New Products: Direct-digital synthesizer
Specifically designed for wireless, handheld equipment, the AD9913 is the first direct-digital synthesizer to deliver a 250-MHz clock rate while consuming 50 mW of power.
The device includes a 10-bit
high-speed DAC, 0.058 Hz or better
frequency resolution, 0.022°
phase-tuning resolution, eight
frequency or phase offset profiles,
and operates on 1.8 V. Phase noise ≤
–135 dBc/Hz at 1-kHz offset with the
DAC output and <115 dBc/Hz when
using the onboard PLL multiplier.
The IC also has a programmable
modulus in the frequency equation,
a dynamic performance of >80-dB
SFDR at 100-MHz (±100-kHz offset)
at AOUT, and comes in a 32-pin leadframe
chip-scale package (LFCSP).
Analog Devices, Inc., 804 Woburn
St., Wilmington, MA 01887, (800)
262-5643, analog.com