參數(shù)資料
型號(hào)： TWL1110PBS
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PQFP32
封裝： PLASTIC, QFP-32
文件頁(yè)數(shù)： 5/40頁(yè)
文件大?。?/td> 564K
代理商： TWL1110PBS
TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless
otherwise noted) (continued)
transmit idle channel noise and distortion, companded mode (
-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, MIC Amp 1 gain = 23.5 dB,
MIC Amp 2 gain = 6 dB
– 83.5
–78
dBm0p
MIC1N, MIC1P to PCMO at 3 dBm0
27
MIC1N, MIC1P to PCMO at 0 dBm0
30
MIC1N, MIC1P to PCMO at – 5 dBm0
33
Transmit signal-to-total distortion ratio with 1020-Hz
MIC1N, MIC1P to PCMO at –10 dBm0
36
dBm0
Transmit signal to total distortion ratio with 1020 Hz
sine-wave input
MIC1N, MIC1P to PCMO at –20 dBm0
35
dBm0
MIC1N, MIC1P to PCMO at – 30 dBm0
26
MIC1N, MIC1P to PCMO at – 40 dBm0
24
MIC1N, MIC1P to PCMO at – 45 dBm0
19
Intermodulation distortion, 2-tone CCITT method,
CCITT G.712 (7.1), R2
49
dB
Intermodulation distortion, 2 tone CCITT method,
composite power level, –13 dBm0
CCITT G.712 (7.2), R2
51
dB
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, MIC Amp 1 gain = 23.5 dB,
MIC Amp 2 gain = 6 dB
– 83.5
–78
dBm0p
MIC1N, MIC1P to PCMO at 3 dBm0
50
MIC1N, MIC1P to PCMO at 0 dBm0
50
65
MIC1N, MIC1P to PCMO at – 5 dBm0
52
61
Transmit signal-to-total distortion ratio with 1020-Hz
MIC1N, MIC1P to PCMO at –10 dBm0
56
65
dB
Transmit signal to total distortion ratio with 1020 Hz
sine-wave input
MIC1N, MIC1P to PCMO at –20 dBm0
50
59
dB
MIC1N, MIC1P to PCMO at – 30 dBm0
51
63
MIC1N, MIC1P to PCMO at – 40 dBm0
43
55
MIC1N, MIC1P to PCMO at – 45 dBm0
38
52
transmit idle channel noise and distortion, linear mode selected, slope filter enabled
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Transmit idle channel noise
TXPGA gain = 0 dB, MIC Amp 1 gain = 23.5 dB,
MIC Amp 2 gain = 6 dB
– 83.5
–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
50
68
Transmit signal-to-total distortion ratio with 1020-Hz
MIC1N, MIC1P to PCMO at –10 dBm0
64
70
dB
Transmit signal to total distortion ratio with 1020 Hz
sine-wave input
MIC1N, MIC1P to PCMO at –20 dBm0
58
65
dB
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
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