AS3930 datasheet(8/33 Pages) AMSCO

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AS3930

Data Sheet - E l e c t r i c a l C h a r a c t e r i s t i c s

6 Electrical Characteristics

Table 4. Electrical Characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Operating Conditions

AVDD

Positive supply voltage

2.4

3.6

AVSS

Negative supply voltage

TAMB

Ambient temperature

-40

ºC

DC/AC Characteristics for Digital Inputs and Outputs

CMOS Input

VIH

High level input voltage

0.58 *

VDD

0.7 *

VDD

0.83 *

VDD

VIL

Low level input voltage

0.125 *

VDD

0.2 *

VDD

0.3 *

DVDD

ILEAK

Input leakage current

100

CMOS Output

VOH

High level output voltage

With a load current of 1mA

VDD -

0.4

VOL

Low level output voltage

With a load current of 1mA

VSS +

0.4

Capacitive load

For a clock frequency of 1 MHz

400

Tristate CMOS Output

VOH

High level output voltage

With a load current of 1mA

VDD -

0.4

VOL

Low level output voltage

With a load current of 1mA

VSS +

0.4

IOZ

Tristate leakage current

to DVDD and DVSS

100

Table 5. Electrical System Specifications

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Input Characteristics

Rin

Input Impedance

In case no antenna damper is set (R1<4>=0)

Fmin

Minimum Input Frequency

110

kHz

Fmax

Maximum Input Frequency

150

kHz

Current Consumption

IPWD

Power Down Mode

400

800

ICHRC

Current Consumption in

standard listening mode with

channel active all the time and

RC-oscillator as RTC

2.7

µA

ICHOORC

Current Consumption in ON/

OFF mode and RC-oscillator

as RTC

11% Duty Cycle

1.37

µA

50% Duty Cycle

ICHXT

Current Consumption in

standard listening mode and

crystal oscillator as RTC

3.5

5.9

µA

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