AD6645ASQ-80 Analog Devices Inc, AD6645ASQ-80 Datasheet - Page 10

IC ADC 14BIT 80MSPS 52-LQFP-PQ4

AD6645ASQ-80

Manufacturer Part Number
AD6645ASQ-80
Description
IC ADC 14BIT 80MSPS 52-LQFP-PQ4
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD6645ASQ-80

Rohs Status
RoHS non-compliant
Design Resources
Low Jitter Sampling Clock Generator for High Performance ADCs Using AD9958/9858 and AD9515 (CN0109)
Number Of Bits
14
Sampling Rate (per Second)
80M
Data Interface
Parallel
Number Of Converters
4
Power Dissipation (max)
1.75W
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
52-LQFP Exposed Pad, 52-eLQFP, 52-HLQFP
For Use With
AD6645-80/PCBZ - BOARD EVAL ADC 80MSPS AD6645AD6645-MIL/PCB - BOARD EVAL AD6645-MIL/PCB

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD6645ASQ-80
Manufacturer:
AD
Quantity:
586
AD6645
Figure 12. Signal-to-Noise Ratio (SNR) vs. Analog Frequency (IF)
75.5
75.0
74.5
74.0
73.5
73.0
72.5
72.0
Figure 11. Worst-Case Harmonics vs. Analog Input Frequency
76
75
74
73
72
71
70
94
92
90
88
86
84
82
80
0
0
0
ENCODE = 80MSPS @ AIN = –1dBFS
TEMP = 25°C
ENCODE = 80MSPS @ AIN = –1dBFS
TEMP = –40°C, +25°C, +85°C
Figure 10. Signal-to-Noise Ratio (SNR) vs. Frequency
ENCODE = 80MSPS @ AIN = –1dBFS
TEMP = –40°C, +25°C, +85°C
20
10
10
40
T = +85°C
ANALOG INPUT FREQUENCY (MHz)
20
ANALOG FREQUENCY (MHz)
60
20
FREQUENCY (MHz)
80
30
30
100
T = +25°C
T = –40°C
40
40
120
T = –40°C, +85°C
140
50
50
160
T = +25°C
60
60
180
200
70
70
Rev. D | Page 10 of 24
100
120
110
100
120
110
100
95
90
85
80
75
70
65
60
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
–90
0
–90
0
ENCODE = 80MSPS @ AIN = –1dBFS
TEMP = 25°C
ENCODE = 80MSPS
AIN = 30.5MHz
ENCODE = 80MSPS
AIN = 69.1MHz
Figure 13. Harmonics vs. Analog Frequency (IF)
20
–80
–80
Figure 14. Single-Tone SFDR @ 30.5 MHz
Figure 15. Single-Tone SFDR @ 69.1 MHz
(SECOND, THIRD)
40
ANALOG INPUT POWER LEVEL (dBFS)
–70
ANALOG INPUT POWER LEVEL (dBFS)
–70
HARMONICS
ANALOG FREQUENCY (MHz)
60
–60
–60
80
WORST OTHER SPUR
–50
–50
100
dBc
dBc
–40
–40
SFDR = 90dB
REFERENCE LINE
120
SFDR = 90dB
REFERENCE LINE
–30
dBFS
–30
140
dBFS
–20
–20
160
180
–10
–10
200
0
0

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