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MAX472ESA Datasheet(PDF) 3 Page - Maxim Integrated Products

Part # MAX472ESA
Description  Precision, High-Side Current-Sense Amplifiers
PDF  12 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX472ESA Datasheet(HTML) 3 Page - Maxim Integrated Products

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Precision, High-Side
Current-Sense Amplifiers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS—MAX472
(VCC = +3V to +36V, RG1 = RG2 = 200Ω, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
Note 2: VOS is defined as the input voltage (VSENSE) required to give minimum IOUT.
Note 3: VSENSE is the voltage across the sense resistor.
VSHDN = 2.4V
MAX472C
VSHDN = 0V
ILOAD = 0A, excludes ISIGN; VCC = 3V to 20V
VSHDN = 2.4V; VCC = 3V to 20V
VSIGN = 0.3V
VSIGN = 36V
VCC = 10V,
VSENSE = 3mV
VCC = 10V
MAX472E
IRG1 - IGR2
3V
≤ VCC ≤ 36V, VSENSE = 100mV
CONDITIONS
V
0VCC - 1.5
VOUT
OUT Output Voltage Range
µA
1.0
IIH
SHDN Input High Current
V
2.4
VIH
SHDN Input High Voltage
µA
1.0
IIL
SHDN Input Low Current
V
0.3
VIL
SHDN Input Low Voltage
µA
1.5
18.0
ICC(SHDN)
Shutdown Supply Current
mA
0.1
SIGN Output Sink Current
µA
1.0
SIGN Output Leakage Current
µV
60
140
SIGN Threshold (VSENSE
required to switch SIGN)
60
120
%/V
0.1
PSRR
Power-Supply Rejection Ratio
120
µA
20
48
ICC
V
336
VCC
Supply Voltage
Supply Current
µA
±3.0
Low-Level OUT Error
±2.5
µA
2.5
µV
140
VOS
Input Offset Voltage
(Note 2)
µA
20
35
IRG1, IRG2
Input Bias Current
µA
±0.4
±3.0
IOS
Input Bias-Current Matching
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
OUT Output Resistance
ROUT
IOUT = 1.5mA
13
M
Ω
OUT Rise, Fall Time
tR, tF
VSENSE = 5mV to 150mV, ROUT = 2kΩ,
COUT = 50pF, 10% to 90%
4
µs
OUT Settling Time to 1%
of Final Value
ts
VSENSE = 5mV to 150mV, ROUT = 2kΩ,
COUT = 50pF
15
µs
Maximum Output Current
IOUT
1.5
mA
MAX472C
MAX472E
MAX472C
MAX472E
VCC = 10V,
VSENSE = 0V
3
No-Load OUT Error
MAX472C
MAX472E
VSENSE = 100mV,
VCC = 10V (Note 3)
IRG/IOUT
OUT Current Accuracy
MAX472C
%
±2
MAX472E
±2.5



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