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參數資料
| 型號： | TWL1102PBSR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, TQFP-32 |
| 文件頁數： | 4/29頁 |
| 文件大小： | 387K |
| 代理商： | TWL1102PBSR |
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TWL1102
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLVS264 – NOVEMBER 1999
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at 2.7 V and 25
° C (unless otherwise noted) (continued)
receive idle channel noise and distortion, EAR1 selected, companded mode (
-law or A-law) selected (see
Note 14)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Receive noise, psophometrically weighted
PCMIN = 11010101 (
Α–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
sine-wave 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 14: 10. RXPGA = -1 dB for 32
default mode or RXPGA = -2 dB for 16 , RXVOL = 0 dB, 1020 Hz input signal at PCMI, output measured
differentially between EAR1ON and EAR1OP.
receive idle channel noise and distortion, EAR1 selected, linear mode selected (see Note 14)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Receive noise, (20 Hz to 20 kHz brickwall window)
PCMIN = 0000000000000
–86
–83
dBm0
PCMIN to EAR1ON, EAR1OP at 3 dBm0
65
78
PCMIN to EAR1ON, EAR1OP at 0 dBm0
73
80
PCMIN to EAR1ON, EAR1OP at – 5 dBm0
72
78
Receive signal-to-distortion ratio with 1020 Hz
PCMIN to EAR1ON, EAR1OP at –10 dBm0
70
78
dB
Receive signal to distortion ratio with 1020 Hz
sine-wave input
PCMIN to EAR1ON, EAR1OP at – 20 dBm0
60
76
dB
PCMIN to EAR1ON, EAR1OP at – 30 dBm0
50
67
PCMIN to EAR1ON, EAR1OP at – 40 dBm0
40
60
PCMIN to EAR1ON, EAR1OP at – 45 dBm0
35
55
Intermodulation distortion, 2-tone CCITT method,
CCITT G.712 (7.1), R2
50
dB
Intermodulation distortion, 2 tone CCITT method,
composite power level, –13 dBm0
CCITT G.712 (7.2), R2
54
dB
NOTE 14. RXPGA = -1 dB for 32
default mode or RXPGA = -2 dB for 16 , RXVOL = 0 dB, 1020 Hz input signal at PCMI, output measured
differentially between EAR1ON and EAR1OP.
receive idle channel noise and distortion, EAR2 selected, companded mode (
-law or A-law) selected (see
Note 13)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Receive noise, psophometrically weighted
PCMIN = 11010101 (
Α–law)
–81
–78
dBmop
Receive noise, C-message weighted
PCMIN = 11111111 (
–law)
36
50
Vrms
PCMIN to EAR2O at 3 dBm0
21
PCMIN to EAR2O at 0 dBm0
25
PCMIN to EAR2O at – 5 dBm0
36
Receive signal-to-distortion ratio with 1020-Hz
PCMIN to EAR2O at –10 dBm0
43
dB
Receive signal-to-distortion ratio with 1020-Hz
sine-wave input
PCMIN to EAR2O at – 20 dBm0
40
dB
PCMIN to EAR2O at – 30 dBm0
38
PCMIN to EAR2O at – 40 dBm0
28
PCMIN to EAR2O at – 45 dBm0
23
NOTE 13. RXPGA = -1 dB, RXVOL = 0 dB
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