STLC5048
ELECTRICAL CHARACTERISTICS (continued)
RECEIVE TRANSFER CHARACTERISTICS
(all tests are performed in absolute gain condition (RXG = GRXn = 0dB) unless otherwise specified).
Symbol
Parameter
Test Condition
Min. Typ. Max.
Absolute levels at 0 dBm0 are:
547
RXG = 0dB, GRXn = 0dB
GRA Transmit gain Absolute accuracy
-0.15
0.15
GRAG
Receive Gain Variation with
programmed gain (within 3 dB from max
dig. level)
-0.2
0.2
GFR
Gain variation with frequency (relative to
gain at 1004Hz); 0dBm0 input signal
Below 200Hz
200Hz
300-3000Hz
3400Hz
4000Hz
-0.25
-0.15
-0.7
0.115
0.15
0.15
0
-14
GART Gain variation with temperature
0 to 70 °C
-0.10
0.10
GARE
Gain variation with
Vcc=Vdd= 3.3V +/- 5%
0dBm0 Input Signal
-0.05
0.05
GTR Gain Tracking with Tone (1004Hz Mu
Law, 820Hz ALaw)
DR = 3 to -40dBm0
-0.2
0.2
DR = -40 to -50dBm0
-0.4
0.4
DR = -50 to -55dBm0
-1.2
1.2
QDR Quantization Distortion with Tone
(1004Hz Mu Law, 820Hz ALaw)
DR = 3 dBm0
33
DR = 0 to -30dBm0
36
DR = -40 dBm0
30
DR = -50 to -55dBm0
15
NCR Receive Noise C Message Weighted
(Mu Law)
8
11
NPR Receive Noise Psophometric Weighted
-79
(A Law)
DAR Absolute Delay (2)
B = Z = 0, X = R = 1
325
450
DPR1 Single Frequency Distortion
(0dBm0 Sinewave @ 1004Hz)
-46
GSPR Out of band spourious Noise
0dBm0 DTMF tone at DR
-60
0dBm0 180 to 3600Hz
-43
Sinewave at DR
OBN Out of Band Noise (1)
Integral measure
from 3.4 to 128kHz
GTX = GRX = 0dB
-48
GTX = 0dB; GRX = -7dB
-51
Spectral measure
-70
from 3.4 to 200kHz
in B/W = 30Hz
(1) Values related to the application including the external filter on RX. The maesure is referred to the signal replicas.
(2) As note 3 at page 36
Unit
mVrms
dB
dB
dB
dB
dB
dB
dB
dBrnCo
dBm0p
µs
dB
dB
dB
dBm
dBm
dBm
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