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參數資料
| 型號： | TWL1110PBSR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP32 |
| 封裝： | PLASTIC, QFP-32 |
| 文件頁數： | 3/40頁 |
| 文件大小： | 564K |
| 代理商： | TWL1110PBSR |
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TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless
otherwise noted) (continued)
transmit filter transfer, companded mode (
-law or A-law) or linear mode selected, transmit slope filter
bypassed (MCLK = 2.048 MHz)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fMIC1 or fMIC2 <100 Hz
– 0.5
0.5
fMIC1 or fMIC2 = 200 Hz
– 0.5
0.5
G i
l ti
t i
l
i
t 1020 H
i t
l hi h
fMIC1 or fMIC2 = 300 Hz to 3 kHz
– 0.5
0.5
Gain relative to input signal gain at 1020 Hz, internal high-pass
filter disabled
fMIC1 or fMIC2 = 3.4 kHz
– 1.5
0
dB
filter disabled
fMIC1 or fMIC2 = 4 kHz
–14
dB
fMIC1 or fMIC2 = 4.6 kHz
–35
fMIC1 or fMIC2 = 8 k Hz
–47
Gain relative to input signal gain at 1020 Hz, internal high-pass
fMIC1 or fMIC2 <100 Hz
–15
dB
Gain relative to in ut signal gain at 1020 Hz, internal high ass
filter enabled
fMIC1 or fMIC2 = 200 Hz
–5
dB
transmit filter transfer, companded mode (
-law or A-law) or linear mode selected, transmit slope filter
selected, transmit high-pass filter enabled (MCLK = 2.048 MHz) (see Note 9)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fMIC1 or f MIC2 =100 Hz
–27
dB
fMIC1 or fMIC2 = 200 Hz
–8
dB
fMIC1 or fMIC2 = 250 Hz
–4
dB
fMIC1 or fMIC2 = 300 Hz
–1.80
dB
fMIC1 or fMIC2 = 400 Hz
–1.50
dB
fMIC1 or fMIC2 = 500 Hz
–1.30
dB
fMIC1 or fMIC2 = 600 Hz
–1.1
dB
fMIC1 or fMIC2 = 700 Hz
– 0.8
dB
fMIC1 or fMIC2 = 800 Hz
– 0.57
dB
fMIC1 or fMIC2 = 900 Hz
– 0.25
dB
Gain relative to input signal gain at 1 02 kHz with slope filter selected
fMIC1 or fMIC2 = 1000 Hz
0
dB
Gain relative to input signal gain at 1.02 kHz, with slope filter selected
fMIC1 or fMIC2 = 1500 Hz
1.8
dB
fMIC1 or fMIC2 = 2000 Hz
4.0
dB
fMIC1 or fMIC2 = 2500 Hz
6.5
dB
fMIC1 or fMIC2 = 3000 Hz
7.6
dB
fMIC1 or fMIC2 = 3100 Hz
7.7
dB
fMIC1 or fMIC2 = 3300 Hz
8.0
dB
fMIC1 or fMIC2 = 3500 Hz
6.48
dB
fMIC1 or fMIC2 = 4000 Hz
–13
dB
fMIC1 or fMIC2 = 4500 Hz
–35
dB
fMIC1 or fMIC2 = 5000 Hz
–45
dB
fMIC1 or fMIC2 = 8000 Hz
–50
dB
NOTE 9: The pass-band tolerance is
±0.25 dB from 300 Hz to 3500 Hz.
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