MT3271BE1 Zarlink, MT3271BE1 Datasheet

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MT3271BE1

Manufacturer Part Number
MT3271BE1
Description
DTMF RX 4.19MHz 5V 8-Pin PDIP Tube
Manufacturer
Zarlink
Datasheet

Specifications of MT3271BE1

Package
8PDIP
Operating Frequency
4.19 MHz
Typical Supply Current
3 mA
Typical Operating Supply Voltage
5 V
Minimum Operating Supply Voltage
4.75 V
Maximum Operating Supply Voltage
5.25 V

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MT3271BE1
Manufacturer:
Zarlink
Quantity:
20
Part Number:
MT3271BE1
Manufacturer:
MAXIM
Quantity:
82
Features
Applications
PWDN
INPUT
OSC1
(CLK)
OSC2
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
Integrated telephone answering machine
End-to-end signalling
Fax Machines
VDD
VSS
MT3x71B only.
MT3170B/71B and MT337xB only.
MT3270B/71B and MT337xB only.
Oscillator
Circuit
Clock
Bias Circuit
and
Voltage
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.
AGC
Filter
Anti-
alias
Copyright 1995-2007, Zarlink Semiconductor Inc. All Rights Reserved.
To All Chip Clocks
Tone
Filter
Dial
Figure 1 - Functional Block Diagram
Zarlink Semiconductor Inc.
Group
Group
Filter
High
Filter
Low
MT3170B/71B, MT3270B/71B, MT3370B/71B
1
Wide Dynamic Range DTMF Receiver
MT3170/71BE
MT3270/71BE
MT3370/71BS
MT3370/71BN
MT3370/71BSR
MT3371BNR
MT3270/71BE1
MT3171BE1
MT3170BE1
MT3370/BN1
MT3370/71BS1
MT3370/71BSR1
Algorithm
Detector
Digital
Detection
Energy
Steering
Circuit
**Pb Free Tin/Silver/Copper
Ordering Information
*Pb Free Matte Tin
Converter
-40°C to 85°C
Code
Latch
and
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*
Parallel to
Converter
Time
Digital
Guard
& Latch
Serial
Mux
Data Sheet
Tubes
Tubes
Tubes
Tubes
Tubes
Tape & Reel
Tape & Reel
Tubes
Tubes
Tubes
Tubes
Tape & Reel
February 2007
ACK
DStD
ESt
SD
or

Related parts for MT3271BE1

MT3271BE1 Summary of contents

Page 1

... To All Chip Clocks MT3170B/71B and MT337xB only. MT3270B/71B and MT337xB only. MT3x71B only. Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc. Copyright 1995-2007, Zarlink Semiconductor Inc. All Rights Reserved. MT3170B/71B, MT3270B/71B, MT3370B/71B Wide Dynamic Range DTMF Receiver MT3170/71BE ...

Page 2

... DTMF signal, and also indicates the cadence of call progress input. As DTMF signal lies in the same frequency band as call progress signal, this pin may toggle for DTMF input. The SD pin is at logic low in powerdown state. 2 Zarlink Semiconductor Inc. Data Sheet MT3370BN/71BN ...

Page 3

... Summary of MT3x70/71B Product Family 18 Pin 20 Pin PWDN √ √ √ √ √ √ √ √ Description 3 Zarlink Semiconductor Inc. Data Sheet Description and V are Pin Ext ESt DStD OSC CLK √ √ √ ...

Page 4

... SD pin. The next three pulses on ACK pin will shift the remaining latched bits in a serial format (see Figure 5). If less than four pulses are applied to the ACK pin, new data cannot be latched even though ESt/DStD can be valid. Clock pulses should be applied to clock out any remaining data bits to resume normal operation. Any transitions in excess 4 Zarlink Semiconductor Inc. Data Sheet th ...

Page 5

... 1633 1633 1633 LOGIC LOW, 1= LOGIC HIGH Table 1 - Serial Decode Bit Table ESt/DStD (output) Refer to Fig. 4 for timing waveforms + low low undefined Table 2 - Powerdown Mode 5 Zarlink Semiconductor Inc. Data Sheet MT317xB/337xB SD (output) status Refer to Fig. 4 for ...

Page 6

... Qm - 1.299E+03 ∆f ±0. Zarlink Semiconductor Inc. Data Sheet Description North American Dial Tones European Dial Tones Far East Dial Tones North American Line Busy Japanese Line Busy North American Reorder Tones North American Audible Ringing North American Reorder Tones Crystal 150 95 ...

Page 7

... A 22-bit counter will count 4,194,304 cycles to provide a one second time base. DTMF/CP Input COMPONENTS LIST: = 0.1 µF ± Crystal or Resonator (4.194304 MHz INPUT DD MT327xB 2 OSC2 ESt/DStD X1 3 OSC1 ACK Figure 3 - Application Circuit for MT327xB 7 Zarlink Semiconductor Inc. Data Sheet microprocessor or microcontroller 5 ...

Page 8

... Min. Typ. Max 100 DDQ 0.4 4 1.0 9 Zarlink Semiconductor Inc. Data Sheet Min. Max. Units 6 V -0.3 6 °C -65 150 500 mW Max. Units Test Conditions 5.25 V MHz ±0.1 % °C 85 ° C, unless otherwise Units Test Conditions mA µA PWDN=5V, ACK=0V ESt/DStD = MT327xB/MT337xB ...

Page 9

... REC t 20 REC 9 Zarlink Semiconductor Inc. Data Sheet ° C unless otherwise Units Test Conditions* dBm 1,2,3,5,6,12 mV RMS dB 1,2,3,4,11,12,15 dB 1,2,3,4,11,12,15 1,2,3,5,12 1,2,3,5,12,15 dB 1,2,3,4,5,12 dB 7,9,12 dB 8,10,12 dBm 16 dBm IDDQ ≤ 100µA ms MT3170B/3370B ms MT3171B/3371B Note 14 ...

Page 10

... V =0V and temperature - ‡ Sym. Min. Typ. Max 1.0 3.0 ACK t 100 140 PAD ± ± 1.5% 2 Hz. ± 2%). 10 Zarlink Semiconductor Inc. Data Sheet ° C unless otherwise Units Test Conditions* ms MT3x71B ms MT3x71B MHz 13,15 ns 1MHz f , ACK 13,15 ns 13,15 ...

Page 11

... SD ESt/DStD ACK PAD V IH DTMF Energy SD Detect REC DTMF Tone # LSB Figure 4 - Timing Diagram ACK LSB Figure 5 - ACK to SD Timing 11 Zarlink Semiconductor Inc. Data Sheet t DO DTMF Input Tone Signal # MSB Input Signal Envelope DTMF Energy Detect MSB ...

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Page 15

... Zarlink, or non-Zarlink furnished goods or services may infringe patents or other intellectual property rights owned by Zarlink. This publication is issued to provide information only and (unless agreed by Zarlink in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned ...

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