參數(shù)資料
型號(hào)： MT3270B
廠商： Zarlink Semiconductor Inc.
英文描述： Wide Dynamic Range DTMF Receiver
中文描述： 寬動(dòng)態(tài)范圍的DTMF接收器
文件頁數(shù)： 1/15頁
文件大?。?/td> 485K
代理商： MT3270B
1
Zarlink Semiconductor Inc.
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
Copyright 1995-2005, Zarlink Semiconductor Inc. All Rights Reserved.
Features
Wide dynamic range (50 dB) DTMF Receiver
Call progress (CP) detection via cadence
indication
4-bit synchronous serial data output
Software controlled guard time for MT3x70B
Internal guard time circuitry for MT3x71B
Powerdown option (MT317xB & MT337xB)
4.194304 MHz crystal or ceramic resonator
(MT337xB and MT327xB)
External clock input (MT317xB)
Guarantees non-detection of spurious tones
Applications
Integrated telephone answering machine
End-to-end signalling
Fax Machines
August 2005
Ordering Information
MT3170/71BE
MT3270/71BE
MT3370/71BS
MT3370/71BN
MT3370/71BSR
MT3371BNR
MT3270/71BE1
MT3171BE1
MT3170BE1
MT3370/BN1
MT3370/71BS1
MT3370/71BSR1
8 Pin PDIP
8 Pin PDIP
18 Pin SOIC
20 Pin SSOP
18 Pin SOIC
20 Pin SSOP
8 Pin PDIP*
8 Pin PDIP*
8 Pin PDIP**
20 Pin SSOP*
18 Pin SOIC*
18 Pin SOIC*
*Pb Free Matte Tin
**Pb Free Tin/Silver/Copper
Tubes
Tubes
Tubes
Tubes
Tape & Reel
Tape & Reel
Tubes
Tubes
Tubes
Tubes
Tubes
Tape & Reel
-40
°
C to 85
°
C
MT3170B/71B, MT3270B/71B, MT3370B/71B
Wide Dynamic Range DTMF Receiver
Data Sheet
Figure 1 - Functional Block Diagram
PWDN
VDD
VSS
INPUT
OSC2
OSC1
(CLK)
MT3170B/71B and MT337xB only.
MT3270B/71B and MT337xB only.
MT3x71B only.
Voltage
Bias Circuit
AGC
Anti-
alias
Filter
High
Group
Filter
Low
Group
Filter
Steering
Circuit
Digital
Detector
Algorithm
Code
Converter
and
Latch
Digital
Guard
Time
Parallel to
Serial
Converter
& Latch
Mux
Energy
Detection
Oscillator
and
Clock
Circuit
To All Chip Clocks
Dial
Tone
Filter
ESt
or
DStD
ACK
SD
相關(guān)PDF資料
PDF描述
MT3270BE Wide Dynamic Range DTMF Receiver
MT3271BE Wide Dynamic Range DTMF Receiver
MT8961 Integrated PCM Filter Codec
MT8962 Integrated PCM Filter Codec
MT8962AS1 Integrated PCM Filter Codec
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MT3270BE 制造商:Microsemi Corporation 功能描述:
MT3270BE1 制造商:Microsemi Corporation 功能描述:PB FREE DTMF RX.2 PIN OSC EST 4.19MHZ 制造商:Microsemi Corporation 功能描述:DTMF RX 4.19MHZ 5V 8PDIP - Rail/Tube 制造商:MICROSEMI CONSUMER MEDICAL PRODUCT GROUP 功能描述:IC RECEIVER DTMF 50DB 8PDIP 制造商:Microsemi Corporation 功能描述:IC RECEIVER DTMF 50DB 8PDIP
MT3271BE 制造商:Microsemi Corporation 功能描述:
MT3271BE1 制造商:Microsemi Corporation 功能描述:DTMF RX 4.19MHZ 5V 8PDIP - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE DTMF RX. 2 PIN OSC.DST.4.19MHZ 制造商:Zarlink Semiconductor Inc 功能描述:DTMF RX 4.19MHZ 5V 8PDIP - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:PB FREE DTMF RX. 2 PIN OSC.DST.4.19MHZ
MT328012 制造商:TE Connectivity 功能描述: 制造商:TE Connectivity 功能描述:Electromechanical Relay 3PDT 20A 12VAC 24Ohm Socket
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