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Part: TCA3388D
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TCA3388
Advance Information Telephone Line Interface
The TCA3388 is a telephone line interface circuit which performs the basic functions of a telephone set in combination with a microcontroller and a ringer. It includes dc and ac line termination, the hybrid function with 2 adjustable sidetone networks, handset connections and an efficient supply point.
TELEPHONE LINE INTERFACE
SEMICONDUCTOR TECHNICAL DATA
FEATURES
Line Driver and Supply ท DC and AC Termination of the Telephone Line
ท ท ท ท ท ท ท ท ท ท ท ท ท ท ท ท ท
Selectable DC Mask: France, U.K., Low Voltage Current Protection Adjustable Set Impedance for Resistive and Complex Termination Efficient Supply Point for Peripherals Hook Status Detection
20 1
Handset Operation ท Transmit and Receive Amplifiers Double AntiญSidetone Network Line Length AGC Microphone and Earpiece Mute Transmit Amplifier Soft Clipping
DP SUFFIX PLASTIC PACKAGE CASE 738
20 1
Dialing and Ringing ท Interrupter Driver for PulseญDialing Reduced Current Consumption During PulseญDialing DTMF Interfacing Ringing via External Ringer
RXI TXI Mic LAO LAI HYL HYS CM
FP SUFFIX PLASTIC PACKAGE CASE 751D
PIN CONNECTIONS
1 2 3 4 5 6 7 8 9 20 RXO2 19 RXO1 18 Gnd 17 VCC 16 Iref 15 MUT 14 PI 13 HSO 12 DCM 11 SAI (Top View)
Application Areas ท Corded Telephony Cordless Telephony Base Station Answering Machines Fax Intercom Modem
IMP SAO 10
ORDERING INFORMATION
Device TCA3388DP TCA3388FP TA = 0ฐ to +70ฐC Tested Operating Temperature Range Package DIP SOIC
This document contains information on a new product. Specifications and information herein are subject to change without notice.
ฉ Motorola, Inc. 1995
MOTOROLA ANALOG IC DEVICE DATA
1
TCA3388
Simplified Block Diagram
Line + DC and AC Termination
Handset Earpiece
Ear
DC Mask Generation AC Termination 2ญ4 Wire Conversion
Supply Stabilizer
Handset MIcrophone
Mic Microcontroller Interface
Line Driver
Line ญ This device contains 1,911 active transistors.
MAXIMUM RATINGS
Rating Maximum Junction Temperature Storage Temperature Range
NOTE:
Symbol TJ Tstg
Min ญ ญ 65
Max +150 +150
Unit ฐC ฐC
Devices should not be operated at or outside these values. The "Recommended Operating Limits" provide for actual device operation.
RECOMMENDED OPERATING CONDITIONS
Characteristic Operating Temperature Range Symbol TA Min 0 Typ ญ Max +70 Unit ฐC
DC ELECTRICAL CHARACTERISTICS (TA = 25ฐC)
Characteristic VOLTAGE REGULATOR Regulated Supply at Pin 17 ICC = 7.0 mA ICC = 20 mA ICC = 80 mA Current Consumption at Pin 17, Pin PI = High DRIVER DC CHARACTERISTICS Available Current at LAO Source Current Sink Current VCC 3.4 3.45 3.5 ICC ญ 3.7 3.75 3.8 ญ 4.0 4.05 4.1 600 ตA ตA Vdc Symbol Min Typ Max Unit
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I4 45 ญ100 0.7 ญ 70 ญ70 1.0 ญ 100 ญ 45 1.2 Amplifier A8 Driver Slope S8 ตA/mV mV mV LAO Voltage (PI = High, I4 = 100 ตA) Internal Offset (Pins 5 to 10) VLAO 270 140 VO1ญVO2 30 80 SPEECH AMPLIFIERS IMP Voltage (Pin 9, Closed Loop) VIMP ญ ญ ญ ญ ญ 1.6 ญ Vdc Vdc Earpiece Amplifier DC Bias (Rext = 100 k) RXI, Pin 1 RXO1 Pin 19 RXO2, Pin 20 Offset (VRXO1 ญ VRXO2) VRXI VRXO1 VRXO2 VOffset 1.6 1.7 1.45 0.25 ญ ญ ญ 0.70
2
MOTOROLA ANALOG IC DEVICE DATA
TCA3388
DC ELECTRICAL CHARACTERISTICS (continued) (TA = 25ฐC)
Characteristic SPEECH AMPLIFIERS Symbol Min Typ Max Unit
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HYL and HYS DC Bias Voltage Normal Mode PI = High Vdc VHY1 VHY2 VTXI VMic ญ ญ ญ ญ ญ 2.4 1.4 ญ ญ ญ Microphone Amplifier DC Bias at TXI Saturation Voltage at Mic @ 1.0 mA Leakage Current into Mic @ 3.7 V 1.45 250 ญ Vdc mV ตA 300 2.0 ILeak HOOK STATUS OUTPUT (Pin 13) High Level Voltage @ ญ 5.0 ตA Load Current, OffญHook, VSAI = Max Maximum Load Current Normal Mode PABX Mode VHSOH IHSOL IHSOH 2.7 ญ 20 2.9 ญ ญ ญ Vdc ตA 5.0 ญ Low Level Voltage @ + 5.0 ตA Load Current, VSAI = ญ 5.0 mV Normal OnญHook PI = High Time Delay from OnญHook or OffญHook Vdc VHSOL VHSOLPI TDel ญ 2.7 ญ ญ 2.9 3.5 0.60 ญ ญ ms k PULSE INPUT (Pin 14) Input Impedance DC Bias Voltage Input Current Make Phase Break Phase ZPI ญ ญ 160 1.4 ญ ญ ญ ญ VPIL IPIL IPIH ZMI Vdc ตA ญ1.0 ญ10 1.0 10 MUTE INPUT (Pin 15) Input Impedance DC Bias Voltage Input Current Speech Mode Mute Mode ญ ญ 160 1.4 ญ ญ ญ ญ k VMI Vdc ตA IMIL IMIH ญ1.0 ญ10 1.0 10 DC MASK CHARACTERISTICS French Internal Slope Voltage on SAI (I2C = 3.6 ตA) Voltage on SAI (I2D = 4.0 ตA) Delta Offset Voltage on SAI (I2E = 30 ตA) U.K. Internal Slope Voltage on SAI (I2C = 3.5 ตA) Voltage on SAI (I2D = 3.9 ตA) Delta Offset Voltage on SAI (I2E = 30 ตA) Low Voltage Mode Internal Slope Voltage on SAI (I2C = 13 ตA) Voltage on SAI (I2D = 15 ตA) Delta Offset Voltage on SAI (I2E = 20 ตA) RI VC VD VEญVD RI VC VD VEญVD RI VC VD VEญVD 120 0.40 ญ ญ 210 0.59 ญ ญ 100 1.0 ญ ญ 530 280 350 280 160 0.47 0.49 ญ 260 0.70 0.72 20 125 1.2 1.3 ญ 580 ญ ญ ญ 200 ญ 0.57 30 310 ญ 0.83 50 150 ญ 1.55 100 650 385 440 440 mV/ตA Vdc Vdc mV mV/ตA Vdc Vdc mV mV/ตA Vdc Vdc mV mV Overvoltage Protection Threshold (VLAI ญ VSAO) French and U.K. DC Masks Low Voltage DC Mask Protection Voltage Level (VLAI ญ VSAO) French and U.K. DC Masks Low Voltage DC Mask VClamp1 VClamp2 mV
MOTOROLA ANALOG IC DEVICE DATA
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