AD6640AST Analog Devices Inc, AD6640AST Datasheet - Page 10

IC ADC 12BIT 65MSPS 44-LQFP

AD6640AST

Manufacturer Part Number
AD6640AST
Description
IC ADC 12BIT 65MSPS 44-LQFP
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD6640AST

Rohs Status
RoHS non-compliant
Function
A/D Converter
Rf Type
Cellular/PCS, GPS
Secondary Attributes
12 Bit, 65MSPS
Package / Case
44-LQFP

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AD6640
TPC 15. IF Sampling at 70 MHz without Dither
–100
–120
–100
–120
–20
–40
–60
–80
100
–20
–40
–60
–80
90
80
70
60
50
40
30
20
10
0
0
–80
0
50
dc
ENCODE = 50MSPS
AIN = 65.5MHz, 68.5MHz
NO DITHER
ENCODE = 65MSPS
AIN = 19.5MHz @ –36dBFS
NO DITHER
TPC 13. 16K FFT without Dither
–70
TPC 14. SFDR without Dither
ENCODE = 65MSPS
AIN = 19.5MHz
NO DITHER
6.5
ANALOG INPUT POWER LEVEL – dBFS
55
SFDR = 80dB
REFERENCE LINE
–60
FILTER MASK
ANALOG IF
FREQUENCY – MHz
FREQUENCY – MHz
–50
ALIASED
SIGNALS
13.0
60
–40
19.5
65
–30
–20
26.0
70
–10
32.5
75
0
–30
–60
–90
0
–120
–10–
–100
–120
TPC 18. IF Sampling at 70 MHz with Dither
100
–100
–120
–20
–40
–60
–80
90
80
70
60
50
40
30
20
10
–20
–40
–60
–80
0
–80
0
0
dc
50
ENCODE = 50MSPS
AIN = 65.5MHz, 68.5MHz
DITHER = –32.5dBm
–70
TPC 16. 16K FFT with Dither
TPC 17. SFDR with Dither
ENCODE = 65MSPS
AIN = 19.5MHz
DITHER = –32.5dBm
ANALOG INPUT POWER LEVEL – dBFS
6.5
55
–60
SFDR = 80dB
REFERENCE LINE
ANALOG IF
FILTER MASK
–50
FREQUENCY – MHz
FREQUENCY – MHz
13.0
ALIASED
SIGNALS
60
–40
ENCODE = 65MSPS
AIN = 19.5MHz @ –36dBFS
DITHER = –32.5dBm
19.5
–30
65
–20
26.0
70
–10
32.5
0
75
REV. A
0
–30
–60
–90
–120

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