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AD9789BBCZ Datasheet(PDF) 16 Page - Analog Devices

Part # AD9789BBCZ
Description  14-Bit, 2400 MSPS RF DAC with 4-Channel Signal Processing
PDF  76 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD9789BBCZ Datasheet(HTML) 16 Page - Analog Devices

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AD9789
Rev. A | Page 16 of 76
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FREQUENCY (MHz)
DOCSIS3
–40°C
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+85°C
Figure 32. ACLR Performance over Temperature, 4-Channel QAM,
fOUT = 200 MHz, fDAC = 2.3 GHz, Full-Scale Current = 25 mA, Sum Scale = 20
(DOCSIS SPEC Is −67 dBc; Harmonic Exception Is −63 dBc)
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fOUT (MHz)
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Figure 33. Second-Order Harmonic Performance vs. fOUT over Temperature,
4-Channel QAM, fDAC = 2.3 GHz, Full-Scale Current = 25 mA, Sum Scale = 20
(DOCSIS SPEC Is −67 dBc; Harmonic Exception Is −63 dBc)
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fOUT (MHz)
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65°C
85°C
Figure 34. Noise Floor vs. fOUT over Temperature (ACLR Measured Beyond 30 MHz),
4-Channel QAM, fDAC = 2.3 GHz, Full-Scale Current = 25 mA, Sum Scale = 20
(DOCSIS SPEC Is −67 dBc)
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FREQUENCY (MHz)
DOCSIS3
–40°C
0°C
+25°C
+85°C
Figure 35. ACLR Performance over Temperature, 4-Channel QAM,
fOUT = 800 MHz, fDAC = 2.3 GHz, Full-Scale Current = 25 mA, Sum Scale = 20
(DOCSIS SPEC Is −67 dBc)
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fOUT (MHz)
DOCSIS3
25°C
65°C
85°C
Figure 36. Third-Order Harmonic Performance vs. fOUT over Temperature,
4-Channel QAM, fDAC = 2.3 GHz, Full-Scale Current = 25 mA, Sum Scale = 20
(DOCSIS SPEC Is −67 dBc; Harmonic Exception Is −63 dBc)
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2.3GHz
2.2GHz
2.4GHz
Figure 37. ACLR Performance over fDAC, 4-Channel QAM, fOUT = 850 MHz,
Full-Scale Current = 25 mA, Temperature = 25°C, Sum Scale = 20
(DOCSIS SPEC Is −67 dBc)



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