參數(shù)資料
型號(hào)： TWL1110PBSR
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
文件頁數(shù)： 4/40頁
文件大?。?/td> 564K
代理商： TWL1110PBSR
TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless
otherwise noted) (continued)
–30
–25
–20
–15
–10
–5
0
5
100
1000
Relative
Gain
–
dB
–100
–80
–60
–40
–20
0
20
100
1000
10000
Relative
Gain
–
dB
RELATIVE GAIN
vs
FREQUENCY
RELATIVE GAIN
vs
FREQUENCY
f – Frequency – Hz
Both Filters
Disabled
High Pass
Filter and
Slope Filter
Selected
High Pass
Filter Selected
and Slope Filter
Disabled
Both Filters
Disabled
High Pass
Filter Selected
and Slope Filter
Disabled
High Pass
Filter and
Slope Filter
Selected
Figure 1. Transmit Gain Response With Respect to Gain of 1 kHz Tone
transmit idle channel noise and distortion, companded mode (
-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, 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-distortion ratio with
MIC1N, MIC1P to PCMO at – 10 dBm0
36
dBm0
Transmit signal to 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
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