)
INPUT OFFSET (
µ
V)
25 20 10 5 15
-50
-45
-40
-35
-30
-55
0 30
INPUT OFFSET
vs. TEMPERATURE
MAX9634 toc05
INPUT OFFSET (
µ
V)
20
10
30
40
50
60
0
TEMPERATURE ( °C)
10 -15 35 60 -40 85
SUPPLY CURRENT
vs. COMMON-MODE VOLTAGE
MAX9634 toc06
COMMON-MODE VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
15 20 10 30 5 25
1.0
0.8
0.6
0.4
0.2
1.2
1.4
0
0
-0.5
-0.3
-0.4
-0.1
-0.2
0
0.1
0 10 15 5 20 25 30
GAIN ERROR
vs. COMMON-MODE VOLTAGE
MAX9634 toc07
VOLTAGE (V)
GAIN
ERROR
(%)
GAIN ERROR
vs. TEMPERATURE
MAX9634 toc08
TEMPERATURE ( °C)
GAIN ERROR (%)
10 60 85 35 -15
0.06
0.05
0.04
0.03
0.02
0.01
0.07
0.08
0
-40
V OUT vs. V SENSE
(SUPPLY = 3.6V)
MAX9634 toc09
V SENSE (mV)
V
OUT
(V)
100 50
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
0 150
G = 100
G = 25
G = 50
V OUT vs. V SENSE
(SUPPLY = 1.6V)
MAX9634 toc10
V SENSE (mV)
V
OUT
(V)
80 60 40 20
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
0 100
G = 100
G = 50
G = 25
SMALL-SIGNAL GAIN
vs. FREQUENCY
MAX9634 toc11
FREQUENCY (Hz)
GAIN (dB)
100k 10 1M 100 10k 1k
-5
-10
-15
-20
-25
0
5
-30
1
A V = 25V/V
A V = 100V/V
A V = 50V/V
CMRR
vs. FREQUENCY
MAX9634 toc12
FREQUENCY (Hz)
GAIN (dB)
100k 10 1M 100 10k 1k
-40
-60
-80
-100
-120
-140
-20
0
-160
1
G = 25
G = 50
G = 100
Typical Operating Characteristics (continued)
(V RS+ = V RS- = 3.6V, T A = +25°C, unless otherwise noted.)