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聚点滴之芯．成浩瀚之海

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Input capacitance

IC

-

6.4

-

pF

Equivalent input impedance:

Current channel

Voltage channel

EII

500

6

-

kΩ

MΩ

Equivalent input noise:

Current channel

Voltage channel

-

-

-

-

2

20

µVrms

µVrms

Power supply

Current consumption

(VDD = 5 V)

I

4

-

-

mA

mA

Power consumption

(VDD = 5 V)

PC

-

20

mW

Low voltage threshold for power

failure detection

PMLO

-

4

-

V

High voltage threshold for power

failure detection

PMHI

-

4.3

-

V

Built-in reference voltage

Reference voltage

VREF

2.3

2.43

2.55

V

Temperature excursion

-

25

-

ppm/℃

Measurement accuracy (measuring relative error and absolute error of the parameter)

Parameters

Symbol

Min.

Value

Typical

Value

Max.

Value

Unit

Current: 1mR sampling resistance (ideal value, without resistance error), full

range of the current is 30.9A

30.9A~250mA (relative error)

-2

1

2

%

249mA~60mA (absolute error)

10

15

mA

Min. measured value of current (to

be determined by overall noise)

60

mA