AD9237BCPZ-20 Analog Devices Inc, AD9237BCPZ-20 Datasheet - Page 12

• Manufacturer Part Number: AD9237BCPZ-20
• Description: IC ADC 12BIT SGL 20MSPS 32LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9237BCPZ-20

• Data Interface: Parallel
• Number Of Bits: 12
• Sampling Rate (per Second): 20M
• Number Of Converters: 3
• Power Dissipation (max): 85mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, CSP Exposed Pad
• Resolution (bits): 12bit
• Input Channel Type: Differential
• Supply Voltage Range - Analogue: 2.7V To 3.6V
• Supply Voltage Range - Digital: 2.25V To 3.6V
• Supply Current: 30.5mA
• Sampling Rate: 20MSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD9237
Figure 15. AD9237-65 SNR/SFDR vs. Input Amplitude with f
Figure 16. AD9237-40 SNR/SFDR vs. Input Amplitude with f
–100
–120
–20
–40
–60
–80
100
90
80
70
60
50
40
30
90
80
70
60
50
40
30
0
–30
–30
0
SFDR dBFS 2V p-p
SFDR dBFS 2V p-p
SFDR dBFS 1V p-p
SNR = 65.6dBc
SFDR = 67.1dBc
SFDR dBc 2V p-p
SNR dBFS 2V p-p
SNR dBFS 4V p-p
Figure 14. AD9237-65 100 MHz FFT
–25
–25
5
SNR dBFS 1V p-p
SNR dBc 2V p-p
SNR dBc 4V p-p
SNR dBc 1V p-p
SFDR dBFS 4V p-p
10
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
–20
–20
SFDR dBc 4V p-p
FREQUENCY (MHz)
SFDR dBc 2V p-p
SNR dBc 2V p-p
SNR dBFS 2V p-p
15
–15
–15
20
–10
–10
SFDR dBc 1V p-p
25
–5
–5
IN
IN
= 35 MHz
= 20 MHz
30 32.5
0
0
Rev. A | Page 12 of 24
Figure 18. AD9237-65 SNR/SFDR vs. Input Amplitude with f
Figure 19. AD9237-20 SNR/SFDR vs. Input Amplitude with f
100
90
85
80
75
70
65
60
55
50
90
80
70
60
50
40
30
90
80
70
60
50
40
30
–30
–30
30
SFDR dBFS 1V p-p
SNR dBFS 2V p-p
SFDR dBFS 1V p-p
SFDR DCS
ENABLED
SNR dBFS 1V p-p
SFDR dBFS 2V p-p
Figure 17. SNR/SFDR vs. Clock Duty Cycle
35
–25
–25
SFDR dBFS 2V p-p
SNR dBFS 1V p-p
SNR dBc 1V p-p
SNR dBc 2V p-p
40
SFDR DCS
DISABLED
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
SFDR dBc 2V p-p
–20
–20
45
SFDR dBc 2V p-p
SNR dBc 2V p-p
DUTY CYCLE (%)
SNR dBFS 2V p-p
SNR dBc 1V p-p
–15
–15
50
55
–10
–10
SNR DCS ENABLED
SNR DCS DISABLED
SFDR dBc 1V p-p
SFDR dBc 1V p-p
60
–5
–5
65
IN
IN
= 35 MHz
= 10 MHz
70
0
0