AD6645 Analog Devices, AD6645 Datasheet - Page 9

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AD6645

Manufacturer Part Number
AD6645
Description
14-Bit, 80 MSPS/105 MSPS A/D Converter
Manufacturer
Analog Devices
Datasheet

Specifications of AD6645

Resolution (bits)
14bit
# Chan
1
Sample Rate
105MSPS
Interface
Par
Analog Input Type
Diff-Uni
Ain Range
2.2 V p-p
Adc Architecture
Pipelined
Pkg Type
QFP

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TYPICAL PERFORMANCE CHARACTERISTICS
–100
–110
–120
–130
–100
–110
–120
–130
–100
–110
–120
–130
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
0
0
0
ENCODE = 80MSPS
AIN = 29.5MHz @ –1dBFS
SNR = 74.5dB
SFDR = 93.0dBc
5
2
5
5
5
3
Figure 5. Single Tone @ 15.5 MHz
Figure 6. Single Tone @ 29.5 MHz
Figure 4. Single Tone @ 2.2 MHz
3
4
10
10
10
5
6
5
6
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
15
6
4
20
20
20
2
ENCODE = 80MSPS
AIN = 2.2MHz @ –1dBFS
SNR = 75.0dB
SFDR = 93.0dBc
ENCODE = 80MSPS
AIN = 15.5MHz @ –1dBFS
SNR = 75.0dB
SFDR = 93.0dBc
25
25
25
30
30
30
2
3
35
35
35
4
40
40
40
Rev. D | Page 9 of 24
–100
–110
–120
–130
–100
–110
–120
–130
–100
–110
–120
–130
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
–10
–20
–30
–40
–50
–60
–70
–80
–90
0
0
0
0
0
0
ENCODE = 80MSPS
AIN = 200MHz @ –1dBFS
SNR = 72.0dB
SFDR = 64.0dBc
2
5
5
5
Figure 7. Single Tone @ 69.1 MHz
Figure 8. Single Tone @ 150 MHz
Figure 9. Single Tone @ 200 MHz
4
10
10
10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
15
15
6
15
6
2
20
20
20
2
ENCODE = 80MSPS
AIN = 150MHz @ –1dBFS
SNR = 73.0dB
SFDR = 70.0dBc
ENCODE = 80MSPS
AIN = 69.1MHz @ –1dBFS
SNR = 73.5dB
SFDR = 89.0dBc
25
25
25
3
5
6
30
30
30
5
3
3
4
35
35
35
AD6645
4
5
40
40
40

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