MSP58C20 Datasheet, PDF (11/17 Pages) Texas Instruments – AUDIO-BAND CONVERTER

MSP58C20
AUDIO-BAND CONVERTER
SPSS015B – DECEMBER 1993 – REVISED JULY 1996
TYPICAL CHARACTERISTICS
TRANSMIT IDLE CHANNEL
SINGLE-FREQUENCY NOISE SPECTRUM
– 60
VDD = 4.75 V to 5.25 V (12, – 65)
– 65 ^{TA = 25°C}
(20, – 64)
– 70
– 75 (0.05, – 80)
(7, – 72)
– 80
(4, – 80)
(3.4, – 82)
(0.3, – 82)
– 85
– 90
– 95
– 100
0
5
10
15
20
Output Signal Frequency – kHz
RECEIVE IDLE CHANNEL^†
SINGLE-FREQUENCY NOISE SPECTRUM
– 50
– 55
VDD = 4.75 V to 5.25 V
TA = 25°C
– 60
(10, – 64)
– 65
(100, – 64)
– 70
– 75
– 80 _{(3, – 82)}
– 85 _{(0.01, – 82)}
– 90
– 95
– 100
0
20
40
60
80
100
Output Signal Frequency – kHz
† _{This parameter is characterized but not tested.}
Figure 5
Figure 6
RECEIVE SIGNAL-TO-TOTAL-NOISE-
PLUS-DISTORTION RATIO
vs
DIGITAL INPUT SIGNAL MAGNITUDE
70
VDD = 5.25 V
TA = 25°C
60 _{See Note A}
GH
I
F
50
E
(–1, 50)
(–20, 50)
40
D
30
C
B
20
10
A
(–70, 0)
0
– 80
– 60
– 40
– 20
0
Digital Input Signal Magnitude – dBrl
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.
Figure 7
SET OF
POINTS
A
B
C
D
E
F
G
H
I
LOCATION
(–70,9)
(–58, 23)
(–53, 28)
(–43, 38)
(–35, 46)
(–28, 53)
(–13, 67)
(–5, 69)
(–1, 64)
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