MT3171BE Mitel, MT3171BE Datasheet
MT3171BE
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MT3171BE Summary of contents
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Features • Wide dynamic range (50dB) 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 ...
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MT3170B/71B, MT3270B/71B, MT3370B/71B MT3170B/71B MT3270B/71B INPUT VDD INPUT ESt/ PWDN OSC2 DStD CLK ACK OSC1 VSS VSS PIN PLASTIC DIP Pin Description Pin # 337xB 327xB ...
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Device 8 Pin Type MT3170B MT3171B MT3270B MT3271B MT3370B MT3371B Functional Description The MT3x7xBs are high performance and low power consumption DTMF receivers. provide wide dynamic range DTMF detection and a serial decoded data output. These devices also incorporate an ...
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MT3170B/71B, MT3270B/71B, MT3370B/71B Serial Data (SD) Output When a valid DTMF signal burst is present, ESt or DStD will go high. The application of four clock pulses on the ACK pin will provide a 4-bit serial binary code representing the ...
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Parameter Unit Resonator R1 Ohms 6.580 L1 mH 0.359 C1 pF 4.441 C0 pF 34.890 Qm - 1.299E+ ±0.2% Table 4. Recommended Resonator and Crystal Specifications Note: Qm=quality factor of RLC model, i.e., 1 ...
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MT3170B/71B, MT3270B/71B, MT3370B/71B Absolute Maximum Ratings Parameter 1 DC Power Supply Voltage 2 Voltage on any pin (other than supply) 3 Current at any pin (other than supply) 4 Storage temperature 5 Package power dissipation † Exceeding these values may ...
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AC Electrical Characteristics otherwise stated. Characteristics 1 Valid input signal level (each tone of composite signal) 2 Positive twist accept 3 Negative twist accept 4 Frequency deviation accept 5 Frequency deviation reject 6 Third tone tolerance 7 Noise tolerance 8 ...
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MT3170B/71B, MT3270B/71B, MT3370B/71B DTMF INPUT Tone # ESt (MT3x70B REC DStD (MT3x71B) ACK LSB MSB maximum allowable dropout during valid DTMF signals. ...