TCA3388 Datasheet, PDF (2/16 Pages) Motorola, Inc – TELEPHONE LINE INTERFACE

Handset
Earpiece
TCA3388
Simplified Block Diagram
DC and AC
Termination
DC Mask Generation
Ear
AC Termination
2–4 Wire Conversion
Supply
Stabilizer
Line +
Handset
MIcrophone
Mic
Microcontroller
Interface
Line Driver
This device contains 1,911 active transistors.
MAXIMUM RATINGS
Rating
Symbol
Min
Max
Unit
Maximum Junction Temperature
Storage Temperature Range
TJ
–
+150
°C
Tstg
– 65
+150
°C
NOTE: Devices should not be operated at or outside these values. The “Recommended Operating
Limits” provide for actual device operation.
Line –
RECOMMENDED OPERATING CONDITIONS
Characteristic
Operating Temperature Range
Symbol
TA
Min
Typ
Max
Unit
0
–
+70
°C
DC ELECTRICAL CHARACTERISTICS (TA = 25°C)
Characteristic
Symbol
Min
Typ
Max
Unit
VOLTAGE REGULATOR
Regulated Supply at Pin 17
VCC
Vdc
ICC = 7.0 mA
3.4
3.7
4.0
ICC = 20 mA
3.45
3.75
4.05
ICC = 80 mA
3.5
3.8
4.1
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Current Consumption at Pin 17, Pin PI = High
DRIVER DC CHARACTERISTICS
Available Current at LAO
ICC
–
–
600
µA
I4
µA
Source Current
45
70
100
Sink Current
Amplifier A8 Driver Slope
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ LAO Voltage (PI = High, I4 = 100 µA)
Internal Offset (Pins 5 to 10)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ SPEECH AMPLIFIERS
IMP Voltage (Pin 9, Closed Loop)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ Earpiece Amplifier DC Bias (Rext = 100 kΩ)
RXI, Pin 1
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{RXO1 Pin 19}
–100
–70
– 45
S8
0.7
1.0
1.2
µA/mV
VLAO
–
VO1–VO2
30
–
270
mV
80
140
mV
VIMP
–
1.6
–
Vdc
Vdc
VRXI
–
1.6
–
VRXO1
–
1.7
–
RXO2, Pin 20
VRXO2
–
1.45
–
Offset (VRXO1 – VRXO2)
VOffset
–
0.25
0.70
2
MOTOROLA ANALOG IC DEVICE DATA