SM8222A 查看數據表（PDF） - Nippon Precision Circuits

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SM8222A

Caller ID Service IC with Call Waiting

Nippon Precision Circuits  

SM8222A/B

AC Electrical Characteristics

FSK decoder

s SM8222A

VDD = 3.0 ± 0.3 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C

Parameter

Input sensitivity

Bandpass filter frequency response

(relative gain for 1700 Hz sine wave

input)

Carrier detect sensitivity

No-carrier detect sensitivity

Oscillator frequency

Symbol

Condition

CD ON

CD OFF

fCLK

60 Hz

1200 Hz

2200 Hz

4000 Hz

≥ 10,000 Hz

Rating

Unit

min

typ

max

–

−48

CDON

dBm

–

−80

–

–

−1

–

–

0

–

dB

–

−43

–

–

−54

–

–

−48

−44

dBm

−55

−51

–

dBm

−0.1%

3.579545

+0.1%

MHz

s SM8222B

VDD = 5.0 ± 0.5 V, GND = 0 V, fCLK = 3.579545 MHz, Ta = −20 to 85 °C

Parameter

Input sensitivity

Bandpass filter frequency response

(relative gain for 1700 Hz sine wave

input)

Carrier detect sensitivity

No-carrier detect sensitivity

Oscillator frequency

Symbol

Condition

CD ON

CDOFF

fCLK

60 Hz

1200 Hz

2200 Hz

4000 Hz

≥ 10,000 Hz

Rating

Unit

min

typ

max

–

−48

CDON

dBm

–

−80

–

–

−1

–

–

0

–

dB

–

−43

–

–

−54

–

–

−48

−44

dBm

−55

−51

–

dBm

−0.1%

3.579545

+0.1%

MHz

NIPPON PRECISION CIRCUITS—6

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