AD6654 Analog Devices, AD6654 Datasheet - Page 22

• Manufacturer Part Number: AD6654
• Description: 14-Bit, 92.16 MSPS, 4 & 6-Channel Wideband IF to Base Band Receiver
• Manufacturer: Analog Devices

Specifications of AD6654

• Resolution (bits): 14bit
• # Chan: 1
• Sample Rate: 92.16MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Adc Architecture: Subranging
• Pkg Type: BGA,CSP

AD6654
TYPICAL PERFORMANCE CHARACTERISTICS
Figure 21. CDMA Single Tone AIN = 70 MHz; ENC = 92.16 MSPS
–105
–120
–135
–150
–15
–30
–45
–60
–75
–90
Figure 19. ADC Noise vs. Analog Frequency (46.08 MHz BW)
100
120
110
76
75
74
73
72
71
70
90
80
70
60
50
40
30
20
10
0
0
–90
10
AIN = –1dBFS
SNR = 89dB (1.25MHz BW)
32k FFT
ENCODE = 92.16MSPS
AIN = –1dBFS
ENCODE = 92.16MSPS
AIN = 37.7MHz
TEMPERATURE = 25°C
–80
30
Figure 20. Single Tone SFDR at 37.7 MHz
ANALOG INPUT POWER LEVEL (dBFS)
50
–70
+85°C
70
–60
AIN FREQUENCY (MHz)
FREQUENCY (Hz)
90
–50
110
dBc
dBFS
SFDR = 90dB
REFERENCE LINE
–40
130
+25°C
–30
150
–25°C
–20
170
–10
190
0
Rev. 0 | Page 22 of 88
–105
–120
–135
–150
–15
–30
–45
–60
–75
–90
105
100
110
100
Figure 24. CDMA Carrier AIN = 70 MHz; ENC = 92.16 MSPS
95
90
85
80
75
70
65
60
90
80
70
60
50
40
30
20
10
0
0
–90
0
32k FFT
Figure 22. Harmonics vs. Analog Frequency (IF)
ENCODE = 92.16MSPS
AIN = –1dBFS
TEMPERATURE = 25 ° C
ENCODE = 92.16MSPS
AIN = 70MHz
TEMPERATURE = 25 ° C
20
–80
Figure 23. Single Tone SFDR at 70 MHz
40
ANALOG INPUT POWER LEVEL (dBFS)
–70
ANALOG INPUT FREQUENCY (MHz)
60
–60
FREQUENCY (Hz)
80
–50
100
–40
dBc
120
SFDR = 90dB
REFERENCE LINE
(SECOND, THIRD)
WORST OTHER SPUR
–30
dBFS
HARMONICS
140
–20
160
–10
180
200
0