CF8223A datasheet(4/15 Pages) NPC

Part #	CF8223A

Description	FSK Decoder and DTMF Receiver IC

Download	15 Pages

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Manufacturer	NPC [Nippon Precision Circuits Inc]

Direct Link	http://www.npc.co.jp/en

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4 / 15 page

SM8223A

NIPPON PRECISION CIRCUITS—4

SPECIFICATIONS

Absolute Maximum Ratings

GND = 0V

Recommended Operating Conditions

GND = 0V

DC Electrical Characteristics

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

P arameter

Symbol

Rating

Unit

Supply voltage range

V DD

−0.5 to 5.0

V

Input voltage range

V IN

− 0.3 to V

DD + 0.3

V

DC input current

IIN

±10

m A

Storage temperature range

T stg

−40 to 125

°C

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Supply voltage

V DD

2.7

–

3.3

V

Clock frequency

fCLK

–

3.579545

–

M H z

Clock frequency accuracy

∆f

C

−0.1

–

+0.1

%

Operating temperature

Ta

−20

–

8 5

°C

P arameter

Symbol

Condition

Rating

Unit

min

typ

m a x

Supply current consumption

IDD

P D W N = 0 V, RDIN = 0 V,

RDRC = 0 V, all other inputs

open

–

4.5

m A

P ow er-down state current

IDPD

P D WN = V DD, RDIN = 0 V,

RDRC = 0 V, all other inputs

open

––

1 5

µ A

P D WN, RDIN, RDRC LOW -level

input voltage

V IL1

–

0.3VDD

V

P D WN, RDIN, RDRC HIGH-level

input voltage

V IH1

0.7VDD

––

V

OSCIN LOW -level input voltage

V IL2

When external clock input

–

0.3VDD

V

OSCIN HIGH-level input voltage

V IH2

When external clock input

0.7VDD

––

V

DOUT, D V, RDET, FSK/DTMF LOW -

level output current

IOL

2––

m A

DOUT, D V, RDET, FSK/DTMF HIGH-

level output current

IOH

––

−0.8

m A

P D WN, RDIN input leakage current

IIN

−1–

1

µ A

RDRC output leakage current

IOFF

––1

µ A

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