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參數(shù)資料
| 型號： | MT88L85 |
| 廠商： | Mitel Networks Corporation |
| 英文描述： | 3V Integrated DTMF Transceiver with Power-Down and Adaptive Micro Interface(3V 集成雙音多頻信號（DTMF）接收器（帶電源關(guān)閉和自適應(yīng)微接口）) |
| 中文描述： | 3V的集成雙音多頻收發(fā)器關(guān)閉電源和自適應(yīng)微型接口（3V的集成雙音多頻信號（DTMF）的接收器（帶電源關(guān)閉和自適應(yīng)微接口）） |
| 文件頁數(shù)： | 13/25頁 |
| 文件大?。?/td> | 197K |
| 代理商： | MT88L85 |
MT88L85
4-83
Figure 14 - Application Circuit (Differential Input Configuration)
IN+
IN-
GS
VRef
VSS
OSC1
OSC2
TONE
R/W/WR
CS
VDD
St/GT
ESt
D3
D2
D1
D0
IRQ/CP
DS/RD
RS0
DTMF/CP
INPUT
DTMF
OUTPUT
C2
R4
X-tal
R
LT
V
DD
C3
C5
R6
To
μ
P
or
μ
C
Notes:
Example of External Component Values:
R1, R4 = 100 k
1%
R2 = 60.4 k
1%
R6 = 374 k
1%
R7 = 3.3 k
10%
R
LT
= 10 k
(min.) 50 k
(max.)
C1 = 10 nF 5%
C2 = 10 nF 5%
C3 = 100 nF 10%
C4 = 0.1
μ
F (to remove the DC component)
C5= 100 nF 5%
C6 = 10 nF 10% (to remove any high frequency components)
X-tal = 3.579545 MHz
MT88L85
PWDN
NC
NC
NC
C4
For Unity Gain:
R3 = 37.4 k
1%
R5 = 100 k
1%
For +2dB Gain:
R3 = 40.2 k
1%
R7
R5 = 127 k
1%
C1
R1
R5
R3
R2
C6
Microprocessor based systems can inject undesirable noise into the supply rails.
The performance of the MT88L85 can be optimized by keeping
noise on the supply rails to a minimum. The decoupling capacitor (C3) should be
connected close to the device and ground loops should be avoided.
*
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MT88L85AE | 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:3V Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface |
| MT88L85AE1 | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 3V 24PDIP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC TXRX DTMF 3V 24PDIP 制造商:Microsemi Corporation 功能描述:IC TXRX DTMF 3V 24PDIP |
| MT88L85AN | 制造商:Microsemi Corporation 功能描述: |
| MT88L85AN1 | 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 3V 24SSOP - Rail/Tube 制造商:Microsemi Corporation 功能描述:3V DTMF TRANSCEIVER |
| MT88L85ANR | 制造商:Microsemi Corporation 功能描述: |
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