AD9912ABCPZ-REEL7

1 GSPS直接数字频率合成器， 14位DAC 1 GSPS Direct Digital Synthesizer with 14-Bit DAC

* 1 GSPS internal clock speed up to 400 MHz output directly * Integrated 1 GSPS 14-bit DAC * 48-bit frequency tuning word with 4 μHz resolution * Differential HSTL comparator * Flexible system clock input accepts either crystal or externalreference clock * On-chip low noise PLL REFCLK multiplier * 2 SpurKiller channels * Low jitter clock doubler for frequencies up to 750 MHz * Single-ended CMOS comparator; frequencies of * Programmable output divider for CMOS output * Serial I/O control * Excellent dynamic performance * Software controlled power-down * Available in two 64-lead LFCSP packages * Residual phase noise @ 250 MHz * 10 Hz offset: -113 dBc/Hz * 1 kHz offset: -133 dBc/Hz * 100 kHz offset: -153 dBc/Hz * 40 MHz offset: -161 dBc/Hz