參數(shù)資料
型號： TP3094V
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 編解碼器
英文描述： Quad PCM Codec/Filter
中文描述： A/MU-LAW, PCM CODEC, PQCC44
封裝： PLASTIC, LCC-44
文件頁數(shù)： 12/19頁
文件大小： 186K
代理商： TP3094V
12
www.national.com
Power Dissipation
I
CC
0
Amplitude Response
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Power down current (all
channels down)
Measured after having first
achieved power-up state.
MCLK=2.048MHz
No load, MCLK=2.048MHz
0.9
1.5
mA
I
CC
1
Power up active current
(all channel active)
35
50
mA
Absolute Levels
Nominal 0dBm0 level is 0dBm at
the analog inputs/outputs
Max overload level
3.17dBm0 (
μ
-law)
3.14dBm0 (A-law)
0.7746
V
rms
t
max
Virtual decision value
defined per ITU G.711
1.116
1.112
V
rms
V
rms
dB
G
XA
Transmit gain, absolute
T
A
=25
o
C, V
CC
=5V,
Input at VXI=0dBm0 at
1015.625Hz
T
A
=0
o
C to 70
o
C,
V
CC
=5V
±5%
,
TA=-40
o
C to +85
o
C,
V
CC
=5V
±5%
Input at GXO=0dBm0 at
1015.625Hz
f=16Hz
f=50Hz
f=60Hz
f=200Hz
f=300-3000Hz
f=3300Hz
f=3400Hz
f=4000Hz
f=4.6KHz and up (Note 2),
measure response from 0 to
4000Hz
Sinusoidal test method, refer-
ence level = -10dBm0 at VXI
GXO=-40dBm0 to +3dBm0
GXO=-50dBm0 to -40dBm0
GXO=-55dBm0 to -50dBm0
T
A
=25
o
C, V
CC
=5V
±5%
Input PCM level at DR=0dBm0 at
1015.625Hz
T
A
=0
o
C to 70
o
C, V
CC
=5V
±5%
,
T
A
=-40
o
C to 85
o
C, V
CC
=5V
±5%
,
Input PCM level at DR=0dBm0 at
1015.625Hz
f=0-3000Hz
f=3300Hz
f=3400Hz
f=4000Hz
-0.15
0.15
G
XAT/V
Cumulative Transmit
gain Variation with sup-
plies and temperature
ranges
-0.2
-0.3
0.2
0.3
dB
dB
G
XR
Transmit gain, relative
to G
XA
-1.8
-0.15
-0.35
-0.7
-35
-30
-30
0
0.15
0.15
0
-14
-32
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
G
XAL
Transmit gain variation
with level
-0.2
-0.4
-1.0
-0.15
0.2
0.4
1.0
0.15
dB
dB
dB
dB
G
RA
Receive gain, absolute
G
RAT/V
Cumulative Receive gain
Variation with supplies
and temperature ranges
-0.2
-0.3
0.2
0.3
dB
G
RR
Receive gain, relative to
G
RA
-0.15
-0.35
-0.7
0.15
0.15
0
-14
dB
dB
dB
dB
Electrical Characteristics
(continued)
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