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8/10/12/14位MSPS数字模拟转换器ad9704/ad9705/ad9706/ad9707数据表
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The AD9704/AD9705/AD9706/AD9707 are the fourth-generation family in the TxDAC series of high performance， CMOS digital-toanalog converters （DACs）。 This pin-compatible， 8-/10-/12-/14-bit resolution family is optimized for low power operation， while maintaining excellent dynamic performance. The AD9704/ AD9705/AD9706/AD9707 family is pin-compatible with the AD9748/AD9740/AD9742/AD9744 family of TxDAC converters and is specifically optimized for the transmit signal path of communication systems. All of the devices share the same interface， LFCSP_VQ package， and pinout， providing an upward or downward component selection path based on performance， resolution， and cost. The AD9704/AD9705/AD9706/AD9707 offers exceptional ac and dc performance， while supporting update rates up to 175 MSPS. The flexible power supply operating range of 1.7 V to 3.6 V and low power dissipation of the AD9704/AD9705/AD9706/AD9707 parts make them well suited for portable and low power applications. Power dissipation of the AD9704/AD9705/AD9706/AD9707 can be reduced to 15 mW， with a small trade-off in performance， by lowering the full-scale current output. In addition， a power-down mode reduces the standby power dissipation to approximately 2.2 mW.The AD9704/AD9705/AD9706/AD9707 has an optional serial peripheral interface （SPI®） that provides a higher level of programmability to enhance performance of the DAC. An adjustable output， common-mode feature allows for easy interfacing to other components that require common modes from 0 V to 1.2 V. Edge-triggered input latches and a 1.0 V temperature-compensated band gap reference have been integrated to provide a complete， monolithic DAC solution. The digital inputs support 1.8 V and 3.3 V CMOS logic families.
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