SM8224BM datasheet(7/11 Pages) NPC

部件名	SM8224BM

功能描述	Dual-Tone Receiver IC

Download	11 Pages

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制造商	NPC [Nippon Precision Circuits Inc]

网页	http://www.npc.co.jp/en

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7 / 11 page

SM8224B

NIPPON PRECISION CIRCUITS—7

Timing Characteristics

FSK decoder

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

Output timing)

VDD = 5.0V ± 0.5V, GND = 0V, fCLK = 3.579545MHz, Ta = −20 to 85°C, FSK input data = 1200 ± 12 baud

unless otherwise noted.

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

P ow er-down release to star t-up time

tDOSC

–5–

m s

Carrier detection ON time

tDAQ

2.5

–

1 0

m s

Final data to carrier detection OFF time

tDCH

3–

1 5

m s

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

STR , DOUT r ise time

tr0

–

200

ns

STR , DOUT fall time

tf0

–

200

ns

Input/output delay

tIDD

Input to DOUT

–

5

m s

DOUT data rate

1188

1200

1212

baud

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