ꢀ
ꢁ
ꢂ
ꢃ
ꢄ
ꢅ
ꢆ
ꢇ
ꢈ
ꢉ
ꢉ
ꢅ
ꢃ
SLAS356 − DECEMBER 2001
electrical characteristics, V
= 2.7 V, T = 25°C (unless otherwise noted) (continued)
A
DD
transmit filter transfer, companded mode (µ-law or A-law) or linear mode selected, transmit slope filter
selected (MCLK = 2.048 MHz) (see Note 9)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
−27
−8
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
or f
=100 Hz
= 200 Hz
= 250 Hz
= 300 Hz
= 400 Hz
= 500 Hz
= 600 Hz
= 700 Hz
= 800 Hz
= 900 Hz
= 1000 Hz
= 1500 Hz
= 2000 Hz
= 2500 Hz
= 3000 Hz
= 3100 Hz
= 3300 Hz
= 3500 Hz
= 4000 Hz
= 4500 Hz
= 5000 Hz
= 8000 Hz
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC1
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
MIC2
−4
−1.80
−1.50
−1.30
−1.1
−0.8
−0.57
−0.25
0
Gain relative to input signal gain at 1000 Hz, with slope filter selected
1.8
4.0
6.5
7.6
7.7
8.0
6.48
−13
−35
−45
−50
NOTE 9: The pass-band tolerance is 0.25 dB from 300 Hz to 3500 Hz.
transmit idle channel noise and distortion, companded mode (µ-law or A-law) selected, slope filter bypassed
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 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-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
10
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