Dust Networks Inc. M1030 Manual De Usuario

 Electrical Specifications

M1030-2 M

OTE

 D

ATASHEET

5

.

Unless otherwise noted, Vcc is 3.0 V and temperature is –40 

°C

 to +85 

°C.

.

Input capacitance (clamped)

24.2

μF

Input capacitance (unclamped)

15.1

μF

V

IH

 (logical high input) 

0.8 x Vcc

Vcc

Vcc + 0.3

V

V

IL

 (logical low input) 

GND – 0.3

GND

GND + 0.6

V

V

OH

 (logical high output) 

0.7 x Vcc

Vcc

Vcc

V

V

OL

 (logical low output) 

GND

GND

0.25 x Vcc

V

Digital current

*

Output source (single pin)

0.6

mA

V

OH

 = 2.3 V, 25 °C

Output sink (single pin)

0.6

mA

V

OL

 = 0.5 V, 25 °C

Input leakage current

50

nA

*

 This current level guarantees that the output voltage meets V

OL

 of 0.25 x Vcc and V

OH

 of 0.7 x Vcc.

Vref

Source current

1

mA

Output level

1.44

1.5

1.56

V

Analog input

Input impedance

2

k

Ω

Input capacitance*

40

pF

Input voltage

0

Vref

V

*

 In order to ensure that the input capacitance can charge quickly enough to get an accurate reading, the total input 

impedance, including source, should be less than 75 k

Ω

.