
TWL1103T Q1
VOICEBAND AUDIO PROCESSOR (VBAP)
SGLS120B APRIL 2002 REVISED APRIL 2008
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, VDD = 2.7 V, TA = 40°C to 105°C (unless otherwise noted) (continued)
transmit filter transfer, linear mode selected, transmit slope filter selected (MCLK = 2.048 MHz) (see Note 9)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fMIC1 or f MIC2 =100 Hz
27
dB
fMIC1 or fMIC2 = 200 Hz
8
dB
fMIC1 or fMIC2 = 250 Hz
4
dB
fMIC1 or fMIC2 = 300 Hz
1.80
dB
fMIC1 or fMIC2 = 400 Hz
1.50
dB
fMIC1 or fMIC2 = 500 Hz
1.30
dB
fMIC1 or fMIC2 = 600 Hz
1.1
dB
fMIC1 or fMIC2 = 700 Hz
0.8
dB
fMIC1 or fMIC2 = 800 Hz
0.57
dB
fMIC1 or fMIC2 = 900 Hz
0.25
dB
Gain relative to input signal gain at 1000 Hz, with slope filter selected
fMIC1 or fMIC2 = 1000 Hz
0
dB
Gain relative to input signal gain at 1000 Hz, with slope filter selected
fMIC1 or fMIC2 = 1500 Hz
1.8
dB
fMIC1 or fMIC2 = 2000 Hz
4.0
dB
fMIC1 or fMIC2 = 2500 Hz
6.5
dB
fMIC1 or fMIC2 = 3000 Hz
7.6
dB
fMIC1 or fMIC2 = 3100 Hz
7.7
dB
fMIC1 or fMIC2 = 3300 Hz
8.0
dB
fMIC1 or fMIC2 = 3500 Hz
6.48
dB
fMIC1 or fMIC2 = 4000 Hz
13
dB
fMIC1 or fMIC2 = 4500 Hz
35
dB
fMIC1 or fMIC2 = 5000 Hz
45
dB
fMIC1 or fMIC2 = 8000 Hz
50
dB
NOTE 9: The pass-band tolerance is
± 0.25 dB from 300 Hz to 3500 Hz.
transmit idle channel noise and distortion, linear mode selected, slope filter bypassed
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Transmit idle channel noise
TXPGA gain = 0 dB, micamp 1 gain = 23.5 dB,
micamp 2 gain = 0.0 dB
86.6
78
dBm0p
MIC1N, MIC1P to PCMO at 3 dBm0
40
50
MIC1N, MIC1P to PCMO at 0 dBm0
50
65
MIC1N, MIC1P to PCMO at 5 dBm0
60
68
Transmit signal-to-total distortion ratio with 1020-Hz
MIC1N, MIC1P to PCMO at 10 dBm0
55
70
dB
Transmit signal-to-total distortion ratio with 1020-Hz
sine-wave input
MIC1N, MIC1P to PCMO at 20 dBm0
58
65
dB
sine-wave input
MIC1N, MIC1P to PCMO at 30 dBm0
50
60
MIC1N, MIC1P to PCMO at 40 dBm0
38
50
MIC1N, MIC1P to PCMO at 45 dBm0
30
45