AD9850 Maximum Ratings
Maximum Junction Temperature . . . . . . . . . . . . . .+165°C
VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6 V
Digital Inputs . . . . . . . . . . . . . . . . . . . . . . . 0.7 V to +VS
Digital Output Continuous Current . . . . . . . . . . . . . . 5 mA
DAC Output Current . . . . . . . . . . . . . . . . . . . . . . . . 30 mA
Storage Temperature . . . . . . . . . . . . . 65°C to +150°C
Operating Temperature . . . . . . . . . . . . .40°C to +85°C
Lead Temperature (Soldering 10 sec) . . . . . . . . . .+300°C
SSOP JA Thermal Impedance . . . . . . . . . . . . . . . . 82°C/W
AD9850 Features
125 MHz Clock Rate
On-Chip High Performance DAC and High Speed
Comparator
DAC SFDR > 50 dB @ 40 MHz AOUT
32-Bit Frequency Tuning Word
Simplified Control Interface: Parallel Byte or Serial
Loading Format
Phase Modulation Capability
+3.3 V or +5 V Single Supply Operation
Low Power: 380 mW @ 125 MHz (+5 V)
Low Power: 155 mW @ 110 MHz (+3.3 V)
Power-Down Function
Ultrasmall 28-Lead SSOP Packaging
AD9850 Typical Application
Frequency/PhaseAgile Sine-Wave Synthesis
Clock Recovery and Locking Circuitry for Digital
Communications
Digitally Controlled ADC Encode Generator
Agile Local Oscillator Applications
AD9850 Connection Diagram
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