參數(shù)資料
型號： TP3071
廠商： National Semiconductor Corporation
元件分類： Codec
英文描述： COMBO II Programmable PCM CODEC/Filter
中文描述： 組合二可編程PCM編解碼器/濾波器
文件頁數(shù)： 18/26頁
文件大?。?/td> 401K
代理商： TP3071
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
AMPLITUDE RESPONSE
G
XAT
Transmit Gain
Measured Relative to G
XA
, V
CC
= 5V,
Variation with
V
BB
= 5V,
Temperature
Minimum gain
<
G
X
<
Maximum Gain
40C to +85C (TP3070-X)
G
XAL
Transmit Gain
Sinusoidal Test Method.
Variation with Signal
Reference Level = 0 dBm0.
Level
VF
X
I = 40 dBm0 to +3 dBm0
VF
X
I = 50 dBm0 to 40 dBm0
VF
X
I = 55 dBm0 to 50 dBm0
G
RA
Receive Gain
Receive Gain Programmed for Maximum
Absolute Accuracy
0 dBm0 Test Level (All 1’s in
Gain Register). Apply 0 dBm0 PCM Code
to D
R
0 or D
R
1. Measure VF
R
O.
T
A
= 25C
G
RAG
Receive Gain
T
A
= 25C, V
CC
= 5V, V
BB
= 5V
Variation with
Programmed Gain from 0 dB to 19 dB
Programmed Gain
(0 dBm0 Levels of 1.964 Vrms to
0.220 Vrms)
Programmed Gain from 19.1 dB to 25.4 dB
(0 dBm0 Levels of 0.218 Vrms to
0.105 Vrms)
Min
Typ
Max
Units
0.1
0.1
dB
0.15
0.15
dB
0.2
0.4
1.2
0.2
0.4
1.2
dB
dB
dB
0.15
0.15
dB
0.1
0.1
dB
0.3
0.3
dB
Note:
±
0.1 dB min/max is available as a selected
part.
Measured Relative to G
RA
.
V
CC
= 5V, V
BB
= 5V.
Minimum Gain
<
G
R
<
Maximum Gain
40C to +85C (TP3070-X)
Relative to 1015.625 Hz, (Note 15)
D
R
0 or D
R
1 = 0 dBm0 code.
Minimum Gain
<
G
R
<
Maximum Gain
f = 200 Hz
f = 300 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
G
R
= 0 dB, D
R
0 = 0 dBm0 Code,
G
X
= 0 dB (Note 15)
f = 296.875 Hz
f = 1875.00 Hz
f = 2906.25 Hz
f = 2984.375 Hz
f = 3406.250 Hz
f = 3984.375 Hz
G
RAT
Receive Gain
Variation with Temperature
0.1
0.1
dB
0.15
0.15
dB
G
RAF
Receive Gain
Variation with Frequency
0.25
0.15
0.7
0.15
0.15
0.0
14
dB
dB
dB
dB
0.15
0.15
0.15
0.15
0.74
0.15
0.15
0.15
0.15
0.0
13.5
dB
dB
dB
dB
dB
dB
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