AD6657A Analog Devices, AD6657A Datasheet - Page 14

• Manufacturer Part Number: AD6657A
• Description: 65MHz Bandwidth Quad IF Receiver
• Manufacturer: Analog Devices

TYPICAL PERFORMANCE CHARACTERISTICS
AVDD = 1.8 V, DRVDD = 1.8 V, sample rate = 185 MSPS, 1.75 V p-p differential input, VIN = −1.0 dBFS, 32,000 sample, T
unless otherwise noted.
AD6657A
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
185MSPS
70.3MHz @ –1dBFS
SNR = 65.5dB (66.5dBFS)
SFDR = 88dBc
9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50
9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50
9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50
THIRD HARMONIC
Figure 5. Single Tone FFT, f
Figure 6. Single Tone FFT, f
Figure 7. Single Tone FFT, f
SECOND HARMONIC
THIRD HARMONIC
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
THIRD HARMONIC
SECOND HARMONIC
185MSPS
10.3MHz @ –1dBFS
SNR = 65.6dB (66.6dBFS)
SFDR = 94.0dBc
185MSPS
50.3MHz @ –1dBFS
SNR = 65.6dB (66.6dBFS)
SFDR = 92.0dBc
IN
IN
IN
SECOND HARMONIC
= 10.3 MHz
= 50.3 MHz
= 70.3 MHz
Rev. 0 | Page 14 of 36
–100
–120
–100
–120
–100
–120
–20
–40
–60
–80
–20
–40
–60
–80
–20
–40
–60
–80
0
0
0
0
0
0
9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50
9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50
9.25 18.50 27.75 37.00 46.25 55.50 64.75 74.00 83.25 92.50
Figure 10. Single Tone FFT, f
Figure 8. Single Tone FFT, f
Figure 9. Single Tone FFT, f
SECOND HARMONIC
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
THIRD HARMONIC
THIRD HARMONIC
THIRD HARMONIC
IN
IN
185MSPS
140.3MHz @ –1dBFS
SNR = 65.4dB (66.4dBFS)
SFDR = 90dBc
185MSPS
200.3MHz @ –1dBFS
SNR = 64.9dB (65.9dBFS)
SFDR = 84dBc
185MSPS
230.3MHz @ –1dBFS
SNR = 66.1dB (65.1dBFS)
SFDR = 84dBc
IN
= 140.3 MHz
= 200.3 MHz
= 230.3 MHz
SECOND HARMONIC
SECOND HARMONIC
Data Sheet
A
= 25°C,