MAX4374FESD Просмотр технического описания (PDF) - Maxim Integrated
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MAX4374FESD
Maxim Integrated
MAX4374FESD Datasheet PDF : 12 Pages
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Low-Cost, Micropower, High-Side Current-Sense
Amplifier + Comparator + Reference ICs
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +2.7V to +28V, VRS+ = 0 to +28V, VSENSE = 0, VRESET = 0, RLOAD= 1MΩ, TA = TMIN to TMAX, unless otherwise noted. Typical
values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX UNITS
-3dB Bandwidth
VRS+ = 12V,
BW
VCC = 12V,
CLOAD = 10pF
VSENSE = 100mV,
Gain = +20V/V
VSENSE = 100mV,
Gain = +50V/V
VSENSE = 100mV,
Gain = +100V/V
200
120
kHz
110
Gain
MAX437_T
AV
MAX437_F
MAX437_H
VSENSE = 6.25mV
50
+20
+50
V/V
+100
Gain Accuracy
VSENSE =
20mV to 150mV;
TA = +25°C
VCC = 12V; VRS+ = 12V;
Gain = 20, 50
TA = -40°C to +85°C
∆AV
VSENSE =
20mV to 100mV,
TA = +25°C
VCC = 12V, VRS+ = 12V,
Gain = 100
TA = -40°C to +85°C
±0.64 ±5.2
±7.2
%
±0.62 ±5.0
±7.2
OUT Settling Time to 1% of
Final Value
Gain = +20V/V,
VCC = 12V,
VSENSE = 6.25mV to
100mV
20
VRS+ = 12V,
CLOAD = 10pF
VSENSE = 100mV to
6.25mV
20
µs
Capacitive Load Stability
OUT Output Resistance
Power-Supply Rejection
Power-Up Time to 1% of Final
Value
ROUT
PSR
No sustained oscillations
VSENSE = 100mV
VOUT = 2V, VRS+ > 2V
VSENSE = 100mV, CLOAD = 10pF,
VCC = 12V, VRS+ = 12V
1000
pF
1.5
Ω
72
87
dB
0.5
ms
Saturation Recovery Time
(Note 8)
VCC = 12V, VRS+ = 12V, CLOAD = 10pF
0.1
ms
COMPARATOR (Note 9)
Comparator Threshold
Comparator Hysteresis
Input Bias Current
Propagation Delay
IB
CL = 10pF, RL = 10kΩ pull-up to 5V,
5mV of overdrive
580
600
618
mV
-9
mV
±2.2 ±15
nA
4
µs
Output Low Voltage
VOL ISINK = 1mA
0.6
V
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