Transmission Characteristics
(Continued) Unless otherwise noted limits printed in
BOLD
characters are
guaranteed for V
CC
e
5 0V
g
5% V
BB
e b
5 0V
g
5% T
A
e
0 C to 70 C by correlation with 100% electrical testing at T
A
e
25 C All other limits are assured by correlation with other production tests and or product design and characterization GNDA
e
0V f
e
1 02 kHz V
IN
e
0 dBm0 transmit input amplifier connected for unity gain non-inverting Typicals specified at V
CC
e
5 0V V
BB
e b
5 0V T
A
e
25 C
Symbol
SOS
Parameter
Spurious Out-of-Band Signals
at the Channel Output
Conditions
Loop Around Measurement 0 dBm0
300 Hz to 3400 Hz Input PCM Code Applied
at D
R
4600 Hz– 7600 Hz
7600 Hz– 8400 Hz
8400 Hz– 100 000 Hz
Min
Typ
Max
b
30
Units
dB
b
30
b
40
b
30
dB
dB
dB
DISTORTION
STD
X
STD
R
Signal to Total Distortion
Transmit or Receive
Half-Channel
Sinusoidal Test Method (Note 3)
Level
e
3 0 dBm0
e
0 dBm0 to
b
30 dBm0
eb
40 dBm0
XMT
RCV
eb
55 dBm0
XMT
RCV
33
36
29
30
14
15
b
46
b
46
dBC
dBC
dBC
dBC
dBC
dBC
dB
dB
dB
SFD
X
SFD
R
IMD
Single Frequency Distortion
Transmit
Single Frequency Distortion
Receive
Intermodulation Distortion
Loop Around Measurement
VF
X
a
eb
4 dBm0 to
b
21 dBm0 Two
Frequencies in the Range
300 Hz– 3400 Hz
b
41
CROSSTALK
CT
X-R
CT
R-X
Transmit to Receive Crosstalk
0 dBm0 Transmit Level
Receive to Transmit Crosstalk
0 dBm0 Receive Level
f
e
300 Hz– 3400 Hz
D
R
e
Quiet PCM Code
f
e
300 Hz– 3400 Hz VF
X
I
e
Multitone
(Note 2)
ENCODING FORMAT AT D
X
OUTPUT
TP3054
m-Law
V
IN
(at GS
X
)
e a
Full-Scale
V
IN
(at GS
X
)
e
0V
V
IN
(at GS
X
)
eb
Full-Scale
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
1
0
0
TP3057
A-Law
(Includes Even Bit Inversion)
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
b
90
b
90
b
75
b
70
dB
dB
Note 1
Measured by extrapolation from the distortion test result at
b
50 dBm0
Note 2
PPSR
X
NPSR
X
and CT
R-X
are measured with a
b
50 dBm0 activation signal applied to VF
X
I
a
Note 3
Devices are measured using C message weighted filter for
m-Law
and psophometric weighted filter for A-Law
11
NSC [ NATIONAL SEMICONDUCTOR ]
