GENERAL DESCRIPTION
The AD97091 is a dual-port, high speed, 2-channel, 8-bit CMOS DAC. It integrates two high quality 8-bit TxDAC+® cores, a voltage reference, and digital interface circuitry into a small 48-lead LQFP package. The AD9709 offers exceptional ac and dc performance while supporting update rates of up to 125 MSPS.
FEATURES
8-bit dual transmit digital-to-analog converter (DAC)
125 MSPS update rate
Excellent SFDR to Nyquist @ 5 MHz output: 66 dBc
Excellent gain and offset matching: 0.1%
Fully independent or single-resistor gain control
Dual port or interleaved data
On-chip 1.2 V reference
Single 5 V or 3.3 V supply operation
Power dissipation: 380 mW @ 5 V
Power-down mode: 50 mW @ 5 V
48-lead LQFP
APPLICATIONS
Communications
Base stations
Digital synthesis
Quadrature modulation
3D ultrasound