MAX4008EUT-T Просмотр технического описания (PDF) - Maxim Integrated
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MAX4008EUT-T Datasheet PDF : 10 Pages
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High-Accuracy, 76V, High-Side
Current Monitors in SOT23
(TA = +25°C, unless otherwise noted.)
BIAS CURRENT
vs. SUPPLY VOLTAGE
10
IREF = 2.5mA
1
0.1
IREF = 250nA
0.01
2
8
14
20
26
SUPPLY VOLTAGE (V)
5
4
3
2
1
0
-1
-2
-3
-4
-5
10n
GAIN ERROR vs.
REFERENCE CURRENT
VBIAS = 40V
100n 1μ 10μ 100μ 1m 10m
IREF (A)
TRANSIENT RESPONSE
(VBIAS = 40V)
MAX4007/8 toc07
Typical Operating Characteristics
100.00
BIAS CURRENT
vs. REFERENCE CURRENT
VBIAS = 40V
10.00
1.00
0.10
0.01
10n 100n 1μ 10μ 100μ 1m 10m
IREF (A)
GAIN ERROR vs. TEMPERATURE
9
VBIAS = 40V
8
IREF = 10nA
7
6
5
IREF = 250nA
4
IREF = 2.5μA
3
IREF = 250μA
2
IREF = 2.5mA
1 IREF = 10mA
0
-1
-40 -15 10
35
60
85
TEMPERATURE (°C)
STARTUP DELAY
(VBIAS = 40V, IREF = 250nA)
MAX4007/8 toc08
BIAS CURRENT
vs. TEMPERATURE
10
IREF = 2.5mA
1
0.1 IREF = 250nA
0.01
-40
VBIAS = 40V
-15
10
35
60
85
TEMPERATURE (°C)
GAIN ERROR vs. BIAS VOLTAGE
0.2
0
-0.2
-0.4
-0.6
IREF = 250nA
-0.8
IREF = 25μA
-1.0
IREF = 2.5mA
-1.2
IREF = 5mA
-1.4
2.0
20.5
39.0
57.5
76.0
VBIAS (V)
STARTUP DELAY
(VBIAS = 40V, IREF = 2.5mA)
MAX4007/8 toc09
A
B
BGND
40V
BIAS
D.U.T.
REF OUT
CH1
6.3kΩ
CH2
10kΩ
12.1kΩ
AGND
400ns/div
A: CH2, 5V/div, IREF = 0 TO 2.5mA
B: CH1, 1V/div, IOUT = 0 TO 0.25mA
CH1
0V
CH2
0V
VBIAS
CH1
BIAS
D.U.T.
REF OUT
R1
CH2
RREF
13pF
RTEST
RREF = 158mΩ
R1 = 118mΩ
RTEST = 1.67mΩ
CH1: 10V/div
CH2: 20mV/div
20ms/div
CH1
0V
CH2
0V
VBIAS
CH1
BIAS
D.U.T.
REF OUT
R1
CH2
RREF
13pF
RTEST
RREF = 15.8kΩ
R1 = 0Ω
RTEST = 140kΩ
CH1: 10V/div
CH2: 10V/div
20ms/div
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