Absolute Maximum Ratings*

Supply Voltage ............................... –0.3V to 6V

Storage Temperature................. –55

Operating Temperature .............. –20

*Note: These are stress ratings only. Stresses exceeding the range specified under “Absolute Maxi-

mum Ratings” may cause substantial damage to the device. Functional operation of this

device at other conditions beyond those listed in the specification is not implied and prolonged

exposure to extreme conditions may affect device reliability.

Electrical Characteristics

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

Conditions

Operating Voltage

—

CPT mode

2.5

—

5.5

V

ABR mode

2.0

—

5.5

V

Operating Current

5V

Functions enabled

—

—

2

mA

2.5V No load

—

—

0.8

mA

Standby Current

2.5V

Functions disabled or

EN=1

——

1

Detection Level

5V

–36

—

0

dBm

2.5V ENV=1

–42

—

–8

dBm

Rejection Level

—

All frequency, ENV=0

—

—

–50

dBm

Rejection Out-band

Frequency

—V

—

800

—

200

—

Hz

Detection Signal Time

—

In-band signal input,

ENV=1

40

—

—

ms

Rejection Noise Time

—

Any signal input,

ENV=0

——

20

ms

Envelope Output

Delay Time

—

Time to output high

Time to output low

—40—

ms

Data Valid Output Time

—

Time to output high/low

1.05

1.16

1.2

sec

Data Setup Time

—

—

3

4

5

ms

Interval Time

—

Internal signal

—

2.32

—

sec

Interval Pause Time

—

Internal signal

8

—

ms

Clear Time

—

—

—

250

—

ns

OSC Start Up Time

—

—

—

0.8

2

sec

Input Impedance

—

1.0

—

—

M

Ω

Reference Voltage

—

No load

2.4

2.5

2.6

V

HT9020

5

21st Aug ’98