ꢀ ꢁꢂꢃ ꢄ ꢅ ꢆꢇ ꢈꢉꢉꢅ ꢃ
SLAS356 − DECEMBER 2001
electrical characteristics, V
= 2.7 V, T = 25°C (unless otherwise noted) (continued)
A
DD
receive idle channel noise and distortion, EAR1 selected, companded mode (µ-law or A-law) selected (see
Note 12)
PARAMETER
Receive noise, psophometrically weighted
Receive noise, C-message weighted
TEST CONDITIONS
MIN
TYP
−89
36
MAX
UNIT
PCMIN = 11010101 (Α−law)
−86 dBm0
p
PCMIN = 11111111 (µ−law)
50 µV
rms
PCMIN to EAR1ON, EAR1OP at 3 dBm0
PCMIN to EAR1ON, EAR1OP at 0 dBm0
PCMIN to EAR1ON, EAR1OP at −5 dBm0
PCMIN to EAR1ON, EAR1OP at −10 dBm0
PCMIN to EAR1ON, EAR1OP at −20 dBm0
PCMIN to EAR1ON, EAR1OP at −30 dBm0
PCMIN to EAR1ON, EAR1OP at −40 dBm0
PCMIN to EAR1ON, EAR1OP at −45 dBm0
21
25
36
43
40
38
28
23
Receive signal-to-distortion ratio with 1020-Hz
sine-wave input
dB
NOTE 12: RXPGA = -1 dB for 32-Ω default mode or RXPGA = -2 dB for 16 Ω, RXVOL = 0 dB, 1020 Hz input signal at PCMI, output measured
differentially between EAR1ON and EAR1OP.
receive idle channel noise and distortion, EAR1 selected, linear mode selected (see Note 12)
PARAMETER
TEST CONDITIONS
PCMIN = 0000000000000
MIN
TYP
−86
78
MAX
UNIT
Receive noise, (20-Hz to 20-kHz brickwall window)
−83 dBm0
PCMIN to EAR1ON, EAR1OP at 3 dBm0
PCMIN to EAR1ON, EAR1OP at 0 dBm0
PCMIN to EAR1ON, EAR1OP at −5 dBm0
PCMIN to EAR1ON, EAR1OP at −10 dBm0
PCMIN to EAR1ON, EAR1OP at −20 dBm0
PCMIN to EAR1ON, EAR1OP at −30 dBm0
PCMIN to EAR1ON, EAR1OP at −40 dBm0
PCMIN to EAR1ON, EAR1OP at −45 dBm0
CCITT G.712 (7.1), R2
65
73
72
70
60
50
40
35
50
54
80
78
78
Receive signal-to-distortion ratio with 1020-Hz
sine-wave input
dB
76
67
60
55
Intermodulation distortion, 2-tone CCITT method,
composite power level, −13 dBm0
dB
CCITT G.712 (7.2), R2
NOTE 12: RXPGA = -1 dB for 32-Ω default mode or RXPGA = -2 dB for 16 Ω, RXVOL = 0 dB, 1020 Hz input signal at PCMI, output measured
differentially between EAR1ON and EAR1OP.
receive idle channel noise and distortion, EAR2 selected, companded mode (µ-law or A-law) selected (see
Note 111)
PARAMETER
Receive noise, psophometrically weighted
Receive noise, C-message weighted
TEST CONDITIONS
PCMIN = 11010101 (Α-law)
MIN
TYP
−81
36
MAX
UNIT
−78 dBm0
p
PCMIN = 11111111 (µ-law)
50 µV
rms
PCMIN to EAR2O at 3 dBm0
PCMIN to EAR2O at 0 dBm0
PCMIN to EAR2O at −5 dBm0
PCMIN to EAR2O at −10 dBm0
PCMIN to EAR2O at −20 dBm0
PCMIN to EAR2O at −30 dBm0
PCMIN to EAR2O at −40 dBm0
PCMIN to EAR2O at −45 dBm0
21
25
36
43
40
38
28
23
Receive signal-to-distortion ratio with 1020-Hz
sine-wave input
dB
NOTE 11: RXPGA = -1 dB, RXVOL = 0 dB
13
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