參數(shù)資料
型號(hào)： TP3070-X
廠商： National Semiconductor Corporation
文件頁(yè)數(shù)： 17/26頁(yè)
文件大?。?/td> 401K
代理商： TP3070-X
Transmission Characteristics
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
Absolute Levels
The Maximum 0 dBm0 Levels are:
VF
X
I
VF
R
O (15 k
Load)
The Minimum 0 dBm0 Levels are:
VF
X
I
VF
R
O (Any Load
≥
300
)
Overload Levels are 3.17 dBm0 (μLaw)
and 3.14 dBm0 (A-Law)
G
XA
Transmit Gain
Transmit Gain Programmed for Maximum
Absolute Accuracy
0 dBm0 Test Level. (All 1’s in gain register)
Measure Deviation of Digital Code from
Ideal 0 dBm0 PCM Code at D
X
0/1.
T
A
= 25C
G
XAG
Transmit 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 1.619 Vrms to
0.182 Vrms)
Programmed Gain from 19.1 dB to 25.4 dB
(0 dBm0 Levels of 0.180 Vrms to
0.087 Vrms)
Min
Typ
Max
Units
1.619
1.964
Vrms
Vrms
87.0
105.0
mVrms
mVrms
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.
Relative to 1015.625 Hz, (Note 15)
Minimum Gain
<
G
X
<
Maximum Gain
f = 60 Hz
f = 200 Hz
f = 300 Hz to 3000 Hz
f = 3400 Hz
f = 4000 Hz
f
≥
4600 Hz. Measure Response
at Alias Frequency from 0 kHz to 4 kHz.
G
X
= 0 dB, VF
X
I = 1.619 Vrms
Relative to 1015.625 Hz
f = 62.5 Hz
f = 203.125 Hz
f = 343.75 Hz
f = 515.625 Hz
f = 2140.625 Hz
f = 3156.25 Hz
f = 3406.250 Hz
f = 3984.375 Hz
Relative to 1062.5 Hz (Note 15)
f = 5250 Hz, Measure 2750 Hz
f = 11750 Hz, Measure 3750 Hz
f = 49750 Hz, Measure 1750 Hz
G
XAF
Transmit Gain
Variation with
Frequency
26
0.1
0.15
0.0
14
32
dB
dB
dB
dB
dB
dB
1.8
0.15
0.7
24.9
0.1
0.15
0.15
0.15
0.15
0.0
13.5
dB
dB
dB
dB
dB
dB
dB
dB
1.7
0.15
0.15
0.15
0.15
0.74
32
32
32
dB
dB
dB
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