STLC5046 Transmission characteristics
Doc ID 7052 Rev 5 47/51
DDX
(1)
Differential envelope delay (1
to 2.56 kHz input sinewave @
0dBm0)
500Hz
604Hz
1000Hz
1792Hz
2604Hz
2792Hz
170
110
25
0
70
95
µs
DAX
(1)
Absolute delay @ 1 kHz 500 to
2800Hz
420 µs
DPXM
Single frequency distortion
(µ Law 0 dBm0 sinewave @
1004 Hz)
-46 dB
DPXA
Single frequency distortion
(A Law 0 dBm0 sinewave @
820 Hz)
-46 dB
Receive transfer characteristics
Absolute levels
The nominal 0 dBm) levels are
VFRO:
RGX = 0 dB, GRXn = 0 db (FF)
547 mVrms
GRA
Transmit gain absolute accuracy
(within 3 dB from max. dig. level)
Referred to 0 dB level -0.15 0.15 dB
GRAG
Receive gain variation with
programmed gain
-0.18 +0.18 dB
GFR
Gain variation with frequency
(relative to gain at 1004 Hz);
0dBm0 input signal.
Below 200 Hz
200 Hz
300-3000 Hz
3400 Hz
4000 Hz
-0.25
-0.15
-0.7
0.15
0.15
0.15
0
-14
dB
GART Gain variation with temperature -0.1 +0.1 dB
GARE Gain variation with supplies
0 dBm0 input signal
V
CC
= V
DD
= 3.3 V ±5%
-0.05 0.05 dB
GTR
Gain Tracking with tone
(1004 Hz µ Law, 820 Hz A Law)
DR = 3 to -40 dBm0
DR = -40 to -50 dBm0
DR = -50 to -55 dBm0
-0.2
-0.4
-1.2
0.2
0.4
1.2
dB
QDR
Quantization distortion with tone
(1004 Hz µ Law, 820 Hz A Law)
DR = 3 dBm0
DR = 0 to -30 dBm0
DR = -40 dBm0
DR = -45 dBm0
DR = -50 to -55 dBm0
33
36
30
25
15
dB
Table 7. Transmission characteristics (continued)
Symbol Parameter Test Condition Min. Typ. Max. Unit
