FS9922-DMM4-DS-11 データシートの表示（PDF） - Unspecified

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FS9922-DMM4-DS-11

Integrated Circuits of 6,000 Counts Auto-ranging Digital Multimeter with Bar Graph

Unspecified 

FS9922-DMM4

8.2 Electrical Parameters

Symbol

Parameter

Test Condition Min. Typical Max. Unit

VDD

IDD

Recommended

Power Voltage

Operation Current

Operation

In DCV Mode

2.4

3.6

V

1.5

3

mA

IPO Sleep Current

VIH

Digital High Voltage Level

In Auto Power-off Status

VDD-0.5

10

µA

V

VIL

AGND

VDDA

Digital Low Voltage Level

Analog Ground Voltage

Analog Power Supply

0.5

V

VDDA/2

-3%

VDDA/2

VDDA/2

+3%

V

3.4

3.9

4.4

V

VBAND Built in Bandgap Voltage

Voltage Relative to

AGND

1.1

1.25

1.4

V

Coefficient of curve of Bandgap

Voltage along with power

VDD=2.4〜3.6V

2

mV/V

voltage

REFI

Recommended

Voltage

referenced Voltage Relative to

AGND

0.63

V

VBATT Low Voltage Detector

Use DC 3V

2.25

2.4

2.55

V

FLCD

VLCD

FBEEP

LCD Frequency

LCD PK-PK Driver Voltage

Buzzer Frequency

32

Hz

2.8

3

3.2

V

2.7

kHz

FRS232

IRSOUT

RS232 Baud Rate

RS232 Transmission

Voltage Level Current

“0”Input Reading

High

VOH=2V

DC ADP×1

Input=0V

2400

bps

2

mA

-1

0

1

digits

Linearity (Max. Deviation From

DC ADP×1

Best Straight Line Fit)

Full Scale±400mV

-1

0

1

Bit

AC Measurement Bandwidth

Error

AC ADP×1

Input 400mVrms

20Hz~1kHz

0.2

%

RCC Continuity Check Value

10

60

Ω

ADC Measurement O.L Display

Count

6040

counts

Auto range Up Count

6040

counts

Auto range Down Count

560

counts

VFREA

Frequency Count

(Hz/Duty Control)

Voltage VIL (relative to AGND)

-60

mV

VIH (relative to AGND)

60

mV

FMAXA

Max. Frequency Input (Hz/Duty

Control)

Vpp=±100mV

Square Wave Input

500

kHz

*1

Duty Cycle Measurement

Vpp=±100mV

Deviation (Hz/Duty Control)

Square Wave Input

1

µs

VFRED

FMAX

*1

Frequency Count Input Voltage VIL (relative to AGND)

(MEAS=10100)

VIH (relative to AGND)

(MEAS=10100) Input Frequency

Vpp=±600mV

of Frequency Count

Square Wave Input

(MEAS=10100)Duty

Cycle

Vpp=±600mV

Measurement Deviation

Square Wave Input

-600

5

mV

600

mV

MHz

100

ns

Accuracy of Capacitance 60.00 nF Mode

2%+10 digits

Measurement in Relative Value

Measurement Status (by

600.0nF Mode standard

adjustment)

600.0 nF Mode

6.000 µF Mode

60.00 µF Mode

0.5%+3

1%+2

1.5%+2

digits

digits

digits

*1 During Duty Cycle measurement, when a square wave is input, the difference comes mainly from the analyzable impulse

width difference of the competitor. If the input is a 100kHz square wave, which can be divided into 1000 counts, each count

is 10 ns. Therefore, the max. difference is （100ns/10 ns）=10Counts, 50.0%±1.0% can be measured from 50.0% of output

signal. The signal larger than 99% or less than 1% might not be able to be measured.

Rev. 1.1

10/39

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