AD9221 Analog Devices, AD9221 Datasheet - Page 7

• 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

AD9223–Typical Performance Characteristics
TPC 13. SINAD vs. Input Frequency
(Input Span = 2.0 V p-p, V
TPC 16. THD vs. Input Frequency
(Input Span = 5.0 V p-p, V
REV. E
–100
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
–0.8
–1.0
–0.2
–0.4
–0.6
80
75
70
65
60
55
50
45
40
1.0
0.8
0.6
0.4
0.2
0.0
0.1
0.1
0
TPC 10. Typical DNL
–20.0dB
–6.0dB
–0.5dB
FREQUENCY – MHz
FREQUENCY – MHz
CODE
1.0
1.0
–20.0dB
–0.5dB
–6.0dB
CM
CM
= 2.5 V)
= 2.5 V)
10.0
10.0
4095
TPC 14. THD vs. Input Frequency
(Input Span = 2.0 V p-p, V
TPC 17. THD vs. Sample Rate
(A
V
–100
–100
–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
1.0
0.8
0.6
0.4
0.2
0.0
CM
IN
0.1
0.4
0
0
= –0.5 dB, f
= 2.5 V)
TPC 11. Typical INL
0.6
0.8
SAMPLE RATE – MSPS
FREQUENCY – MHz
1
–7–
IN
CODE
1.0
= 500 kHz,
–20.0dB
–0.5dB
2
CM
(AVDD = 5 V, DVDD = 5 V, f
–6.0dB
5V p-p
2V p-p
3
= 2.5 V)
4
5 6
4095
10.0
AD9221/AD9223/AD9220
TPC 15. SINAD vs. Input Frequency
(Input Span = 5.0 V p-p, V
TPC 18. SNR/SFDR vs. A
Amplitude) (f
Span = 2 V p-p, V
TPC 12. “Grounded-Input”
Histogram (Input Span = 2 V p-p)
100
90
80
70
60
50
40
30
20
10
80
75
70
65
60
55
50
45
40
–60
0.1
SAMPLE
–20.0dB
–0.5dB
–6.0dB
–50
96,830
N–1
= 3.0 MSPS, T
–40
FREQUENCY – MHz
IN
SFDR
SNR
A
= 1.5 MHz, Input
8,123,672
IN
–30
CM
CODE
1.0
– dBFS
N
= 2.5 V)
–20
A
CM
= 25 C)
IN
130,323
–10
= 2.5 V)
N+1
(Input
10.0
0