AD9244-EVAL Analog Devices, AD9244-EVAL Datasheet - Page 13

• Manufacturer Part Number: AD9244-EVAL
• Description: 14-Bit/ 40/65 MSPS Monolithic A/D Converter
• Manufacturer: Analog Devices

REV. PrD 01/22/02
TPC30. Undersampling Performance of AD9244, f
TPC31. Undersampling Performance of AD9244, f
TPC32. Undersampling Performance of AD9244, Driving ADC Inputs with Transformer and Balun
95
90
85
80
75
70
65
60
55
100
-100
-110
-120
90
80
70
60
50
40
-10
-20
-30
-40
-50
-60
-70
-80
-90
-24
0
-24
0
4
TYPICAL PERFORMANCE CHARACTERISTICS - AD9244
-19
-19
AD9244 with F
(2 V Input Span-Differential, Ain=-8.5 dBFS)
8
AD9244 - SINAD/SFDR vs. A
AD9244 - SNR/SFDR vs. A
-14
-14
IN
12
= 240 MHz and F
CLK
CLK
A
Frequency (MHz)
A
IN
SNR=73 dBFS
THD=-89.5 dBFS
SINAD=72.7 dBFS
IN
-dBFS
=65MSPS, Driving ADC Inputs with Transformer and Balun
=65MSPS, Driving ADC Inputs with Transformer and Balun
-dBFS
–13–
16
-9
-9
IN
IN
at F
CLK
at F
20
=65 MSPS
IN
IN
=240 MHz
=190 MHz
-4
24
-4
Note: Spur Floor Below 90
dBc @ 240 MHz!
28
1
1
32
SINAD-dBc
SINAD-dBFS
SFDR-dBc
SFDR-dBFS
SNR-dBc
SNR-dBFS
SFDR-dBc
SFDR-dBFS