AD9260(2000) Просмотр технического описания (PDF) - Analog Devices
Номер в каталоге
Компоненты Описание
производитель
AD9260
(Rev.:2000)
(Rev.:2000)
Analog Devices
AD9260 Datasheet PDF : 36 Pages
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AD9260
Typical AC Characterization Curves
(AVDD = DVDD = DRVDD = +5 V, 4 V Input Span, AIN = –0.5 dBFS, Differential DC Coupled Input with CML = 2 V)
100
–60
95
FULL BIAS
–65
90
–70
85
80
HALF BIAS
–75
FIN = 1MHz, 2؋ MODE
75
–80
70
QUARTER BIAS
65
60
55
–85
–90
FIN = 100kHz, 8؋ MODE
–95
50
2
5
10
15
20
CLOCK FREQUENCY – MHz
–100
1.0 1.2
1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0
COMMON MODE INPUT LEVEL – Volts
Figure 41. SFDR vs. Clock Rate (fIN = 100 kHz in 8× Mode)
Figure 44. THD vs. Common-Mode Input Level (CML)
100
FULL BIAS
80
HALF BIAS
60
QUARTER BIAS
40
20
0
5
10
15
20
25
CLOCK FREQUENCY – MHz
Figure 42. SFDR vs. Clock Rate (fIN = 500 kHz in 4× Mode)
–40
–50
FS = 20MHz
–60
FS = 10MHz
–70
–80
FS = 5MHz
–90
1k
10k
100k
1M
10M
INPUT FREQUENCY – Hz
100M
Figure 45. CMR vs. Input Frequency (VCML = 2 V p-p, 1×
Mode)
100
FULL BIAS
80
HALF BIAS
60
40
QUARTER BIAS
20
100
4V SPAN SNR-8؋ MODE
4V SPAN SFDR-2؋ MODE
95
1.6V SPAN SNR-8؋ MODE
1.6V SPAN SFDR-2؋ MODE
90
85
80
0
5
10
15
20
25
CLOCK FREQUENCY – MHz
Figure 43. SFDR vs. Clock Rate (fIN = 1.0 MHz in 2× Mode)
75
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
FREQUENCY – MHz
Figure 46. 4 V vs. 1.6 V Span SNR/SFDR (fCLOCK = 20 MSPS)
–18–
REV. B
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