AD6641 Analog Devices, AD6641 Datasheet - Page 15

• Manufacturer Part Number: AD6641
• Description: 250 MHz Bandwidth DPD Observation Receiver
• Manufacturer: Analog Devices

TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.9 V, DRVDD = 1.9 V, rated sample rate, T
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
Figure 11. 16k Point Single-Tone FFT; 500 MSPS, 100.4 MHz
Figure 12. 16k Point Single-Tone FFT; 500 MSPS, 140.4 MHz
Figure 10. 16k Point Single-Tone FFT; 500 MSPS, 30.4 MHz
0
0
0
0
0
0
20
20
20
40
40
40
60
60
60
80 100 120
80 100 120
80 100 120
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
140 160 180 200 220 240
140 160 180 200 220 240
140 160 180 200 220 240
500MSPS
100.4MHz @ –1.0dBFS
SNR: 64.9dB
ENOB: 10.6 BITS
SFDR: 86dBc
500MSPS
30.4MHz @ –1.0dBFS
SNR: 64.9dB
ENOB: 10.7 BITS
SFDR: 87dBc
500MSPS
140.4MHz @ –1.0dBFS
SNR: 64.7dB
ENOB: 10.6 BITS
SFDR: 84dBc
A
= 25°C, 1.5 V p-p differential input, A
Rev. 0 | Page 15 of 28
Figure 15. Single-Tone SNR/SFDR vs. Input Frequency (f
–100
–120
–100
–120
Figure 13. 16k Point Single-Tone FFT; 491.52 MSPS, 368.0 MHz
Figure 14. 16k Point Single-Tone FFT; 491.52 MSPS, 450.1 MHz
–20
–40
–60
–80
–20
–40
–60
–80
95
90
85
80
75
70
65
60
55
50
0
0
0
0
0
SNR (dBFS), +85°C
20
20
SNR (dBFS), –40°C
40
40
100
IN
ANALOG INPUT FREQUENCY (MHz)
= −1 dBFS, unless otherwise noted.
SFDR (dBc), –40°C
60
60
80 100 120
80 100 120
FREQUENCY (MHz)
FREQUENCY (MHz)
SFDR (dBc), +25°C
200
500 MSPS
SFDR (dBc), +85°C
SNR (dBFS), +25°C
140 160 180 200 220 240
140 160 180 200 220 240
300
491.52MSPS
368.0MHz @ –1.0dBFS
SNR: 63.8dB
ENOB: 10.5 BITS
SFDR: 77dBc
491.52MSPS
450.1MHz @ –1.0dBFS
SNR: 63.3dB
ENOB: 10.4 BITS
SFDR: 76dBc
IN
400
) and Temperature;
AD6641
500