參數(shù)資料
型號(hào)： MT8880C
廠商： Mitel Networks Corporation
英文描述： Integrated DTMF Transceiver(雙音多頻信號(hào)（DTMF）收發(fā)器（帶電話程序?yàn)V波器）)
中文描述： 集成雙音多頻收發(fā)器（雙音多頻信號(hào)（DTMF）的收發(fā)器（帶電話程序?yàn)V波器））
文件頁(yè)數(shù)： 11/24頁(yè)
文件大小： 188K
代理商： MT8880C
ISO
2
-CMOS
MT8880C
4-43
Figure 13 - Application Circuit (Single-Ended Input)
Figure 14 - Test Circuit
IN+
IN-
GS
VRef
VSS
OSC1
OSC2
TONE
R/W
CS
VDD
St/GT
ESt
D3
D2
D1
D0
IRQ/CP
Φ
2
RS0
DTMF/CP
INPUT
DTMF
OUTPUT
C1
R1
R2
X-tal
C4
R
L
V
DD
C3
C2
R4
R3
To
μ
P
or
μ
C
Notes:
R1, R2 = 100 k
1%
R3 = 374 k
1%
R4 = 3.3 k
10%
R
L
= 10 k
(min.)
C1 = 100 nF 5%
C2 = 100 nF 5%
C3 = 100 nF 10%*
C4 = 10 nF 10%
X-tal = 3.579545 MHz
* Microprocessor based systems can inject undesirable noise into
the supply rails. The performance of the MT8880 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.
MT8880C
TEST POINT
MMD6150
(or equivalent)
5.0 VDC
2.4 k
24 k
130 pF
MMD7000
(or equivalent)
TEST POINT
5.0 VDC
3 k
70 pF
Test load for IRQ/CP pin
Test load for D0-D3 pins
相關(guān)PDF資料
PDF描述
MT8885AE Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface
MT8885AN Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface
MT8885AP Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface
MT8885 Integrated DTMFTransceiver with Power Down & Adaptive Micro Interface
MT8885 Integrated DTMF Transceiver with Power Down and Adaptive Micro Interface(雙音多頻信號(hào)（DTMF）收發(fā)器（帶電源關(guān)閉和自適應(yīng)微接口）)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT8880CC 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO2-CMOS Integrated DTMFTransceiver
MT8880CC/CC-1 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Integrated DTMFTransceiver
MT8880CC-1 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:ISO2-CMOS Integrated DTMFTransceiver
MT8880CE 制造商:Microsemi Corporation 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 20PDIP - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:DTMF TXRX 3.58MHZ CMOS 5V 20PDIP - Rail/Tube 制造商:Zarlink Semiconductor 功能描述:Bulk
MT8880CE/CE-1 制造商:MITEL 制造商全稱:Mitel Networks Corporation 功能描述:Integrated DTMFTransceiver
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