參數(shù)資料
型號： TWL1110GQER
廠商： TEXAS INSTRUMENTS INC
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, PBGA80
封裝： PLASTIC, BGA-80
文件頁數(shù)： 6/40頁
文件大小： 564K
代理商： TWL1110GQER
TWL1110
VOICE-BAND AUDIO PROCESSOR (VBAP
)
SLWS103 – NOVEMBER 2000
14
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended ranges of supply voltage and free-air temperature (unless
otherwise noted) (continued)
receive gain and dynamic range, EAR1 selected, linear or companded (
-law or A-law) mode selected (see
Note 10)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
6-
load RXPGA = –4 dB
3.20
Overload signal level (3 dB)
16-
load RXPGA = –4 dB
4.05
Vpp
Overload signal level (3 dB)
32-
load RXPGA = –4 dB
4.54
V
Absolute gain error
0 dBm0 input signal, VDD ±10%
–1
1
dB
Gi
ith
t
t l
l
lti
t
i
PCMIN to EAR1ON, EAR1OP at 3 dBm0 to – 40 dBm0
– 0.5
0.5
Gain error with output level relative to gain
at –10 dBm0
PCMIN to EAR1ON, EAR1OP at – 41 dBm0 to – 50 dBm0
–1
1
dB
at –10 dBm0
PCMIN to EAR1ON, EAR1OP at – 51 dBm0 to – 55 dBm0
–1.2
1.2
dB
NOTE 10: RXPGA = – 4 dB for 32
, 16 , or 8 , RXVOL = 0 dB, 1020-Hz input signal at PCMI, output measured differentially between EAR1ON
and EAR1OP
receive gain and dynamic range, EAR2 selected, linear or companded (
-law or A-law) mode selected (see
Note 11)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Receive reference signal level (0 dB)
0 dBm0 PCM input signal
1.36
Vpp
Overload-signal level (3 dB)
1.925
Vpp
Absolute gain error
0 dBm0 input signal, VDD ±10%
–1
1
dB
Gi
ith
t
t l
l
lti
t
i
t
PCMIN to EAR2O at 3 dBm0 to – 40 dBm0
– 0.5
0.5
Gain error with output level relative to gain at
–10 dBm0
PCMIN to EAR2O at – 41 dBm0 to – 50 dBm0
–1
1
dB
–10 dBm0
PCMIN to EAR2O at – 51 dBm0 to – 55 dBm0
– 1.2
1.2
dB
NOTE 11: RXPGA = – 1 dB, RXVOL = 0 dB
receive filter transfer, companded mode (
-law or A-law) or linear mode selected (MCLK = 2.048 MHz) (see
Note 11)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
fEAR1 or fEAR2 < 100 Hz
– 0.5
0.5
fEAR1 or fEAR2 = 200 Hz
– 0.5
0.5
G i
l ti
t i
l
i
t 1020 H
i t
l
fEAR1 or fEAR2 = 300 Hz to 3 kHz
– 0.5
0.5
Gain relative to input signal gain at 1020 Hz, internal
high-pass filter disabled
fEAR1 or fEAR2 = 3.4 kHz
–1.5
0
dB
high-pass filter disabled
fEAR1 or fEAR2 = 4 kHz
–14
dB
fEAR1 or fEAR2 = 4.6 kHz
–35
fEAR1 or fEAR2 = 8 kHz
–47
Gain relative to input signal gain at 1020 Hz, internal
fEAR1 or fEAR2 < 100 Hz
–15
dB
Gain relative to in ut signal gain at 1020 Hz, internal
high-pass filter enabled
fEAR1 or fEAR2 = 200 Hz
–5
dB
NOTE 11. RXPGA = – 1 dB, RXVOL = 0 dB
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