MAX472ESA datasheet(5/12 Pages) MAXIM

Part #	MAX472ESA

Description	Precision, High-Side Current-Sense Amplifiers

PDF	12 Pages

Scroll/Zoom	100%

Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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5 / 12 page

Precision, High-Side

Current-Sense Amplifiers

_______________________________________________________________________________________

-25

0.1

1000

MAX472

ERROR vs. SENSE VOLTAGE

VSENSE (mV)

-5

-15

100

VRG1-VRG2

VRG2-VRG1

1mA

10mA

100mA

0.1

0.2

0.3

0.4

0.5

MAX471

NOISE vs. LOAD CURRENT

ISENSE

____________________________Typical Operating Characteristics (continued)

(Typical Operating Circuit (MAX471) or circuit of Figure 4, RG1 = RG2 = 200

Ω, ROUT = 2kΩ (MAX472), TA = +25°C, unless

otherwise noted.)

100

µs/div

VCC = 10V, ROUT = 2kΩ 1%, SIGN PULL-UP = 50kΩ 1%

LOAD

CURRENT

50mA/div

VOUT

50mV/div

MAX471

0mA to 100mA TRANSIENT RESPONSE

µs/div

ILOAD = 1A, ROUT = 2kΩ 1%

VOUT

500mV/div

MAX471

START-UP DELAY

VSHDN

5V/div

µs/div

ROUT = 2kΩ 1%

ILOAD

1A/div

MAX471

0A TO 3A TRANSIENT RESPONSE

VOUT

10mV/div

100

µs/div

VCC = 10V, ROUT = 2kΩ 1%, SIGN PULL-UP = 50kΩ 1%

LOAD

CURRENT

100mA/div

50mA/div

VOUT

50mV/div

MAX471

-100mA to +100mA TRANSIENT RESPONSE

SIGN

50mV/div

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