mc34216adwf Freescale Semiconductor, Inc, mc34216adwf Datasheet
mc34216adwf
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mc34216adwf Summary of contents
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... In combination with the TCA3385, the ringing is performed via the loudspeaker. Programmable DC Mask, for France, U.K., and Voltage Regulated Countries DC Mask for France and U.K. (MC34216ADWF) Programmable Volume for Listening–In and Ringing Small Amount of External Components On–Chip DTMF and Ring Signal Generator ...
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... 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 ...
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DC ELECTRICAL CHARACTERISTICS Characteristic VOLTAGE REGULATOR Regulated Supply at Pin 21 Startup Mode 100 mA France and U. Low Voltage Mode (MC34216ADW ...
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DC ELECTRICAL CHARACTERISTICS Characteristic DC MASK CHARACTERISTICS Startup Mode Internal Slope Voltage on SAI (I2C = 5.9 A) Voltage on SAI (I2D = 7.1 A) Delta Offset Voltage on SAI (I2E = 38 A) French Internal Slope Voltage on SAI ...
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AC ELECTRICAL CHARACTERISTICS Characteristic TRANSMIT PABX MODE French and U.K. Transmit Gain (I2 = 2.0 A) Variation with Line Length ( Low Voltage Mode (MC34216ADW Only) Transmit Gain (I2 = 2.0 A) Variation with Line Length (I2 ...
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OTHER ELECTRICAL CHARACTERISTICS Characteristic RINGING MODE REGULATION Regulated mA) Current Consumption @ 3 Ringing Regulator Slope Peak Current @ 4.2 ...
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DTMF FREQUENCIES Characteristic Low Group Frequencies High Group Frequencies NOTE: Minimum values based on f osc = 495 kHz. Maximum values based on f osc = 505 kHz. TEMPERATURE SPECIFICATIONS ( Characteristic DTMF Distortion Level on ...
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Pin Symbol Gnd 23 LPO 24 LPI 25 RXI 26 RXO1 27 RXO2 28 AGC Concept With the MC34216A, a microcontroller and a switched mode power supply, a telephone set with listening–in function and ringing via ...
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Figure 2. Block Diagram of the MC34216A with Essential Components Line + C17 To IMP C20 RXO1 26 Ear RXO2 R6 27 RXI Mute, AGC Handset Earpiece TXI Mute, AGC 6 Mic Mic Handset C24 Volume 7 ...
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Figure 4. DC Part of the Block Diagram of the MC34216A Line + C16 IMP HYN NDC C12 Line – The transfer from Region occurs at the point VLK, ILK, which is ...
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Impedance In Figure 5, the block diagram of the MC34216A performing the ac impedance is depicted. As can be seen partly in common with the dc mask block diagram. The part generating the dc mask is replaced by ...
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C17 R20 Z1 Line + HYN + SAI Line – R1 The noise which is transmitted to the line can be reduced when the microphone threshold feature is enabled. This is also ...
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Figure 10. General Line AGC Characteristics Gain + Nominal Gain Gain ) 1 Nominal Gain Reduced Gain IL IL start range For small line currents, and thus long lines, the gains are nominal. When the line current has increased above ...
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The microphone threshold reduces the gain in the acoustic feedback loop by 7.0 dB. When there is no, or only a small microphone signal, the gain in the transmit path is reduced by 7.0 dB with respect to nominal. The ...
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Programming Possibilities The MC34216A can be programmed by a microcontroller via a 2 wire bus. In this way possible to program the dc mask, DTMF tones, listening–in mode, loudspeaker volume, etc. The bus interface of the microcontroller with ...
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Address Data ...
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MF3 MF3 MF3 MF2 MF2 MF2 MF1 MF1 MF1 ...
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The MC34216A incorporates a DTMF generator with integrated filters. The DTMF pairs can be selected by the microcontroller via the MF bits. In this way, the whole DTMF range for a 4x4 keyboard is available which fulfills the CCITT requirements. ...
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MOTOROLA ANALOG IC DEVICE DATA MC34216A 19 ...
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D 28X 0.010 (0.25 -T- G 26X Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding the suitability of its ...