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TI DAC targets industrial, portable process controls

Posted: 06 Nov 2002 ?? ?Print Version ?Bookmark and Share

Keywords:texas instruments? dac8534? burr brown? dac? digital signal conversion?

Texas Instruments Inc. has expanded its Burr-Brown product line with the addition of the DAC8534 16-bit quad DAC that is targeted at portable, low-power systems such as industrial process control, portable instrumentation, closed-loop monitoring and control, data acquisition, and PC peripherals.

The device is available in a TSSOP-16 package - 66 percent smaller than competing products - and uses a single 2.7V to 5.5V supply while drawing 950?A at 5V. It also offers a per-channel power-down mode, accessed over a flexible serial interface, which reduces maximum supply current to 1?A. A power-on reset circuit is also integrated to ensure that the DAC power up at 0V and remain there until a valid write occurs.

Settling time is 10?s within 0.003 percent of the full-scale output range, while ac and dc crosstalk is -100dB.

The DAC8534 uses a three-wire serial interface compatible with standard SPI, QSPI, and Microwire interfaces, as well as TI's TMS320 DSP family. It is capable of clock frequencies up to 30MHz and supports simultaneous or sequential output channel updating (up to 16 channels).

Suggested resale pricing is $9.75 in 1,000 piece quantities.

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