AD9237BCPZ-40 Analog Devices Inc, AD9237BCPZ-40 Datasheet - Page 11

• Manufacturer Part Number: AD9237BCPZ-40
• Description: IC ADC 12BIT SGL 40MSPS 32LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9237BCPZ-40

• Data Interface: Parallel
• Number Of Bits: 12
• Sampling Rate (per Second): 40M
• Number Of Converters: 3
• Power Dissipation (max): 135mW
• 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: 45.5mA
• Sampling Rate: 40MSPS
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 3.0 V, DRVDD = 2.5 V, maximum sample rate with DCS disabled, T
VREF = 1.0 V internal, FFT length 16 K, unless otherwise noted.
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
SNR = 66.9dBc
SFDR = 87.0dBc
SNR = 66.8dBc
SFDR = 83.1dBc
2
5
Figure 10. AD9237-65 70 MHz FFT
Figure 8. AD9237-20 10 MHz FFT
Figure 9. AD9237-40 20 MHz FFT
2
4
10
6
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
4
8
15
10
12
6
20
14
SNR = 66.0dBc
SFDR = 78.6dBc
25
16
8
18
30 32.5
1
20
0
Rev. A | Page 11 of 24
A
Figure 11. AD9237-20 SNR/SFDR vs. Clock Frequency with f
Figure 12. AD9237-40 SNR/SFDR vs. Clock Frequency with f
Figure 13. AD9237-65 SNR/SFDR vs. Clock Frequency with f
= 25°C, 2 V p-p differential input, A
90
85
80
75
70
65
90
85
80
75
70
65
60
90
85
80
75
70
65
60
10.0
20
40
45
12.5
25
CLOCK FREQUENCY (MSPS)
CLOCK FREQUENCY (MSPS)
CLOCK FREQUENCY (MSPS)
SFDR
SNR
SFDR
SNR
50
SNR
SFDR
15.0
30
55
IN
= –0.5 dBFS,
17.5
35
60
AD9237
IN
IN
IN
= 10 MHz
= 20 MHz
= 35 MHz
20.0
40
65