TCA3388DP Motorola, TCA3388DP Datasheet
TCA3388DP
Related parts for TCA3388DP
TCA3388DP Summary of contents
Page 1
... Mic Gnd 17 4 LAO ref LAI 15 6 MUT HYL HYS HSO DCM IMP 10 11 SAO SAI (Top View) ORDERING INFORMATION Tested Operating Device Temperature Range Package TCA3388DP DIP +70 C SOIC TCA3388FP Motorola, Inc. 1995 1 ...
Page 2
... C T stg – 65 +150 C Symbol Min Typ – Symbol LAO VO1–VO2 V IMP V RXI V RXO1 V RXO2 V Offset MOTOROLA ANALOG IC DEVICE DATA Line + Line – Max Unit +70 C Min Typ Max Unit Vdc 3.4 3.7 4.0 3.45 3.75 4.05 3.5 3.8 4.1 – – 600 ...
Page 3
... Delta Offset Voltage on SAI (I2E = 20 A) Overvoltage Protection Threshold (V LAI – V SAO ) French and U.K. DC Masks Low Voltage DC Mask Protection Voltage Level (V LAI – V SAO ) French and U.K. DC Masks Low Voltage DC Mask MOTOROLA ANALOG IC DEVICE DATA TCA3388 ( Symbol Min V HY1 – ...
Page 4
... PABX K PABX K PABX K PABX G PABX PABX G PABX PABX G PABX PABX THDT 700 mV THDR 1250 mV MOTOROLA ANALOG IC DEVICE DATA Min Typ Max Unit dB 11.25 12.5 13.75 5.5 6.5 7.5 10.5 12.5 14.5 dB 11.25 12.5 13.75 4.5 6.0 7.5 10.5 12.5 14.5 60 – – ...
Page 5
... SAI 12 DCM 13 HSO MUT 16 I ref Gnd 19 RXO1 20 RXO2 MOTOROLA ANALOG IC DEVICE DATA TCA3388 ( Symbol THDT 700 mV THDR 1250 mV Typical Value @ 25 C 3.7 400 A 1.0 A/ French = 0.47 Vdc U.K. = 0.70 Vdc V D French = 0.49 Vdc U.K. = 0.72 Vdc 125 mV/ A 12 ...
Page 6
... Protection Micro–Interface Hook–Detect PABX SAI DCM HSO PI MUT R22 DCM To/From Microcontroller Micro Gnd DTMF R12 LAI IMP I ref Supply– Stabilizer References Gnd C7 18 LAO Line T3 Driver 4 MOTOROLA ANALOG IC DEVICE DATA ...
Page 7
... Figure 5. DC Part of the Block Diagram of the TCA3388 Line + C16 HYL HYS CM Line – MOTOROLA ANALOG IC DEVICE DATA TCA3388 Figure 4. Selection of the Country Mask via Pin DCM DCM 0.5 DCM 3 L.V. The capacitor in the U.K. network is to ensure a stable ...
Page 8
... Z in formula, Z21 will not be a direct copy of the required impedance but a derivative of it. Figure 7 gives this derived network to be used for Z21 TCA3388 LAI LAO T3 C7 Gnd SAO V02 VO1 SAI Z21 Z21 MOTOROLA ANALOG IC DEVICE DATA ...
Page 9
... I LAI and Z0 is replaced by one voltage source. Figure 8. Replacement Diagram for the Transmit Amplifier Line –I LAI *Z0 MOTOROLA ANALOG IC DEVICE DATA TCA3388 The microphone signal current is derived from the microphone signal according to the schematic in Figure Figure 9. Microphone Amplifier Input Stage LAI R ...
Page 10
... This is expressed in the –1X RXO2 C ear C R Load Load Handset Earpiece + – Load Line + + R20 R20 R19 m (m – – MOTOROLA ANALOG IC DEVICE DATA ...
Page 11
... Lstart For low line currents, and thus long lines, the gains are nominal. When the line current has increased above I Lstart MOTOROLA ANALOG IC DEVICE DATA TCA3388 with a current I Lrange , the gain is reduced by 6.0 dB. Due to the general characteristics of the line AGC curve, the gain will be decreased further for higher currents ...
Page 12
... TCA3388 MOTOROLA ANALOG IC DEVICE DATA ...
Page 13
... C10 Z0 – C11 Z1 220 p C12 Z2 – C13 Z21 C14 Sidetone Bal C15 Sidetone Bal – C16 Pin 8 680 n C17 Sidetone Bal MOTOROLA ANALOG IC DEVICE DATA TCA3388 Application France U. 1.0 k 150 k 2.2 k 470 121 k 1.0% 560 k 330 k 680 k 620 k 1.2 m 1.8 m ...
Page 14
... TCA3388 Application France U.K. 470 n – 100 n Stability 100 n Stability – 100 n Close to Pin – Mic , 10 V 4.7 n EMC 1.0 n EMC MPSA92 PNP–HV MJE350 PNP–HV MPSA42 NPN– 1N4004 HV 1N4004 Signal MKP1V270 Sidac MOTOROLA ANALOG IC DEVICE DATA Remarks Remarks ...
Page 15
... 0.25 (0.010) –A– –B– 20X 0.010 (0.25 18X K MOTOROLA ANALOG IC DEVICE DATA TCA3388 OUTLINE DIMENSIONS DP SUFFIX PLASTIC PACKAGE CASE 738-03 ISSUE 0.25 (0.010 SUFFIX PLASTIC PACKAGE CASE 751D– ...
Page 16
... 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 products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different applications. All operating parameters, including “ ...