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MT3171BE1 Datasheet

  • MT3171BE1

  • Wide Dynamic Range DTMF Receiver

  • 488.75KB

  • 15頁

  • ZARLINK   ZARLINK

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MT3170B/71B, MT3270B/71B, MT3370B/71B
Wide Dynamic Range DTMF Receiver
Data Sheet
Features
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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
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
-40擄C to 85擄C
Tubes
Tubes
Tubes
Tubes
Tape & Reel
Tape & Reel
Tubes
Tubes
Tubes
Tubes
Tubes
Tape & Reel
August 2005
Applications
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Integrated telephone answering machine
End-to-end signalling
Fax Machines
PWDN
VDD
VSS
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Voltage
Bias Circuit
Steering
Circuit
High
Group
Filter
Anti-
alias
Filter
Dial
Tone
Filter
Low
Group
Filter
Digital
Detector
Algorithm
Code
Converter
and
Latch
Digital
Guard
Time
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Parallel to
Serial
Converter
& Latch
ESt
or
DStD
ACK
INPUT
AGC
Mux
SD
OSC2
OSC1
(CLK)
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Oscillator
and
Clock
Circuit
To All Chip Clocks
Energy
Detection
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MT3170B/71B and MT337xB only.
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MT3270B/71B and MT337xB only.
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MT3x71B only.
Figure 1 - Functional Block Diagram
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.

MT3171BE1 產(chǎn)品屬性

  • 0現(xiàn)貨

  • 停產(chǎn)

  • -

  • 管件

  • 停產(chǎn)

  • DTMF 接收器

  • 并聯(lián)

  • 1

  • 4.75V ~ 5.25V

  • 3mA

  • -

  • -40°C ~ 85°C

  • 通孔

  • 8-DIP(0.300",7.62mm)

  • 8-PDIP

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