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SM8224CM Fiches technique(PDF) 1 Page - Nippon Precision Circuits Inc

No de pièce SM8224CM
Description  Dual-Tone Receiver IC
Download  11 Pages
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Fabricant  NPC [Nippon Precision Circuits Inc]
Site Internet  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM8224CM Fiches technique(HTML) 1 Page - Nippon Precision Circuits Inc

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SM8224C
SEIKO NPC CORPORATION —1
Dual-Tone Receiver IC
OVERVIEW
The SM8224C is a receiver and decoder that supports the Bellcore TR-NWT-000030 and SR-TSV-002476
standards calling number identification (caller ID) and call waiting dual-tone signals. It has separate caller ID
signal and call waiting signal inputs, which allows the gain for each input to be adjusted independently. It is
fabricated in CMOS and features a power-down function, realizing low power dissipation operation.
FEATURES
I
TR-NWT-000030 and SR-TSV-002476 standards
(Bellcore)
I
Call waiting
I
FSK decoder
I
High input sensitivity
I
Independent input gain adjustment for caller ID
signal and call waiting signal inputs
I
Power-down mode
I
Crystal oscillator circuit built-in
I
Single supply operation: 2.7 to 5.5V
I
Molybdenum-gate CMOS process
I
Package: 20-pin SSOP, Chip form
APPLICATIONS
I
Telephones, fax machines and modems that support
pre- and mid-conversation information services
I
Adapters for pre- and mid-conversation informa-
tion service functions
I
Telephone answering machines
I
Facsimile machines
I
Computer peripheral equipment
ORDERING INFORMATION
PINOUT
(Top view)
PACKAGE DIMENSIONS
(Unit: mm)
Device
Package
SM8224CM
20-pin SSOP
CF8224C
Chip form
1
11
20
10
AGND
TIP
RING
TRQ
GND
DT1
DT2
DTQ
S0
S1
VDD
CDET
MODE
OSCIN
OSCOUT
TEST
CR
DTDET
STR
DOUT
7.20
± 0.05
7.40 max
0.68
± 0.12
0.65
0.30
± 0.10
0.13 M
0.10
0.20
± 0.05
0 to 8


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