HT9020B datasheet(3/7 Pages) HOLTEK

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Electrical Characteristics

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VDD

Conditions

VDD

Operating Voltage

¾¾

2.5

5.5

IDD

Operating Current

Functions enabled

¾¾

2mA

2.5V

No load

¾¾

0.8

ISTB

Standby Current

2.5V

Functions disabled or EN=1

¾¾

GDV

Detection Level

fIN=305~640Hz

-36

dBm

2.5V

ENV=1

-42

¾-8

dBm

GRL

Rejection Level

All frequency, ENV=0

¾¾

-50

dBm

fRL

Rejection Out-band

Frequency

£0 dBm, ENV=0

¾¾

200

fRH

800

¾¾

tQI

Detection Pause Time

VSIN

£-50dBm, ENV=0

¾¾

tDD

Detection Signal Time

In-band signal input, ENV=1

¾¾

Rejection Pause Time

VSIN

£-50dBm, ENV=1

¾¾

tDH

Envelope Output Delay Time

Time for high output

tDI

Time for low output

tRD

Rejection Noise Time

VSIN=Any signal, ENV=0

¾¾

tST

Oscillator Start-up Time

¾¾

0.8

sec

Input Impedance

fIN=200~3.4kHz

1.0

¾¾

VREF

Reference Voltage

No load

2.4

2.5

2.6

ZREF

Output Impedance

¾¾

VIH

Logic Input High Voltage

3.5

¾¾

VIL

Logic Input Low Voltage

¾¾

1.5

IIH

Logic Input High Current

VIH=0.5V

¾¾

0.1

IIL

Logic Input Low Current

VIL=0V

-0.1

¾¾

IOH

Output High Current

VOH=4.5V

¾¾

-0.5

IOL

Output Low Current

VOL=0.5V

2.0

¾¾

ISO

Pull-down Current

¾¾

HT9020B

Rev. 1.20

March 31, 2003

HT9020B Datasheet(PDF) 3 Page - Holtek Semiconductor Inc

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