TCA3388 Datasheet, PDF (5/16 Pages) Motorola, Inc – TELEPHONE LINE INTERFACE

TCA3388
AC ELECTRICAL CHARACTERISTICS (continued) (TA = 25°C)
Characteristic
Symbol
Min
Typ
Max
Unit
ÁÁÁÁ^D_L^IS_oTwÁÁ^T_r^O_aVn^R_osÁÁ^T_ltma^IO_gite^NÁÁ_{(I2 =}ÁÁ_{10 µ}ÁÁ_A) ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ_THÁÁ_DTÁÁÁÁÁÁ_– ÁÁÁÁÁÁ_– ÁÁÁÁÁÁ_3.0ÁÁÁÁÁÁ_% ÁÁ
Receive (I2 = 6.0 µA)
VE = 700 mV
THDR
–
–
3.0
VE = 1250 mV
–
–
5.0
NOTE: VE is the differential earpiece voltage across Pins 19 and 20.
TYPICAL TEMPERATURE PERFORMANCE
Characteristic
Typical Value @ 25°C
Typical Change – 20 to + 60°C
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{VCC Regulated Supply @ Pin 17}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Current Consumption at Pin 17, Pin PI = High}
3.7
400 µA
– 0.8 mV/°C
– 0.55 µA/°C
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Amplifier A8 Driver Slope}
1.0 µA/mV
– 0.0035 µA/mV/°C
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ ^{Voltage on SAI}
VC
French = 0.47 Vdc
U.K. = 0.70 Vdc
VD
French = 0.49 Vdc
U.K. = 0.72 Vdc
0.35 mV/°C
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Internal Slope for Low Voltage Mode}
125 mV/µA
0.07 mV/µA/°C
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Transmit Gain Kµ0}
12.5 dB
0.01 dB/°C
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Line Length Regulation ∆Kµ}
French
U.K.
L.V.
6.5 dB
6.5 dB
6.0 dB
< 0.3 dB Variation
< 0.3 dB Variation
– 0.05 dB/°C
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Internal Transconductance Ge0}
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ _{Line Length Regulation ∆Ge}
French
U.K.
L.V.
180 µA/V
3.7 dB
3.5 dB
5.7 dB
< 1.0 dB Variation
< 0.5 dB Variation
< 0.5 dB Variation
– 0.04 dB/°C
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ NOTE: Temperature data is typical performance only, based on sample characterization, and does not provide guaranteed limits over temperature.
PIN FUNCTION DESCRIPTION
Pin
Symbol
Description
1
RXI
Earphone Amplifier Input
2
TXI
Microphone Amplifier Input
3
Mic
Microphone Bias Current Sink
4
LAO
Line Driver Amplifier Output
5
LAI
Line Driver Amplifier Input
6
HYL
Hybrid Network Input for Long Lines
7
HYS
Hybrid Network Input for Short Lines
8
CM
DC Mask Signal Filtering
9
IMP
Reference Voltage
10
SAO
Line Current Sense Amplifier Output
11
SAI
Line Current Sense Amplifier Input
12
DCM
DC Mask Select
13
HSO
Hook Status Output, PABX Mode Select
14
PI
Pulse Input
15
MUT
Mute Input
16
Iref
Reference Current
17
VCC
Supply Voltage
18
Gnd
Ground
19
RXO1
Earphone Amplifier Output
20
RXO2
Earphone Amplifier Inverted Output
MOTOROLA ANALOG IC DEVICE DATA
5