參數(shù)資料
型號(hào)： TWL1110PBS
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)： 2/40頁
文件大?。?/td> 564K
代理商： TWL1110PBS
TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless
otherwise noted) (continued)
speaker interface
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VDD = 2.7 V, fully differential, 8- load,
3-dBm0 output, volume control = – 3 dB,
RXPGA = – 4 dB level
161
200
Earphone AMP1 output power (see Note 6)
VDD = 2.7 V, fully differential, 16- load,
3-dBm0 output, volume control = – 3 dB,
RXPGA = – 2 dB level
128
160
mW
VDD = 2.7 V, fully differential, 32- load,
3-dBm0 output, volume control = – 3 dB,
RXPGA = – 1 dB level
81
100
Earphone AMP2 output power (see Note 6)
VDD = 2.7 V, single-ended, 32- load,
3-dBm0 output
10
12.5
mW
VOO
Output offset voltage at EAR1
Fully differential
±5
±30
mV
3-dBm0 input, 8-
load
141
178
I max
Maximum output current for EAR1 (rms)
3-dBm0 input, 16-
load
90
112
mA
IOmax
Maximum out ut current for EAR1 (rms)
3-dBm0 input, 32-
load
50
63
mA
Maximum output current for EAR2 (rms)
3-dBm0 input
17.7
22.1
EARMUTE
–80
dB
NOTE 6: Maximum power is with a load impedance of –25%.
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
87.5
mVpp
Overload signal level (3 dBm0)
Differential, normal mode
124
mV
Overload-signal level (3 dBm0)
Differential, extended mode
31.5
mVpp
Absolute gain error
0 dBm0 input signal, VDD ±10%
–1
1
dB
Gi
ith i
t l
l
lti
t
i
t
MIC1N, MIC1P to PCMO at 3 dBm0 to –30 dBm0
– 0.5
0.5
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
1
dB
–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 (0 dB)
Differential
87.5
mVpp
Overload signal level (3 dBm0)
Differential, normal mode
124
mVpp
Overload-signal level (3 dBm0)
Differential, extended mode
31.5
mVpp
Absolute gain error
0 dBm0 input signal, VDD ±10%
–1
1
dB
Gi
ith i
t l
l
lti
t
i
t
MIC1N, MIC1P to PCMO at 3 dBm0 to – 30 dBm0
– 0.5
0.5
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
1
dB
–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.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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