ETC5054 STMicroelectronics, ETC5054 Datasheet - Page 12

• Manufacturer Part Number: ETC5054
• Description: Serial Interface Codec/filter
• Manufacturer: STMicroelectronics

ETC5054 - ETC5057
TRANSMISSION CHARACTERISTICS (continued)
NOISE (continued)
DISTORTION
CROSSTALK
Notes:
1) Measured by extrapolation from distortion test results.
2) PPSR
ENCODING FORMAT AT D
12/18
Symbol
Symbol
Symbol
V
V
V
CT
STD
STD
SFD
SFD
CT
SOS
IMD
IN
IN
IN
or
X-R
R-X
(at GS
(at GS
(at GS
X
R
X
R
X
, NPSR
Spurius out-of-band Signals at the Channel Output
Loop around measurement, 0dBm0, 300Hz - 3400Hz input applied
to DR, measure individual image signals at DX
4600Hz - 7600Hz
7600Hz - 8400Hz
8400Hz - 100,000Hz
Signal to Total Distortion (sinusoidal test method)
Transmit or Receive Half-channel
Level = 3.0dBm0
Level = 0dBm0 to –30dBm0
Level = –40dBm0
Level = –55dBm0
Single Frequency Distortion, Transmit (T
Single Frequency Distortion, Receive (T
Intermodulation Distortion
Loop Around Measurement, VFXI+ = –4dBm0 to –21dBm0, two
Frequencies in the Range 300Hz - 3400Hz
Transmit to Receive Crosstalk, 0 dBm0 Transmit Level
f = 300Hz to 3400Hz, D
Receive to Transmit Crosstalk, 0 dBm0 Receive Level
f = 300Hz to 3400Hz, (note 2)
X
X
X
) = +Full-scale
) = 0V
) = – Full-scale
X
, CT
R-X
is measured with a –50dBm0 activating signal applied at VF
X
OUTPUT
R
= Steady PCM Mode
1
0
1
0
Parameter
Parameter
A-Law (including even bit inversion)
Parameter
0
1
1
0
1
0
0
1
A
A
= 25 C)
= 25 C)
0
1
1
0
1
0
0
1
0
1
1
0
1
0
0
1
X
R CV
RCV
XMT
XMT
I
+
.
0
1
1
0
1
1
0
0
Min.
Min.
33
36
29
30
14
15
Min.
0
1
1
0
0
1
1
0
Typ.
Typ.
Typ.
– 90
– 90
0
1
1
0
Law
0
1
1
0
Max.
Max.
– 32
– 40
– 32
–46
–46
–41
Max.
– 75
– 70
0
1
1
0
0
1
1
0
Unit
Unit
dBp
Unit
dB
dB
dB
dB
dB
dB
dB
dB
0
1
1
0