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MFG:ADI D/C:09
Part Number: AD9788
MFG: ADI
D/C: 09
Description: The AD9785/AD9787/AD9788 are 12-bit, 14-bit, and 16-bit, high dynamic range TxDAC® devices, respec...
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AD9788
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DataSheet
General Description
AD9788 General Description
The AD9785/AD9787/AD9788 are 12-bit, 14-bit, and 16-bit, high dynamic range TxDAC® devices, respectively, that provide a sample rate of 800 MSPS, permitting multicarrier generation up to the Nyquist frequency. Features are included for optimizing direct conversion transmit applications, including complex digital modulation, as well as gain, phase, and offset compens-ation. The DAC outputs are optimized to interface seamlessly with analog quadrature modulators, such as the ADL537x family from Analog Devices, Inc. A serial peripheral interface (SPI) provides for programming and readback of many internal parameters. Full-scale output current can be programmed over a range of 10 mA to 30 mA. The AD978x family is manufactured on a 0.18 m CMOS process and operates from 1.8 V and 3.3 V supplies. It is enclosed in a 100-lead TQFP package.
AD9788 Maximum Ratings
| Parameter | Rating |
| AVDD33 to AGND, DGND, CGND DVDD33, DVDD18, CVDD18 to AGND, DGND, CGND AGND to DGND, CGND DGND to AGND, CGND CGND to AGND, DGND I120, VREF, IPTAT to AGND OUT1_P, OUT1_N, OUT2_P, OUT2_N, AUX1_P, AUX1_N, AUX2_P, AUX2_N to AGND P1D[15] to P1D[0], P2D[15] to P2D[0] to DGND DATACLK, TXENABLE to DGND REFCLK+, REFCLK−, RESET, IRQ, PLL_LOCK, SYNC_O+, SYNC_O−, SYNC_I+, SYNC_I− to CGND RESET, IRQ, PLL_LOCK, SYNC_O+, SYNC_O−, SYNC_I+, SYNC_I−, SPI_CSB, SCLK, SPI_SDIO, SPI_SDO to DGND Junction Temperature Storage Temperature Range |
−0.3 V to +3.6 V −0.3 V to +2.1 V −0.3 V to +0.3 V −0.3 V to +0.3 V −0.3 V to +0.3 V −0.3 V to AVDD33 + 0.3 V −1.0 V to AVDD33 + 0.3 V −0.3 V to DVDD33 + 0.3 V −0.3 V to DVDD33 + 0.3 V −0.3 V to CVDD18 + 0.3 V −0.3 V to DVDD33 + 0.3 V 125°C −65°C to +150°C |
AD9788 Features
`Analog output: adjustable 8.7 mA to 31.7 mA, RL = 25 to 50
`Low power, fine complex NCO allows carrier placement anywhere in DAC bandwidth while adding <300 mW power
`Auxiliary DACs allow I and Q gain matching and offset control
`Includes programmable I and Q phase compensation
`Internal digital upconversion capability
`Multiple chip synchronization interface
`High performance, low noise PLL clock multiplier
`Digital inverse sinc filter
`100-lead, exposed paddle TQFP package
`Low power, fine complex NCO allows carrier placement anywhere in DAC bandwidth while adding <300 mW power
`Auxiliary DACs allow I and Q gain matching and offset control
`Includes programmable I and Q phase compensation
`Internal digital upconversion capability
`Multiple chip synchronization interface
`High performance, low noise PLL clock multiplier
`Digital inverse sinc filter
`100-lead, exposed paddle TQFP package
AD9788 Typical Application
·Wireless infrastructure WCDMA, CDMA2000, TD-SCDMA, WiMAX, GSM
·Digital high or low IF synthesis
·Transmit diversity
·Wideband communications LMDS/MMDS, point-to-point
·Digital high or low IF synthesis
·Transmit diversity
·Wideband communications LMDS/MMDS, point-to-point
AD9788 Connection Diagram
AD9788-EBZ
PDF/DataSheet Download
- Datasheet: AD9788-EBZ
- File Size: 1274766 KB
- Manufacturer: AD
- Click here to Download
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AD9788 Relative Products
AD9787-EBZ
BOARD EVALUATION FOR AD9787
AD9787BSVZRL
IC DAC 14BIT 800MSPS 100TQFP
AD9787BSVZ
IC DAC 14BIT 800MSPS 100TQFP
AD9787
The AD9785/AD9787/AD9788 are 12-bit, 14-bit, and 16-bit, high dynamic range TxDAC® devices, respectively, that provide a sample rate of 800 MSPS, permitting multicarrier generation up to the Nyquist frequency. Features are included for optimizing direct ...
AD9786-EBZ
BOARD EVALUATION FOR AD9786
AD9786-EB
BOARD EVALUATION FOR AD9786
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