AD9260(2000) 데이터 시트보기 (PDF) - Analog Devices
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AD9260
(Rev.:2000)
(Rev.:2000)
Analog Devices
AD9260 Datasheet PDF : 36 Pages
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AD9260–Typical Performance Characteristics
(AVDD = DVDD = DRVDD = +5.0 V, 4 V Input Span, Differential DC Coupled Input with CML = 2.0 V, fCLOCK = 20 MSPS, Full Bias)
0
0
100kHz INPUT
100kHz INPUT
–20
20MHz CLOCK
–20
20MHz CLOCK
8؋ DECIMATION
1؋ DECIMATION
–40
THD: –96dB
–40
THD: –98dB
–60
–60
–80
–80
–100
–100
–120
0
0.2
0.4
0.6
0.8
1.0
1.2
FREQUENCY – MHz
Figure 5. Spectral Plot of the AD9260 at 100 kHz Input,
20 MHz Clock, 8× OSR (2.5 MHz Output Data Rate)
–120
0 1 2 3 4 5 6 7 8 9 10
FREQUENCY – MHz
Figure 8. Spectral Plot of the AD9260 at 100 kHz Input,
20 MHz Clock, Undecimated (20 MHz Output Data Rate)
0
100kHz INPUT
–20
20MHz CLOCK
4؋ DECIMATION
–40
THD: –98dB
–60
–80
–100
–120
0
0.5
1
1.5
2
2.5
FREQUENCY – MHz
Figure 6. Spectral Plot of the AD9260 at 100 kHz Input,
20 MHz Clock, 4× OSR (5 MHz Output Data Rate)
0
100kHz INPUT
–20
20MHz CLOCK
2؋ DECIMATION
–40
THD: –98dB
–60
–80
–100
–120
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
FREQUENCY – MHz
Figure 7. Spectral Plot of the AD9260 at 100 kHz Input,
20 MHz Clock, 2× OSR (10 MHz Output Data Rate)
110
–12dBFS/TONE
106
102
–6.5dBFS/TONE
98
–26dBFS/TONE
94
–46dBFS/TONE
90
0
0.2
0.4
0.6
0.8
1
FREQUENCY – MHz
Figure 9. Dual Tone SFDR vs. Input Frequency (F1 = F2,
(F1 – F2, Span = 10% Center Frequency, Mode = 8×)
0
DUAL-TONE TEST
–20 f1 = 1.0MHz
f2 = 975kHz
20MHz CLOCK
–40 8؋ DECIMATION
IM3: –94dB
–60
–80
–100
–120
0
0.2
0.4
0.6
0.8
1
1.2
FREQUENCY – MHz
Figure 10. Two-Tone Spectral Performance of the
AD9260 Given Inputs at 975 kHz and 1.0 MHz, 20 MHz
Clock, 8× Decimation
–12–
REV. B
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