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參數(shù)資料
| 型號： | MSP58C20 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Audio-Band Converter |
| 中文描述： | 語音頻帶轉(zhuǎn)換器 |
| 文件頁數(shù)： | 3/17頁 |
| 文件大小： | 298K |
| 代理商： | MSP58C20 |
MSP58C20
AUDIO-BAND CONVERTER
SPSS015B – DECEMBER 1993 – REVISED JULY 1996
11
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
05
10
Output
Signal
Magnitude
–
dBrl
Output Signal Frequency – kHz
TRANSMIT IDLE CHANNEL
SINGLE-FREQUENCY NOISE SPECTRUM
15
20
–60
–65
–70
–75
–80
–85
–90
–95
– 100
(0.3, – 82)
(3.4, – 82)
(0.05, – 80)
(4, – 80)
(7, – 72)
(12, – 65)
(20, – 64)
VDD = 4.75 V to 5.25 V
TA = 25°C
020
40
60
Output
Signal
Magnitude
–
dBrl
Output Signal Frequency – kHz
RECEIVE IDLE CHANNEL
SINGLE-FREQUENCY NOISE SPECTRUM
80
100
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
– 100
(0.01, – 82)
(3, – 82)
(10, – 64)
(100, – 64)
VDD = 4.75 V to 5.25 V
TA = 25°C
This parameter is characterized but not tested.
Figure 5
Figure 6
SET OF
POINTS
LOCATION
A
(–70,9)
B
(–58, 23)
C
(–53, 28)
D
(–43, 38)
E
(–35, 46)
F
(–28, 53)
G
(–13, 67)
H
(–5, 69)
I
(–1, 64)
Figure 7
30
20
10
0
Receive
Signal-to-T
otal-Noise-Plus-Distortion
Ratio
–
dB
40
50
Digital Input Signal Magnitude – dBrl
RECEIVE SIGNAL-TO-TOTAL-NOISE-
PLUS-DISTORTION RATIO
vs
DIGITAL INPUT SIGNAL MAGNITUDE
60
–80
– 60
–40
–20
0
(–70, 0)
(–20, 50)
(–1, 50)
NOTE A: The three points on the dashed line are minimum
qualification standards, which every MSP58C20 must
pass. The curve shows empirical data from a
representative lot.
A
B
C
D
E
F
G
H
I
VDD = 5.25 V
TA = 25°C
See Note A
70
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