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SLAS356 − DECEMBER 2001
electrical characteristics, V
= 2.7 V, T = 25°C (unless otherwise noted) (continued)
A
DD
transmit idle channel noise and distortion, companded mode (µ-law or A-law) selected, slope filter enabled
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Transmit idle channel noise, psophometrically
weighted
TXPGA gain= 0 dB, micamp 1 gain = 23.5 dB,
micamp 2 gain = 0.0 dB
−86.6
−78 dBm0
p
MIC1N, MIC1P to PCMO at 3 dBm0
MIC1N, MIC1P to PCMO at 0 dBm0
MIC1N, MIC1P to PCMO at −5 dBm0
MIC1N, MIC1P to PCMO at −10 dBm0
MIC1N, MIC1P to PCMO at −20 dBm0
MIC1N, MIC1P to PCMO at −30 dBm0
MIC1N, MIC1P to PCMO at −40 dBm0
MIC1N, MIC1P to PCMO at −45 dBm0
CCITT G.712 (7.1), R2
27
30
33
36
35
26
24
19
49
51
Transmit signal-to-total distortion ratio with 1020-Hz
sine-wave input
dB
dB
Intermodulation distortion, 2-tone CCITT method,
composite power level, −13 dBm0
CCITT G.712 (7.2), R2
transmit idle channel noise and distortion, linear mode selected, slope filter bypassed
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TXPGA gain = 0 dB, micamp 1 gain = 23.5 dB,
micamp 2 gain = 0 dB
Transmit idle channel noise
−86.6
−78 dBm0
p
MIC1N, MIC1P to PCMO at 3 dBm0
MIC1N, MIC1P to PCMO at 0 dBm0
MIC1N, MIC1P to PCMO at −5 dBm0
MIC1N, MIC1P to PCMO at −10 dBm0
MIC1N, MIC1P to PCMO at −20 dBm0
MIC1N, MIC1P to PCMO at −30 dBm0
MIC1N, MIC1P to PCMO at −40 dBm0
MIC1N, MIC1P to PCMO at −45 dBm0
40
50
60
55
58
50
38
30
50
65
68
70
65
60
50
45
Transmit signal-to-total distortion ratio with 1020-Hz
sine-wave input
dB
transmit idle channel noise and distortion, linear mode selected, slope filter enabled
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TXPGA gain = 0 dB, micamp 1 gain = 23.5 dB,
micamp 2 gain = 0 dB
Transmit idle channel noise
−86.6
−78 dBm0
p
MIC1N, MIC1P to PCMO at 3 dBm0
MIC1N, MIC1P to PCMO at 0 dBm0
MIC1N, MIC1P to PCMO at −5 dBm0
MIC1N, MIC1P to PCMO at −10 dBm0
MIC1N, MIC1P to PCMO at −20 dBm0
MIC1N, MIC1P to PCMO at −30 dBm0
MIC1N, MIC1P to PCMO at −40 dBm0
MIC1N, MIC1P to PCMO at −45 dBm0
40
50
60
55
58
50
38
30
50
65
68
70
65
60
50
45
Transmit signal-to-total distortion ratio with 1020-Hz
sine-wave input
dB
11
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