AD6640 Analog Devices, AD6640 Datasheet - Page 9

• Manufacturer Part Number: AD6640
• Description: Multi-Channel, Multi-Mode Receiver Chipset
• Manufacturer: Analog Devices

Specifications of AD6640

• Resolution (bits): 12bit
• # Chan: 1
• Sample Rate: 65MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: 2 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

REV. A
TPC 7. Two Tones at 15.0 MHz and 16.0 MHz
100
120
100
100
20
40
60
80
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
–80
–80
dc
ENCODE = 65MSPS
AIN = 31.0MHz
ENCODE = 65MSPS
F1 = 15.0MHz
F2 = 16.0MHz
–70
–70
TPC 8. Single Tone SFDR
TPC 9. Two Tone SFDR
6.5
ANALOG INPUT POWER LEVEL – dBFS
INPUT POWER LEVEL (F1 = F2) – dBFS
–60
–60
dBFS
dBc
FREQUENCY – MHz
–50
–50
13.0
–40
–40
dBFS
ENCODE = 65MSPS
AIN = 15.0MHz, 16.0MHz
NO DITHER
19.5
dBc
SFDR = 80dB
REFERENCE LINE
SFDR = 80dB
REFERENCE LINE
–30
–30
–20
–20
26.0
–10
–10
32.5
0
0
–9–
TPC 12. SNR, Worst Spurious vs. ENCODE Power
TPC 11. SNR, Worst Spurious vs. Duty Cycle
TPC 10. SNR, Worst Spurious vs. ENCODE
85
85
70
60
50
40
35
30
80
75
70
65
60
90
80
75
65
55
45
90
85
80
75
70
65
60
55
50
45
40
35
30
dc
25
–15
2.2MHz
8
30
–12
2.2MHz
16
35
–9
69MHz
WORST SPUR
24
40
WORST SPUR
ENCODE DUTY CYCLE – %
–6
WORST SPUR
ENCODE POWER – dBm
SAMPLE RATE – MSPS
32
45
–3
SNR
40
50
0
48
55
SNR
3
AIN = 19.5MHz
ENCODE = 65MSPS
AIN = 2.2MHz
ENCODE = 65MSPS
69MHz
56
60
6
SNR
64
65
9
AD6640
72
70
12
75
80
15