MAX4373TESA 查看數據表（PDF） - Maxim Integrated

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MAX4373TESA

Low-Cost, Micropower, High-Side Current-Sense Amplifier + Comparator + Reference ICs

Maxim Integrated 

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, V RESET = 0, RLOAD= 1MΩ, TA = TMIN to TMAX, unless otherwise noted. Typical

values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

INTYP MAX

UNITS

Output High Leakage Current

VCC = 28V, VPULL-UP = 5V (Note 10)

RESET Input High Voltage

VIH

2.0

RESET Input Low Voltage

VIL

1

µA

V

0.8

V

Logic Input Current

Minimum RESET Pulse Width

RESET Propagation Delay

IIL, IIH

tRPW

tRPD

VIL = 0, VIH = 5.5V, VCC = 28V

-0.5

0.5

µA

1.5

µs

3

µs

Note 1: All devices are 100% production tested at TA = +25°C. All temperature limits are guaranteed by design.

Note 2: Guaranteed by PSR test.

Note 3: Guaranteed by OUT Voltage Error test.

Note 4: Guaranteed by Gain Accuracy test. Output voltage is internally clamped not to exceed 12V.

Note 5: Total OUT Voltage Error and Full-Scale Accuracy are the sum of gain and offset voltage errors.

Note 6: Measured at IOUT = -500µA (RLOAD = 4kΩ for gain of +20V/V, RLOAD = 10kΩ for gain of +50V/V, RLOAD = 20kΩ for gain of

+100V/V).

Note 7: +6.25mV = 1/16 of +100mV full-scale voltage.

Note 8: The device will not experience phase reversal when overdriven.

Note 9: All comparator tests are done with VRS+ = +12V.

Note 10: VPULL-UP is defined as an externally applied voltage through a resistor to pull up the comparator output.

Typical Operating Characteristics

(VRS+ = +12V, VCC = +12V, RLOAD = 1MΩ, VRESET = 0, VSENSE = 100mV, VPULL-UP = +5V, RPULL-UP = 10kΩ, TA = +25°C, unless

otherwise noted.)

SUPPLY CURRENT

vs. SUPPLY VOLTAGE

60

MAX4374/MAX4375

50

40

MAX4373

30

20

10

VSENSE = 5mV

0

0 5 10 15 20 25 30

SUPPLY VOLTAGE (V)

SUPPLY CURRENT

vs. COMMON-MODE VOLTAGE

52

51

50

MAX4374/MAX4375

49

48

47

MAX4373

46

45

VSENSE = 5mV

44

0 5 10 15 20 25 30

COMMON-MODE VOLTAGE (V)

TOTAL OUTPUT ERROR

vs. SUPPLY VOLTAGE

2.0

1.5

1.0

AV = +100V/V

0.5

AV = +50V/V

0

AV = +20V/V

-0.5

-1.0

-1.5

-2.0

2 4 6 8 10 12 14 16 18 20 22 24 26 28

SUPPLY VOLTAGE (V)

4 _______________________________________________________________________________________

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