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MC34216ADW

Programmable Telephone Line Interface Circuit with Loudspeaker Amplifier

Motorola => Freescale 

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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2

MOTOROLA ANALOG IC DEVICE DATA

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