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參數(shù)資料
| 型號： | SM8224 |
| 廠商： | Seiko NPC Corporation |
| 英文描述： | Dual-Tone Receiver IC |
| 中文描述： | 雙音接收芯片 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 108K |
| 代理商： | SM8224 |
SM8224B
NIPPON PRECISION CIRCUITS—1
NIPPON PRECISION CIRCUITS INC.
Dual-Tone Receiver IC
OVERVIEW
The SM8224B 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
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TR-NWT-000030 and SR-TSV-002476 standards
(Bellcore)
Call waiting
FSK decoder
High input sensitivity
Independent input gain adjustment for caller ID
signal and call waiting signal inputs
Power-down mode
Crystal oscillator circuit built-in
Single supply operation:4.5 to 5.5V
Molybdenum-gate CMOS process
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APPLICATIONS
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Telephones, fax machines and modems that sup-
port pre- and mid-conversation information ser-
vices
Adapters for pre- and mid-conversation informa-
tion service functions
Telephone answering machines
Facsimile machines
Computer peripheral equipment
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ORDERING INFORMATION
PINOUT
(Top view)
Device
Package
SM8224BM
20-pin SSOP
SM8224BS
20-pin SOP
1
11
20
10
AGND
TIP
RING
TRQ
GND
OSCIN
OSCOUT
DT1
DT2
DTQ
S0
S1
VDD
CDET
CR
DTDET
STR
MODE
TEST
DOUT
S
相關PDF資料 |
PDF描述 |
|---|---|
| SM8224B | Dual-Tone Receiver IC |
| SM8224BM | Dual-Tone Receiver IC |
| SM8224BS | Dual-Tone Receiver IC |
| SM8230A | Tone Dialer with Built-in Piezo Driver |
| SM8530B | Standard Bus Interface Decoder |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SM8224B | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
| SM8224BM | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
| SM8224BS | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
| SM8224C | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
| SM8224CM | 制造商:NPC 制造商全稱:Nippon Precision Circuits Inc 功能描述:Dual-Tone Receiver IC |
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