MAX4172(1996) データシートの表示（PDF） - Maxim Integrated
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MAX4172 Datasheet PDF : 8 Pages
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Low-Cost, Precision, High-Side
Current-Sense Amplifier
ABSOLUTE MAXIMUM RATINGS
V+, RS+, RS-, PG ...................................................-0.3V to +36V
OUT ..............................................................-0.3V to (V+ + 0.3V)
Differential Input Voltage, VRS+ - VRS-............................±700mV
Current into Any Pin..........................................................±50mA
Continuous Power Dissipation (TA = +70°C)
SO (derate 5.88mW/°C above +70°C) ..........................471mW
µMAX (derate 4.10mW/°C above +70°C) .....................330mW
Operating Temperature Range
MAX4172E_A ....................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10sec) .............................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V+ = +3V to +32V; RS+, RS- = 0V to 32V; TA = TMIN to TMAX; unless otherwise noted. Typical values are at V+ = +12V, RS+ = 12V,
TA = +25°C.)
PARAMETER
Operating Voltage Range
Input Voltage Range
Supply Current
Input Offset Voltage
Positive Input Bias Current
Negative Input Bias Current
Maximum VSENSE Voltage
Low-Level Current Error
SYMBOL
V+
VRS-
IV+
VOS
IRS+
IRS-
CONDITIONS
IOUT = 0mA
V+ = 12V, VRS+ = 12V
VRS+ ≤ 2.0V
VRS+ > 2.0V, IOUT = 0mA
VRS+ ≤ 2.0V, IOUT = 0mA
VRS+ > 2.0V
VRS+ ≤ 2.0V
MAX4172ESA
MAX4172EUA
VSENSE = 6.25mV, V+ = 12V, MAX4172ESA
VRS+ = 12V (Note 1)
MAX4172EUA
MIN
3
0
0
-325
0
-650
150
TYP
0.8
±0.1
±0.2
4
27
50
175
MAX
32
32
1.6
±0.75
±1.6
UNITS
V
V
mA
mV
42.5
µA
42.5
85
µA
85
mV
±8.0
µA
±15
MAX4172ESA,
TA = -40°C to 0°C
±20
Output Current Error
VSENSE = 100mV, V+ = 12V,
VRS+ = 12V
MAX4172EUA,
TA = -40°C to 0°C
MAX4172ESA,
TA = 0°C to +85°C
±50
µA
±10
OUT Power-Supply
Rejection Ratio
MAX4172EUA,
TTAA==00°°CCttoo++8855°°CC
∆IOUT / ∆V+ 3V ≤ V+ ≤ 32V, VRS+ > 2.0V
±15
0.2
µA/V
OUT Common-Mode
Rejection Ratio
∆IOUT / ∆VRS+ 2.0V < VRS+ < 32V
0.03
µA/V
2 _______________________________________________________________________________________
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