AD9861BCPZ-50 Analog Devices Inc, AD9861BCPZ-50 Datasheet - Page 20

• Manufacturer Part Number: AD9861BCPZ-50
• Description: IC FRONT-END MIXED SGNL 64-LFCSP
• Manufacturer: Analog Devices Inc

Specifications of AD9861BCPZ-50

• Rf Type: WLL, WLAN
• Features: 10-bit ADC(s), 10-bit DAC(s)
• Package / Case: 64-LFCSP
• Supply Voltage Range: 2.7V To 3.6V
• Logic Case Style: LFCSP
• No. Of Pins: 64
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 3 - 168 Hours
• Termination Type: SMD
• Interface: SPI
• No. Of Channels: 2
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD9861
Figure 64 to Figure 69 use the same input data to the Tx path, a 256-carrier OFDM signal over a 23 MHz bandwidth, centered at 23 MHz.
The center four carriers are removed from the signal to observe the in-band intermodulation distortion (IMD) from the DAC output.
Figure 64. AD9861 Tx Path FFT, 256-Carrier (Center Four Carriers Removed)
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OFDM Signal over 23 MHz Bandwidth, Centered at 7 MHz, with
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Figure 65. AD9861 Tx Path FFT, Lower-Band IMD Products of
Figure 66. AD9861 Tx Path FFT of OFDM Signal in Figure 52
10.5
9
0
20 mA Full-Scale Output into 60 Ω Differential Load
10.7
10
14
10.9
20
OFDM Signal in Figure 64
11.1
with 1× Interpolation
30
19
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
11.3
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11.5
24
50
11.7
60
11.9
29
70
12.1
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12.3
34
90
12.5
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Figure 68. AD9861 Tx Path FFT, Upper-Band IMD Products of
Figure 69. AD9861 Tx Path FFT of OFDM Signal in Figure 52
22.6
33.5
Figure 67. AD9861 Tx Path FFT, In-Band IMD Products of
0
33.7
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22.7
33.9
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22.8
OFDM Signal in Figure 64
OFDM Signal in Figure 64
34.1
with 4× Interpolation
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22.9
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
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40
23.0
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34.7
23.1
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90
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