ES233 datasheet(6/37 Pages) CYRUSTEK

6 / 37 page

V 2.2

2015/12/15

ES233

4000 Counts DMM

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

V- -0.6 to DGND +0.6

Power Dissipation. Flat Package

500mW

Operating Temperature

-20℃ to 70℃

Storage Temperature

-45℃ to 125℃

Electrical Characteristics

Parameter

Symbol

Test Condition

Min.

Typ.

Max

Units

Power supply

V-

2.4

-3.0

3.3

Operating supply current In

DCV mode

IDD

Normal operation

—

1.8

2.5

ISS

In sleep mode

—

µA

Voltage roll-over error

REV

10MΩ input resistor

—

±0.1

%F.S

Voltage nonlinearity

NLV

Best case straight line

CIL=MPR capacitor

—

±0.1

%F.S

Zero input reading

10MΩ input resistor

-000

000

+000

counts

Band-gap reference voltage

VREF

100KΩ resistor between

VRH and AGND

-1.30

-1.23

-1.16

Open circuit voltage for 40

0Ω

measurement

V-=3V

—

-3.0

—

Open circuit voltage for other Ω

measurement

-1.19

-1.08

-0.97

Peak to peak backplane voltage

-3.5V

≤ V ≤-2.2V

3.0

3.1

3.2

Internal pull-high to 0V current

Between V- pin and

HOLD, RANGE, KEY,

FC1-FC5, BKLIT,

—

1.2

—

µA

Between V- pin

and RS232

—

µA

AC frequency response at

4.000V range

±1%

—

40-400

—

±5%

—

400-2000

—

3dB frequency for LPF mode

F3dB = 1kHz

—

kHz

F3dB = Full

100k

—

kHz

Multi-level low battery detector

Vt1

LBAT9 vs. V-

—

2.15

—

Vt2

—

1.82

—

Reference voltage temperature

coefficient

TCRF

-20℃<TA<70℃

—

100

—

ppm/℃

Capacitance measurement

accuracy

4.0nF – 40mF

-2.5

—

2.5

-3

—

counts

Note:

1. Full Scale.

2. When capacitance measurement (Clamp mode) is selected, the additional error 1% should be increased.

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