RECEIVER ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Input Sensitivity

1

10

Maximum Input Signal

2

Input Impedance

15

k

Ω

GRx

Receive Gain

f = 132.45kHz

20

dB

BER

Bit Error Rate (1)

10

-5

10

-3

Demodulation Time

Alternate 0 , 1 sequence

3

T bit

Carrier Detection Level

f = 132.45kHz, sine wave

5

10

Note 1 : This parameter is guaranteed by correlation

ADDITIONAL DIGITAL AND ANALOG FUNCTIONS ELECTRICAL CHARACTERISTICS

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

High Level Reset Voltage

See Figure 2

7.9

V

Low Level Reset Voltage

See Figure 2

7.6

V

Reset Time

See Figure 2

50

ms

Watch-dog Pulse Width

See Figure 2

500

ns

Watch-dog Pulse Period

See Figure 2

800

µs

Watch-dog Time Out

See Figure 2

1.5

s

Carrier Detection Time

See Figure 3

3

6.5

ms

RSTO

WD

Figure 2 : Reset and Watch-dog Timing Chart

RAI

CD

Figure 3 : Carrier Detection Timing Chart

ST7537HS1

6/9