MC34216A Datasheet, PDF (2/20 Pages) Motorola, Inc – PROGRAMMABLE TELEPHONE LINE INTERFACE CIRCUIT WITH LOUDSPEAKER AMPLIFIER

MC34216A
FEATURES
Line Driver and Supply
• DC and AC Termination of the Line
• Programmable DC Mask: France, U.K., Startup, Low Voltage (MC34216ADW)
• Programmable DC Mask: France, U.K., Startup (MC34216ADWF)
• Current Protection
• Adjustable Set Impedance for Resistive and Complex Termination
• Efficient Supply Point for Loudspeaker Amplifier and Peripherals
Handset Operation
• Transmit and Receive Amplifiers
• Adjustable Sidetone Network
• Line Length AGC
• Microphone and Earpiece Mute
• Earpiece Gain Increase Switch
• Microphone Squelch Function
• Transmit Amplifier Soft Clipping
Dialing and Ringing
• Generates DTMF, Pilot Tones and Ring Signal
• Interrupter Driver for Pulse–Dialing
• Low Current While Pulse–Dialing
• Optimized for Ringing via Loudspeaker
• Programmable Ring Melodies
• Uses Inexpensive 500 kHz Resonator
Loudspeaking Facility
• Integrated Loudspeaker Amplifier
• Peak–to–Peak Limiter Prevents Distortion
• Programmable Volume
• Anti–Howling Circuitry for Group Listening–In
• Interfacing for Handsfree Conversation
Application Areas
• Corded Telephony with Group Listening–In
• Cordless Telephony Base Station with Group Listening–In
• Telephones with Answering Machines
• Fax, Intercom, Modem
MAXIMUM RATINGS
Rating
Symbol
Min
Max
Unit
Maximum Junction Temperature
Storage Temperature Range
TJ
–
+150
°C
Tstg
– 65
+150
°C
NOTES: 1. Devices should not be operated at or outside these values. The “Recommended
Operating Limits” provide for actual device operation.
2. ESD data available upon request.
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MOTOROLA ANALOG IC DEVICE DATA