MAX4373FESA datasheet(3/12 Pages) MAXIM

3 / 12 page

Low-Cost, Micropower, High-Side Current-Sense

Amplifier + Comparator + Reference ICs

_______________________________________________________________________________________

VSENSE =

20mV to 150mV;

VCC = 12V; VRS+ = 12V;

Gain = 20, 50

MAX437_T

VRS+ = 12V,

VCC = 12V,

CLOAD = 10pF

VSENSE = 100mV, CLOAD = 10pF,

VCC = 12V, VRS+ = 12V

Gain = +20V/V,

VCC = 12V,

VRS+ = 12V,

CLOAD = 10pF

No sustained oscillations

VSENSE = 100mV

VOUT = 2V, VRS+ > 2V

CONDITIONS

±0.64

±5.2

∆AV

Gain Accuracy

V/V

+20

kHz

200

-3dB Bandwidth

Gain

580

600

618

Comparator Threshold

0.5

µs

OUT Settling Time to 1% of

Final Value

1000

Capacitive Load Stability

Ω

1.5

ROUT

OUT Output Resistance

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

120

110

VSENSE = 100mV,

Gain = +20V/V

VSENSE = 100mV,

Gain = +50V/V

VSENSE = 100mV,

Gain = +100V/V

VSENSE = 6.25mV

MAX437_H

MAX437_F

+100

+50

TA = +25°C

TA = -40°C to +85°C

±7.2

VSENSE = 6.25mV to

100mV

VSENSE = 100mV to

6.25mV

PSR

Power-Up Time to 1% of Final

Value

Power-Supply Rejection

VCC = 12V, VRS+ = 12V, CLOAD = 10pF

Saturation Recovery Time

(Note 8)

0.1

-9

Comparator Hysteresis

±2.2

±15

Input Bias Current

CL = 10pF, RL = 10k

Ω pull-up to 5V,

5mV of overdrive

µs

Propagation Delay

ISINK = 1mA

0.6

VOL

Output Low Voltage

VSENSE =

20mV to 100mV,

VCC = 12V, VRS+ = 12V,

Gain = 100

TA = +25°C

TA = -40°C to +85°C

±7.2

±0.62

±5.0

COMPARATOR (Note 9)

ELECTRICAL CHARACTERISTICS (continued)

(VCC = +2.7V to +28V, VRS+ = 0 to +28V, VSENSE = 0, VRESET = 0, RLOAD= 1M

Ω, TA = TMIN to TMAX, unless otherwise noted. Typical

values are at TA = +25°C.) (Note 1)

MAX4373FESA Datasheet(PDF) 3 Page - Maxim Integrated Products

MAX4373FESA Datasheet(HTML) 3 Page - Maxim Integrated Products

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL