AD9830

(TA = +25°C unless otherwise noted)
AVDD to AGND . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
DVDD to DGND . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
AVDD to DVDD . . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.3 V
AGND to DGND . . . . . . . . . . . . . . . . . . . . .0.3 V to +0.3 V
Digital I/O Voltage to DGND . . . . . 0.3 V to DVDD + 0.3 V
Analog I/O Voltage to AGND . . . . . 0.3 V to AVDD + 0.3 V
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . 65°C to +150°C

Maximum Junction Temperature . . . . . . . . . . . . . .+150°C
TQFP _JA Thermal Impedance . . . . . . . . . . . . . . . .75°C/W
Lead Temperature, Soldering
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . +215°C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . +220°C

This DDS device AD9830 is a numerically controlled oscillator em-ploying a phase accumulator, a sine look-up table and a 10-bit D/A converter integrated on a single CMOS chip.Modulation capabilities are provided for phase modulation and frequency modulation.Clock rates up to 50 MHz are supported. Frequency accu-racy can be controlled to one part in 4 billion. Modulation
is effected by loading registers through the parallel micro-processor interface.

A power-down pin allows external control of a power-down mode. The part is available in a 48-pin TQFP package.