75T2091中文資料TDK株式會社數(shù)據(jù)手冊PDF規(guī)格書
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DESCRIPTION
TDK Semiconductor’s 75T2089/2090/2091 are complete Dual-Tone Multifrequency (DTMF) Transceivers that can both generate and detect all 16 DTMF tone-pairs. These ICs integrate the performance-proven 75T202 DTMF receiver with a DTMF generator circuit.
FEATURES
· DTMF Generator and Receiver on one-chip
· Call progress detection (2090/2091 only)
· Early detect output (2091 only)
· DTMF Receiver exhibits excellent speech immunity
· Analog input range from -32 to -2 dBm (ref 600W )
· Three-state outputs (4-bit hexadecimal) from DTMF Receiver
· AC coupled, internally biased analog input
· Latched DTMF Generator inputs
· DTMF output typ. -8 dBm (Low Band) and -5.5 dBm (High Band)
· Easy interface for microprocessor dialing
· Uses inexpensive 3.579545 MHz crystal for reference
· Low-power 5 volt CMOS
產(chǎn)品屬性
- 型號：
75T2091
- 制造商：
TDK
- 制造商全稱：
TDK Electronics
- 功能描述：
DTMF Transceivers
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
TDK/東電化 |
24+ |
PLCC28 |
880000 |
明嘉萊只做原裝正品現(xiàn)貨 |
詢價 | ||
TDK/東電化 |
2000 |
PLCC28 |
750 |
詢價 | |||
IDT |
23+ |
NA |
144 |
專做原裝正品,假一罰百! |
詢價 | ||
EL |
DFN |
608900 |
原包原標(biāo)簽100%進(jìn)口原裝常備現(xiàn)貨! |
詢價 | |||
TDK |
24+ |
PLCC28 |
500 |
詢價 | |||
TDK |
22+ |
PLCC28 |
27902 |
原裝正品現(xiàn)貨 |
詢價 | ||
9143 |
6 |
公司優(yōu)勢庫存 熱賣中! |
詢價 | ||||
TDK |
2020+ |
PLCC28 |
80000 |
只做自己庫存,全新原裝進(jìn)口正品假一賠百,可開13%增 |
詢價 | ||
TDK |
22+ |
PLCC |
25000 |
原裝現(xiàn)貨,價格優(yōu)惠,假一罰十 |
詢價 | ||
TDK |
24+ |
PLCC28 |
65200 |
一級代理/放心采購 |
詢價 |
