ad773akd Analog Devices, Inc., ad773akd Datasheet - Page 6

• Manufacturer Part Number: ad773akd
• Description: 10-bit, 20 Msps Monolithic A/d Converter
• Manufacturer: Analog Devices, Inc.

AD773A
Figure 4. Harmonic Distortion vs. Input Frequency,
f
Figure 2. S/N+D vs. Input Frequency, f
CLK
Figure 3. CMR vs. Input Frequency, f
–100
–80
–20
–40
–60
= 20 MSPS: Full Power
–100
20
60
50
40
30
20
10
–20
–40
–60
–80
0
1E+05
1E+05
0
1E+05
0
–Dynamic Characteristics
2ND HARMONIC
1E+06
AIN= –6dB
1E+06
THD
1E+06
FO
FREQUENCY – Hz
FREQUENCY – Hz
FREQUENCY – Hz
3RD HARMONIC
1E+07
1E+07
1E+07
AIN= –0.3dB
1E+08
CLK
CLK
= 20 MSPS
= 20 MSPS
1E+08
1E+08
1E+09
–6–
Figure 6. Typical FFT Plot of AD773A, f
f
Figure 7. Typical FFT Plot of AD773A, f
f
Figure 5. Harmonic Distortion vs. Input Frequency,
f
IN
IN
CLK
= 1 MHz at 1 V p-p
= 9.9 MHz at 1 V p-p
= 20 MSPS: Small Signal
–100
–100
–20
–40
–60
–80
–100
–10
–20
–30
–40
–60
–70
–80
–90
–50
–90
–10
–20
–30
–40
–50
–60
–70
–80
1E+05
0
0
0
0
0
1.3
1.3
1E+06
2.6
2.5
THD
2ND HARMONIC
f
f
THD = –67dB
S/(N+D) = 56dB
2ND HARMONIC = –78dB
3RD HARMONIC = –73dB
IN
IN
f
f
THD = –63dB
S/(N+D) = 54dB
2ND HARMONIC = –70dB
3RD HARMONIC = –66dB
FREQUENCY – MHz
IN
IN
FREQUENCY – Hz
FREQUENCY – MHz
FO
= 1MHz
AMPLITUDE = –0.5
3.8
= 9.9MHz
AMPLITUDE = –0.5
3.8
1E+07
5.1
5.1
6.4
6.4
3RD HARMONIC
1E+08
CLK
CLK
7.7
7.6
= 20 MSPS,
= 20 MSPS,
9
8.9
1E+09
REV. 0
10
10