ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage (1)

- 0.3, + 12

V

Digital Input Voltage

V

Digital Output Voltage (microcontroller interface)

V

Digital Output Voltage (PABC and PABC)

V

Digital Output Current

- 5, + 5

mA

Analog Input Voltage

V

Analog Output Voltage

V

Analog Output Current

- 5, + 5

mA

Power Dissipation

500

mW

Operating Temperature

0, + 70

Storage Temperature

- 55, + 150

Notes :

1.

2.

Absolute maximum ratings are values beyond which damage to device may occur. Functional operation under

these conditions is not implied.

GENERAL ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Supply Voltage

9.5

10

10.5

V

Supply Current

30

mA

Digital Output Supply Voltage

4.75

5.25

V

Digital Output Supply Current

1.5

mA

High Level Input Voltage

Digital Inputs

4.2

V

Low Level Input Voltage

Digital Inputs

0.8

V

High Level Output Voltage

µA

4.9

9.8

V

V

Low Level Output Voltage

µA

0.1

0.2

V

V

DC

Duty Cycle

40

60

%

TRANSMITTER ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

VTAC

Max Carrier Output AC Voltage

Ω

Ω

R(ATO, PAFB) = 1k

Ω

0.8

1.0

1.3

HD2

Second Harmonic Distortion

- 50

dB

HD3

Third Harmonic Distortion

- 60

dB

FD

FSK Peak-to-peak Deviation

1200

Hz

ST7537HS1

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