參數(shù)資料
型號： TP3054N-X
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 編解碼器
英文描述： Extended Temperature Serial Interface CODEC/Filter COMBO Family
中文描述： MU-LAW, PCM CODEC, PDIP16
封裝： DIP-16
文件頁數(shù)： 11/16頁
文件大?。?/td> 671K
代理商： TP3054N-X
Transmission Characteristics
(Continued)
Unless otherwise noted, limits printed in
BOLD
characters are guaranteed for V
= +5.0V
±
5%, V
= 5.0V
±
5%; T
=
40C to +85C by correlation with 100% electrical testing at T
= 25C. All other limits are assured by correlation with other
production tests and/or product design and characterization. GNDA = 0V, f = 1.02 kHz, V
= 0 dBm0, transmit input amplifier
connected for unity gain non inverting. Typicals are specified at V
CC
= +5.0V, V
BB
= 5.0V, T
A
= 25C.
Symbol
Parameter
Conditions
NOISE
SOS
Spurious Out-of-Band Signals
Loop Around Measurement, 0 dBm0,
at the Channel Output
300 Hz to 3400 Hz Input PCM Code
Applied at D
R
.
4600 Hz–7600 Hz
7600 Hz–8400 Hz
8400 Hz–100,000 Hz
DISTORTION
STD
X,
Signal to Total Distortion
Sinusoidal Test Method (Note 6)
STD
R
Transmit or Receive
Level=3.0 dBm0
Half-Channel
=0 dBm0 to 30 dBm0
=40 dBm0
Min
Typ
Max
Units
30
dB
30
40
30
dB
dB
dB
33
36
28
29
13
14
dBC
dBC
dBC
dBC
dBC
dBC
dB
XMT
RCV
XMT
RCV
=55 dBm0
SFD
X
Single Frequency Distortion,
Transmit
Single Frequency Distortion,
Receive
Intermodulation Distortion
43
SFD
R
43
dB
IMD
Loop Around Measurement,
VF
X
I
+
=4 dBm0 to 21 dBm0, Two
Frequencies in the Range
300 Hz3400 Hz
41
dB
CROSSTALK
CT
X-R
Transmit to Receive Crosstalk,
0 dBm0 Transmit Level
Receive to Transmit Crosstalk,
0 dBm0 Receive Level
f=300 Hz3400 Hz
D
R
=Quiet PCM Code (Note 6)
f=300 Hz3400 Hz, VF
X
I=Multitone
(Note 4)
90
70
dB
CT
R-X
90
70
dB
ENCODING FORMAT AT D
X
OUTPUT
TP3054
μ-Law
TP3057
A-Law
(Includes Even Bit Inversion)
0
1
0
1
0
1
1
0
1
0
1
0
V
IN
(at GS
X
)=+Full-Scale
V
IN
(at GS
X
)=0V
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
1
0
0
1
0
0
1
0
1
1
0
1
0
0
1
0
1
1
0
V
IN
(at GS
X
)=Full-Scale
Note 3:
Measured by extrapolation from the distortion test result at 50 dBm0.
Note 4:
PPSR
X
, NPSR
X
, and CT
R–X
are measured with a 50 dBm0 activation signal applied to VF
X
I
+
.
Note 5:
TP3054/57 are measured using C message weighted filter for μ-law and psophometric weighted filter for A-law.
Note 6:
CT
X–R
@
1.544 MHz MCLK
X
freq. is 70 dB max. 50%
±
5% BCLK
X
duty cycle.
T
www.national.com
11
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