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參數(shù)資料
| 型號： | TWL1107PWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO20 |
| 封裝： | PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 18/19頁 |
| 文件大?。?/td> | 259K |
| 代理商： | TWL1107PWR |
TWL1107
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS119 – JUNE 2001
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and operating free-air temperature
(unless otherwise noted) (continued)
receive filter transfer, companded mode (A-law) or linear mode selected (MCLK = 2.048 MHz) (see Note 10)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fEAROUT < 100 Hz
– 15
fEAROUT = 200 Hz
– 5
fEAROUT = 300 Hz to 3 kHz
– 0.5
0.5
Gain relative to input signal gain at 1.02-kHz
fEAROUT = 3.4 kHz
–1.5
0
dB
Gain relative to in ut signal gain at 1.02 kHz
fEAROUT = 4 kHz
– 14
dB
fEAROUT = 4.6 kHz
– 35
fEAROUT = 8 kHz
– 47
NOTE 10: Volume control = – 3 dB, PCMI data input to – 1 dB level (32-
load)
receive idle channel noise and distortion, companded mode (A-law) selected (see Note 10)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Receive noise, C-message weighted
PCMI = 11111111 (A-law)
– 90
– 88
dBm0
PCMI to EAROUT–, EAROUT+ at 3 dBm0
21
PCMI to EAROUT–, EAROUT+ at 0 dBm0
25
PCMI to EAROUT–, EAROUT+ at – 5 dBm0
36
Receive signal-to-distortion ratio with 1.02-kHz
PCMI to EAROUT–, EAROUT+ at –10 dBm0
43
dB
Receive signal to distortion ratio with 1.02 kHz
sine-wave input
PCMI to EAROUT–, EAROUT+ at – 20 dBm0
40
dB
PCMI to EAROUT–, EAROUT+ at – 30 dBm0
38
PCMI to EAROUT–, EAROUT+ at – 40 dBm0
28
PCMI to EAROUT–, EAROUT+ at – 45 dBm0
23
NOTE 10: Volume control = – 3 dB, PCMI data input to – 1 dB level (32-
load)
receive idle channel noise and distortion, linear mode selected (see Note 10)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Receive noise, (20 Hz to 20 kHz brickwall window)
PCMI = 0000000000000
– 83
– 78
dBm0
PCMI to EAROUT–, EAROUT+ at 3 dBm0
48
52
PCMI to EAROUT–, EAROUT+ at 0 dBm0
51
56
PCMI to EAROUT–, EAROUT+ at – 5 dBm0
57
59
Receive signal-to-distortion ratio with 1.02-kHz
PCMI to EAROUT–, EAROUT+ at –10 dBm0
55
62
dB
Receive signal to distortion ratio with 1.02 kHz
sine-wave input (0 – 4 kHz)
PCMI to EAROUT–, EAROUT+ at – 20 dBm0
51
53
dB
PCMI to EAROUT–, EAROUT+ at – 30 dBm0
45
47
PCMI to EAROUT–, EAROUT+ at – 40 dBm0
42
47
PCMI to EAROUT–, EAROUT+ at – 45 dBm0
35
45
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 10: Volume control = – 3 dB, PCMI data input to – 1 dB level (32-
load)
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