AD9221/AD9223/AD9220
AD9221–Typical Performance Characteristics
1.0
0.8
0.6
0.4
(AVDD = 5 V, DVDD = 5 V, f
SAMPLE
= 1.5 MSPS, T
A
= 25 C)
8,180,388
1.0
0.8
0.6
0.4
INL – LSBs
DNL – LSBs
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
CODE
4095
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
0
4095
N–1
N
CODE
121,764
85,895
HITS
N+1
CODE
TPC 1. Typical DNL
TPC 2. Typical INL
TPC 3. “Grounded-Input”
Histogram (Input Span = 2 V p-p)
80
75
70
SINAD – dB
–50
–55
–0.5dB
–6.0dB
SINAD – dB
THD – dB
80
75
–20.0dB
70
65
60
55
50
45
40
1.0
FREQUENCY – MHz
0.1
FREQUENCY – MHz
1.0
–20.0dB
–6.0dB
–0.5dB
–60
–65
–70
–75
–80
–85
–90
–95
65
60
55
–6.0dB
–20.0dB
50
45
40
0.1
1.0
FREQUENCY – MHz
–0.5dB
–100
0.1
TPC 4. SINAD vs. Input Frequency
(Input Span = 2.0 V p-p, V
CM
= 2.5 V)
TPC 5. THD vs. Input Frequency
(Input Span = 2.0 V p-p, V
CM
= 2.5 V)
TPC 6. SINAD vs. Input Frequency
(Input Span = 5.0 V p-p, V
CM
= 2.5 V)
–50
–55
–20.0dB
–60
THD – dB
–60
–65
–70
SNR/SFDR – dB
100
90
80
70
SFDR
60
50
40
30
20
2
0.6 0.8 1
0.3 0.4
SAMPLE RATE – MSPS
3
10
–60
–50
–40
–20
–30
A
IN
– dBFS
–10
0
SNR
–65
–75
–80
–85
–90
–95
5V p-p
2V p-p
THD– dB
–70
–0.5dB
–75
–6.0dB
–80
–85
–90
0.1
FREQUENCY – MHz
1.0
–100
0.2
TPC 7. THD vs. Input Frequency
(Input Span = 5.0 V p-p, V
CM
= 2.5 V)
TPC 8. THD vs. Sample Rate
(A
IN
= –0.5 dB, f
IN
= 500 kHz,
V
CM
= 2.5 V)
TPC 9. SNR/SFDR vs. A
IN
(Input
Amplitude) (f
IN
= 500 kHz, Input
Span = 2 V p-p, V
CM
= 2.5 V)
–6–
REV. E
AD [ ANALOG DEVICES ]
