參數(shù)資料
型號(hào)： TP3071N
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 編解碼器
英文描述： COMBO II Programmable PCM CODEC/Filter
中文描述： A/MU-LAW, PROGRAMMABLE CODEC, PDIP20
封裝： PLASTIC, DIP-20
文件頁(yè)數(shù)： 20/26頁(yè)
文件大?。?/td> 401K
代理商： TP3071N
Transmission Characteristics
(Continued)
Unless otherwise noted, limits printed in
BOLD
characters are guaranteed for V
= +5V
±
5%, V
= 5V
±
5%; T
A
= 0C to
+70C (40C to +85C for TP3070-X) by correlation with 100% electrical testing at T
= 25C. f = 1015.625 Hz, VF
I =
0 dBm0, D
0 or D
1 = 0 dBm0 PCM code. Transmit and receive gains programmed for maximum 0 dBm0 test levels (0 dB
gain), hybrid balance filter disabled. All other limits are assured by correlation with other production tests and/or product de-
sign and characterization. All signals referenced to GND. Typicals specified at V
CC
= +5V, V
BB
= 5V, T
A
= 25C.
Symbol
Parameter
Conditions
NOISE
PPSR
R
Positive Power Supply
PCM Code Equals Positive Zero
Rejection, Receive
V
CC
= 5.0 V
DC
+ 100 mVrms
Measure VF
R
O
f = 0 Hz–4000 Hz
f = 4 kHz–25 kHz
f = 25 kHz–50 kHz
NPSR
R
Negative Power Supply
PCM Code Equals Positive Zero
Rejection, Receive
V
BB
= 5.0 V
DC
+ 100 mVrms
Measure VF
R
O
f = 0 Hz–4000 Hz
f = 4 kHz–25kHz
f = 25 kHz–50 kHz
SOS
Spurious Out-of-Band
0 dBm0, 300 Hz to 3400 Hz Input PCM
Signals at the Channel
Code Applied at D
R
0 (or D
R
1)
Output
4600 Hz–7600 Hz
7600 Hz–8400 Hz
8400 Hz–50,000 Hz
DISTORTION
STD
X
Signal to Total Distortion
Sinusoidal Test Method
STD
R
Transmit or Receive
Level = 3.0 dBm0
Half-Channel, μ-law Selected
= 0 dBm0 to 30 dBm0
= 40 dBm0
= 45 dBm0
STD
RL
Signal to Total Distortion
Sinusoidal Test Method
Receive with
Level = +3.1 dBm0
Resistive Load
R
L
= 600
, G
R
= 0.5 dB
R
L
= 300
, G
R
= 1.2 dB
SFD
X
Single Frequency
Distortion, Transmit
SFD
R
Single Frequency
Distortion, Receive
IMD
Intermodulation Distortion
Transmit or Receive
Two Frequencies in the Range
300 Hz–3400 Hz
Min
Typ
Max
Units
36
40
36
dBC
dB
dB
36
40
36
dBC
dB
dB
30
40
30
dB
dB
dB
33
36
30
25
dBC
dBC
dBC
dBC
33
33
dBC
dBC
dB
46
46
dB
41
dB
www.national.com
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