SM8224 datasheet(6/11 Pages) NPC

부품명	SM8224

상세설명	Dual-Tone Receiver IC

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제조업체	NPC [Nippon Precision Circuits Inc]

홈페이지	http://www.npc.co.jp/en

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SM8224B

NIPPON PRECISION CIRCUITS—6

AC Electrical Characteristics

Measurement conditions: R1 = 430k

Ω, R2 = 34kΩ, R3 = 390kΩ, C1= 0.22µF

FSK decoder

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

Dual tone detector

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

Note: (S0, S1, MODE) = (VDD, 0V, 0V)

Input-stage ampliﬁer Characteristics

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

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Input sensitivity

–

−43

C D ON

dBm

S/N ratio1

1. M a r k signal and SPA CE signal are same level.

Noise: Random noise from 200Hz to 3400Hz.

FSKSNR

2 0

–

d B

Carrier detection sensitivity

C D ON

–

−43

−37.78

d B m

Carrier non-detection sensitivity

C D OFF

−50

−46

–

dBm

Oscillator frequency

fCLK

typ

− 0.1%

3.579545

typ + 0.1%

M H z

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Frequency (low frequency)

fL

–

2130

–

H z

Frequency (high frequency)

fH

–

2750

–

H z

Detection frequency deviation

1.1

–

%

Non-detection frequency deviation

3.5

–

%

Detection sensitivity

−37.78

–

d B m

Non-detection sensitivity

––

−43.78

d B m

Signal level deviation

––6

d B

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Input leakage current

IIN

––1

µ A

DC open-loop voltage gain

G OL

30

–

d B

Unity gain frequency

fC

8 0

–

kHz

Load capacitance

C L

–

100

p F

Load resistance

R L

50

–

k

Ω

유사한 부품 번호 - SM8224

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SM8224 데이터시트(PDF) 6 Page - Nippon Precision Circuits Inc

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유사한 부품 번호 - SM8224

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