www.
DataSheet.
co.
kr
c;bSo
(~1-
G v-
,.
ANALOG W DEVICES
s -:--
I17t:J 700 '8'
H-V 9'&::sO
85 MHzDirect Digital Synthesizer AD9955
I
FEATURES 100 MHz Typical/8S MHz Minimum Clock Rate 32-Bit Phase Accumulator 12-Bit Sine Output 90 dB Spurious Free Dynamic Range Continuous Frequency Update On-Board Data Ready Signal APPLICATIONS Frequency Synthesizers DDS Tuning Digital Demodulation FM Modulators
GENERAL DESCRIPTION The AD99SS is a 100 MHz direct digital synthesizer for frequency synthesis applications.
It comprises a 32-bit phase accumulator and a IS-bit phase-to-12-bit sine amplitude converter.
The control logic is
CMOS compatible, and the clock input is TTL.
CMOS outputs are ...