10/28/2002 - Texas Instruments (TI) announced a 16-bit quad digital-to-analog converter (DAC) from the company´s Burr-Brown product line which offers miniature package size and low-power operation. This low-cost data converter is ideal for portable, low-power systems such as industrial process control, portable instrumentation, closed-loop monitoring and control, data acquisition and PC peripherals.
The DAC8534 utilizes a single 2.7V to 5.5V supply and consumes only 950uA of power at 5V. The device also offers a per-channel power-down mode, accessed over a flexible serial interface, which reduces maximum supply current to a mere 1uA. A power-on reset circuit ensures that the DACs power up at zero volts and remain there until a valid write occurs.
"The DAC8534 stands alone in the industry as the smallest, lowest power quad channel 16-bit DAC. By reducing package size and cost by 66% versus the nearest competition, TI has established a new price/performance point in the DAC market," said David Russell, strategic marketing engineer for TI's DAC products.
The DAC8534 features true 16-bit monotonic performance, 10us settling time within +/-0.003% of the full-scale output range, and -100dB AC and DC crosstalk performance. Each on-chip precision output amplifier allows rail-to-rail output performance.
The device uses a versatile three-wire serial interface compatible with standard SPITM, QSPITM, and MicrowireTM interfaces, as well as TI´s TMS320TM DSP family. It is capable of clock frequencies up to 30MHz and supports simultaneous or sequential output channel updating (up to 16 channels).
The DAC8534 comes in a TSSOP-16 package and is available now from TI and its authorized distributors. Suggested resale pricing is $9.75 in 1,000 piece quantities.
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