AD9276 Analog Devices, AD9276 Datasheet - Page 19

• Manufacturer Part Number: AD9276
• Description: Octal LNA/VGA/AAF/12-Bit ADC and CW I/Q Demodulator
• Manufacturer: Analog Devices

Specifications of AD9276

• Resolution (bits): 12bit
• # Chan: 8
• Sample Rate: 80MSPS
• Interface: LVDS,Ser
• Analog Input Type: SE-Uni
• Ain Range: 2 V p-p
• Adc Architecture: n/a
• Pkg Type: QFP

EQUIVALENT CIRCUITS
CLK+
CLK–
4LO+
4LO–
Figure 31. Equivalent LNA Output Circuit
Figure 32. Equivalent Clock Input Circuit
Figure 30. Equivalent LNA Input Circuit
Figure 33. Equivalent 4LO Input Circuit
LOSW-x
LG-x
LI-x,
LO-x,
AVDD1
AVDD1
AVDD2
AVDD2
AVDD2
AVDD2
350Ω
350Ω
350Ω
350Ω
10Ω
V
CM
15kΩ
10kΩ
10kΩ
10kΩ
10kΩ
AVDD2
1.25V
1.25V
Rev. 0 | Page 19 of 48
DOUTx–
Figure 36. Equivalent SCLK, PDWN, or STBY Input Circuit
OR STBY
PDWN,
SCLK,
SDIO
RESET
Figure 35. Equivalent Digital Output Circuit
Figure 37. Equivalent RESET Input Circuit
Figure 34. Equivalent SDIO Input Circuit
DRVDD
AVDD1
AVDD1
AVDD2
V
V
350Ω
DRGND
DRVDD
30kΩ
350Ω
350Ω
30kΩ
V
V
DRVDD
DOUTx+
AD9276