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)： 7/40頁
文件大?。?/td> 564K
代理商： TWL1110PBSR
TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless
otherwise noted) (continued)
–10
–15
–20
–25
10
100
1 k
10 k
Relative
Gain
–
dB
–5
0
f – Frequency – Hz
RELATIVE GAIN RESPONSE
vs
FREQUENCY
5
–30
–35
Figure 2. Receive Gain Response With Respect to Gain of 1 kHz Tone With High Pass Filter Selected and
High Pass Filter Disabled
receive idle channel noise and distortion, EAR1 selected, companded mode (
-law or A-law) selected (see
Note 10)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Receive noise, psophometrically weighted
PCMIN = 11010101 (A-law)
–89
–86
dBm0p
Receive noise, C-message weighted
PCMIN = 11111111 (
-law)
36
50
Vrms
PCMIN to EAR1ON, EAR1OP at 3 dBm0
21
PCMIN to EAR1ON, EAR1OP at 0 dBm0
25
PCMIN to EAR1ON, EAR1OP at – 5 dBm0
36
Receive signal-to-distortion ratio with 1020-Hz
PCMIN to EAR1ON, EAR1OP at –10 dBm0
43
dB
Receive signal to distortion ratio with 1020 Hz
sinewave input
PCMIN to EAR1ON, EAR1OP at – 20 dBm0
40
dB
PCMIN to EAR1ON, EAR1OP at – 30 dBm0
38
PCMIN to EAR1ON, EAR1OP at – 40 dBm0
28
PCMIN to EAR1ON, EAR1OP at – 45 dBm0
23
NOTE 10: RXPGA = – 4 dB for 32
, RXVOL = 0 dB, 1020-Hz input signal at PCMI, output measured differentially between EAR1ON and EAR1OP.
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