AD9221 Analog Devices, AD9221 Datasheet - Page 8

• Manufacturer Part Number: AD9221
• Description: Complete 12-Bit 1.25 MSPS Monolithic A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9221

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 1.5MSPS
• Interface: Par
• Analog Input Type: Diff-Uni,SE-Uni
• Ain Range: 2 V p-p,5V p-p
• Adc Architecture: Pipelined
• Pkg Type: SOIC,SOP

TPC 25. THD vs. Input Frequency
(Input Span = 5.0 V p-p, V
AD9221/AD9223/AD9220
AD9220–Typical Performance Characteristics
TPC 22. SINAD vs. Input Frequency
(Input Span = 2.0 V p-p, V
–0.2
–0.4
–0.6
–0.8
–1.0
–50
–55
–60
–65
–70
–75
–80
–85
–90
1.0
0.8
0.6
0.4
0.2
0.0
80
75
70
65
60
55
50
45
40
0.1
1
0.1
TPC 19. Typical DNL
–20.0dB
FREQUENCY – MHz
FREQUENCY – MHz
1.0
–0.5dB
CODE
1.0
–0.5dB
–20dB
–6dB
CM
CM
–6.0dB
= 2.5 V)
= 2.5 V)
10.0
4095
10.0
TPC 23. THD vs. Input Frequency
(Input Span = 2.0 V p-p, V
TPC 26. THD vs. Clock Frequency
(A
V
–100
–100
CM
–0.2
–0.4
–0.6
–0.8
–1.0
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–60
–65
–70
–75
–80
–85
–90
–95
IN
1.0
0.8
0.6
0.4
0.2
0.0
0.5
= 2.5 V)
1
= –0.5 dB, f
TPC 20. Typical INL
1
1.0
SAMPLE RATE – MSPS
FREQUENCY – MHz
5V p-p
2V p-p
–8–
IN
–0.5dB
–20dB
–6dB
CODE
= 1.0 MHz,
10
CM
(AVDD = 5 V, DVDD = 5 V, f
= 2.5 V)
4095
10.0
15
TPC 24. SINAD vs. Input Frequency
(Input Span = 5.0 V p-p, V
TPC 21. “Grounded-Input”
Histogram (Input Span = 2 V p-p)
TPC 27. SNR/SFDR vs. A
Amplitude) (f
Span = 2 V p-p, V
80
75
70
65
60
55
50
45
40
90
80
70
60
50
40
30
20
10
–60
0.1
SAMPLE
–20.0dB
–0.5dB
–6.0dB
134,613
–50
N–1
= 10 MSPS, T
FREQUENCY – MHz
–40
IN
A
8,123,672
= 5.0 MHz, Input
IN
CODE
–30
CM
N
– dBFS
1.0
= 2.5 V)
–20
A
CM
SFDR
= 25 C)
130,323
IN
N+1
= 2.5 V)
–10
SNR
(Input
REV. E
10.0
0