參數(shù)資料
型號(hào)： TWL1103TPBSQ1
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, TQFP-32
文件頁數(shù)： 29/30頁
文件大?。?/td> 458K
代理商： TWL1103TPBSQ1
TWL1103T Q1
VOICEBAND AUDIO PROCESSOR (VBAP)
SGLS120B APRIL 2002 REVISED APRIL 2008
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, VDD = 2.7 V, TA = 40°C to 105°C (unless otherwise noted) (continued)
transmit gain and dynamic range, companded mode (
-law or A-law) or linear mode selected, transmit slope
filter bypassed (see Notes 7 and 8)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Transmit reference-signal level (0 dB)
Differential
175
mVpp
Overload-signal level (3 dBm0)
Differential, normal mode
248
mVpp
Overload-signal level (3 dBm0)
Differential, extended mode
63
mVpp
Absolute gain error
0 dBm0 input signal, VDD = 2.7 V (minimum)
1
dB
Linear mode gain error with input level
MIC1N, MIC1P to PCMO at 3 dBm0 to 30 dBm0
0.5
0.5
Linear mode gain error with input level
relative to gain at 10 dBm0 MIC1N,
MIC1P to PCMO
MIC1N, MIC1P to PCMO at 31 dBm0 to 45 dBm0
1
dB
relative to gain at 10 dBm0 MIC1N,
MIC1P to PCMO
MIC1N, MIC1P to PCMO at 46 dBm0 to 55 dBm0
1.2
1.2
dB
NOTES:
7. Unless otherwise noted, the analog input is 0 dB, 1020-Hz sine wave, where 0 dB is defined as the zero-reference point of the channel
under test.
8. The reference signal level, which is input to the transmit channel, is defined as a value 3 dB below the full-scale value of 88-mVrms.
transmit gain and dynamic range, companded mode (
-law or A-law) or linear mode selected, transmit slope
filter enabled (see Notes 7 and 8)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Transmit reference-signal level (0dB)
Differential
175
mVpp
Overload-signal level (3 dBm0)
Differential, normal mode
248
mVpp
Overload-signal level (3 dBm0)
Differential, extended mode
63
mVpp
Absolute gain error
0-dBm0 input signal, VDD = 2.7 V (minimum)
1
dB
Linear mode gain error with input level
MIC1N, MIC1P to PCMO at 3 dBm0 to 30 dBm0
0.5
0.5
Linear mode gain error with input level
relative to gain at 10-dBm0 MIC1N,
MIC1P to PCMO
MIC1N, MIC1P to PCMO at 31 dBm0 to 45 dBm0
1
dB
relative to gain at 10-dBm0 MIC1N,
MIC1P to PCMO
MIC1N, MIC1P to PCMO at 46 dBm0 to 55 dBm0
1.2
1.2
dB
NOTES:
7. Unless otherwise noted, the analog input is 0 dB, 1020-Hz sine wave, where 0 dB is defined as the zero-reference point of the
channel under test.
8. The reference signal level, which is input to the transmit channel, is defined as a value 3 dB below the full-scale value of 88-mVrms.
transmit filter transfer, linear mode selected, transmit slope filter bypassed, external high pass filter
bypassed (MCLK = 2.048 MHz)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fMIC1 or fMIC2 <100 Hz
8.5
6
fMIC1 or fMIC2 = 200 Hz
4.5
3
Gain relative to input signal gain at 1020 Hz, internal high-pass
fMIC1 or fMIC2 > 700 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 input signal gain at 1020 Hz, internal high-pass
filter enabled
fMIC1 or fMIC2 = 200 Hz
5
dB
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