AD6643-250EBZ Analog Devices, AD6643-250EBZ Datasheet - Page 18

• Manufacturer Part Number: AD6643-250EBZ
• Description: Data Conversion IC Development Tools 11 Bit Dual IF Diversity 3G Receiver
• Manufacturer: Analog Devices
• Type: ADCr
• Series: AD6643r

Specifications of AD6643-250EBZ

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: AD6643-250
• Interface Type: SPI, USB
• Operating Supply Voltage: 6 V
• Description/function: 250 MSPs per channel dual IF receiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Operating Supply Current: 2 A
• Factory Pack Quantity: 1
• For Use With: HSC-ADC-EVALCZ

AD6643
Figure 26. AD6643-250 Single Tone SNR/SFDR vs. Input Amplitude (A
–100
–120
–140
–100
–120
–140
–20
–40
–60
–80
120
100
–20
–40
–60
–80
80
60
40
20
–100
0
0
0
Figure 24. AD6643-250 Single Tone FFT, f
Figure 25. AD6643-250 Single Tone FFT, f
0
0
10
10
–90
20
20
–80
30
30
SECOND HARMONIC
SFDR (dBc)
–70
INPUT AMPLITUDE (dBFS)
40
40
SNR (dBFS)
FREQUENCY (MHz)
f
FREQUENCY (MHz)
IN
–60
50
50
= 90.1 MHz
SFDR (dBFS)
THIRD HARMONIC
60
60
–50
70
70
–40
250MSPS
220.1MHz @ –1.0dBFS
SNR = 64.6dB (65.6dBFS)
SFDR = 85dBc
250MSPS
305.1MHz @ –1.0dBFS
SNR = 64.4dB (65.4dBFS)
SFDR = 80dBc
80
80
SECOND HARMONIC
–30
SNR (dBc)
THIRD HARMONIC
IN
IN
90
90
= 220.1 MHz
= 305.1 MHz
–20
100
100
110
110
–10
120
120
0
IN
) with
Rev. C | Page 18 of 40
Figure 28. AD6643-250 Two Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 29. AD6643-250 Two Tone SFDR/IMD3 vs. Input Amplitude (A
Figure 27. AD6643-250 Single Tone SNR/SFDR vs. Input Frequency (f
–100
–120
–100
–120
100
–20
–40
–60
–80
–20
–40
–60
–80
95
90
85
80
75
70
65
60
0
0
–90
–90
60
90
–80
–80
120 150 180 210 240 270 300 330 360 390
f
IN1
f
IN1
–70
–70
= 184.12 MHz, f
IMD3 (dBc)
IMD3 (dBc)
= 89.12 MHz, f
INPUT AMPLITUDE (dBFS)
INPUT AMPLITUDE (dBFS)
V
–60
–60
FREQUENCY (MHz)
REF
= 1.75 V p-p
SFDR (dBc)
SFDR (dBc)
SFDR (dBc)
SNR (dBFS)
SFDR (dBFS)
SFDR (dBFS)
IMD3 (dBFS)
–50
IMD3 (dBFS)
–50
IN2
IN2
= 92.12 MHz
= 187.12 MHz
–40
–40
–30
–30
Data Sheet
–20
–20
–10
–10
IN
IN
) with
) with
IN
),