ES166 datasheet(2/23 Pages) CYRUSTEK

2 / 23 page

Ver 1.5

17/03/29

ES166

LCR/DMM analog front

Absolute Maximum Ratings

Characteristic

Rating

Supply Voltage (V- to AGND)

-4V

Analog Input Voltage

V- -0.6 to V+ +0.6

V+

≥ (AGND/DGND+0.5V)

AGND/DGND

≥ (V- -0.5V)

Digital Input (IO_CTRL=V-)

V- -0.6 to uPVCC+0.6

Power Dissipation. Flat Package

500mW

Operating Temperature

-20℃ to 70℃

Storage Temperature

-55℃ to 125℃

Electrical Characteristics

TA=23 + 5℃

Power supply

V-

Test condition

-2.2

-3.0

-3.4

Operating supply current

IDD

DCV mode

—

1.4

—

IDD

LC mode

—

3.6

—

ISS

In sleep mode

—

µA

Voltage roll-over error

10MΩ input resistor

—

±0.1

%F.S

ADC nonlinearity

Best case straight

line

—

±0.1

%F.S

ADC full scale range

VR_VA = -400mV

—

600

—

Input Leakage for VR1 input

-10

Zero input reading

10MΩ input resistor -000

000

+000

Count

Band-gap reference voltage

VRH

100KΩ resistor

between VRH and

AGND

-1.30

-1.22

-1.14

Source voltage for diode mode

—

V+

—

Open circuit voltage for 60

0Ω range

measurement

—

V-

—

Open circuit voltage for other

measurement

—

-0.9

—

Internal pull-high to 0V

current

Between V- pin and

—

1.2

—

µA

AC frequency response at 6.000V

range

±1%

—

40-400

—

±5%

—

400-2000

—

STBEEP comparator in Cont./Diode

mode

OVX to SGND

—

Frequency input sensitivity (FREQ)

Fin

Square wave with

Duty cycle 40-60%

500

—

mVp

Frequency input sensitivity (FREQ)

Fin

Sine wave

400

—

mVrms

Low battery flag indication

Connect LBAT to

AGND

-2.2

-2.3

-2.4

Best basic accuracy for LC mode

100-10k

Ω range

—

±0.5

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