AD9235BCP-20EB Analog Devices Inc, AD9235BCP-20EB Datasheet - Page 11

• Manufacturer Part Number: AD9235BCP-20EB
• Description: 12-BIT 3V 20/40/65 MSPS ADC
• Manufacturer: Analog Devices Inc

Specifications of AD9235BCP-20EB

• Number Of Adc's: 1
• Number Of Bits: 12
• Sampling Rate (per Second): 20M
• Data Interface: Parallel
• Inputs Per Adc: 1 Differential
• Input Range: 2 Vpp
• Power (typ) @ Conditions: 95mW @ 20MSPS
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: AD9235-20
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 3.0 V, DRVDD = 2.5 V, f
unless otherwise noted.
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
65.0
0
97.5
0
Figure 11. Single Tone 8K FFT with f
Figure 10. Single Tone 8K FFT with f
Figure 9. Single Tone 8K FFT with f
104.0
6.5
71.5
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
110.5
13.0
78.0
SAMPLE
117.0
19.5
= 65 MSPS with DCS disabled, T
IN
84.5
IN
IN
SNR = 70.3dBc
SINAD = 70.2dBc
ENOB = 11.4 BITS
THD = –86.3dBc
SFDR = 89.9dBc
SNR = 68.5dBc
SINAD = 66.5dBc
ENOB = 10.8 BITS
THD = –71.0dBc
SFDR = 71.2dBc
SNR = 69.4dBc
SINAD = 69.1dBc
ENOB = 11.2 BITS
THD = –81.0dBc
SFDR = 83.8dBc
= 10 MHz
= 100 MHz
= 70 MHz
123.5
26.0
91.0
130.0
32.5
Rev. C | Page 11 of 40
A
= 25°C, 2 V differential input, A
Figure 13. AD9235-40: Single Tone SNR/SFDR vs. f
Figure 14. AD9235-20: Single Tone SNR/SFDR vs. f
100
100
100
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
95
90
85
80
75
70
65
60
55
50
40
20
0
SFDR (2V SE)
SNR (2V SE)
Figure 12. AD9235-65: Single Tone SNR/SFDR vs.
SFDR (2V DIFF)
SFDR (2V SE)
SFDR (2V DIFF)
SNR (2V DIFF)
SFDR (2V DIFF)
SNR (2V SE)
SNR (2V DIFF)
45
f
CLK
25
5
with f
SAMPLE RATE (MSPS)
SAMPLE RATE (MSPS)
SAMPLE RATE (MSPS)
SFDR (2V SE)
IN
50
= Nyquist (32.5 MHz)
IN
30
10
= −0.5 dBFS, VREF = 1.0 V,
SNR (2V SE)
55
SNR (2V DIFF)
CLK
CLK
with f
with f
35
15
60
IN
IN
= Nyquist (20 MHz)
= Nyquist (10 MHz)
AD9235
65
40
20