MC33215B

speakerphone circuit, SDIP, -0.5 to 12 V, Highly Integrated Cost Effective Solution

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Price:: US $3.15~3.50 / piece [Get Latest Price]

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	US $3.15~3.50

PartNumber:: MC33215B

Brand:: Freescale Semiconductor, Inc - Freescale | Pack: SDIP | D/C: 05+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2011-07-22

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Part Number:MC33215B
US $3.15 - 3.50
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Product Summary

The MC33215B is a telephone line interface and speakerphone circuit. It is developed for use in fully electronic telephone sets with speakerphone functions. The circuit performs the ac and dc line termination, 2–4 wire conversion, line length AGC and DTMF transmission. The speakerphone part of MC33215B includes a half duplex controller with signal and noise monitoring, base microphone and loudspeaker amplifiers and an efficient supply. The MC33215B is designed to operate at low line currents down to 4.0 mA enabling parallel operation with a classical telephone set.

Parametrics

MC33215B absolute maximum ratings: (1)Peak Voltage at VLN: -0.5 to 12 V; (2)Maximum Loop Current: 160 mA; (3)Voltage at VLS (if Powered Separately): -0.5 to 12 V; (4)Voltage at VHF (if Externally Applied): -0.5 to 5.5 V; (5)Voltage at SPS, MUT, PRS, LSM: -0.5 to 7.5 V; (6)Maximum Junction Temperature: 150 ℃; (7)Storage Temperature Range: -65 to 150 ℃.

Features

MC33215B features: (1)Highly Integrated Cost Effective Solution; (2)Straightforward AC and DC Parameter Adjustments; (3)Efficient Supply for Loudspeaker Amplifier and Peripherals; (4)Stabilized Supply Point for Handset Microphone; (5)Stabilized Supply Point for Base Microphone; (6)Loudspeaker Amplifier can be Powered and Used Separately; (7)Smooth Switch-over from Handset to Speakerphone Operation; (8)Adjustable Switching Depth for Handsfree Operation.