SPT7722 データシートの表示（PDF） - Fairchild Semiconductor
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SPT7722 Datasheet PDF : 12 Pages
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SPT7722
DATA SHEET
Typical Operating Characteristics
(TA = TMin to TMax, AVCC= +5V, OVDD = +5V, ƒclk = 250MHz, 50% duty cycle,
ƒIN = 70MHz, dual channel mode; unless otherwise noted)
DLE vs. Sample Rate
0.7
0.6
ƒIN = 70.1 MHz
0.5
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
200
225
250 260
Sample Rate (MSPS)
DLE vs. Temperature
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
ƒIN = 70.1MHz
0.0
ƒS = 250 MSPS
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
-50 -25
0
25 50 75 100
Temperature (°C)
DLE vs. AVCC
0.7
0.6
ƒIN = 70.1MHz
0.5 ƒS = 250 MSPS
0.4
0.3
0.2
0.1
0.0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
Volts
AVCC Current vs. Temperature
100
90
80
70
ƒIN = 70.1MHz
ƒS = 250 MSPS
60
50
40
30
20
10
Powerdown mode
0
-50 -25
0
25 50 75 100
Temperature (°C)
SNR, SINAD vs. Sample Rate
60
55
ƒIN = 70.1 MHz
50
SNR
45
SINAD
40
35
30
25
20
200
225
250 260
Sample Rate (MSPS)
SFDR, THD vs. Sample Rate
-30
-35
ƒIN = 70.1 MHz
-40
-45
THD
-50
SFDR
-55
-60
-65
-70
200
225
250 260
Sample Rate (MSPS)
SNR, SINAD vs. Temperature
60
55
ƒIN = 70.1 MHz
ƒS = 250 MSPS
50
SNR
45
SINAD
40
35
30
25
20
-50 -25 0
25 50
75 100
Temperature (°C)
Rev. 1.0.2 December 2002
THD vs. Temperature
-30
-35
-40
ƒIN = 70.1 MHz
ƒS = 250 MSPS
-45
-50
-55
-60
-65
-70
-50 -25 0
25 50 75 100
Temperature (°C)
5
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