Programmable dual 12-bit voltage output DAC

In This Issue
Networking
Bringing switching to the desktop

   DSP Solutions
TI DSP Solutions: Your spectrum
   to success
TI unveils new R&D facility
   named in honor of IC inventor
The chip that Jack built changed
   the world
TI pegs $100M for DSP
   development
TI announces $25M college
   research fund focused on
   DSP research

Mixed-Signal and Analog
Another step toward all-digital
High-speed, light-to-voltage
converters
Sign on for Sine-On

   Teamwork
TI, Ariel join to develop
   DSP products
TI licenses Rambus' memory
   technology
Philips, TI team to provide first
   co-op source for PicoGate
   logic products

App Report
Designing low-power applications
with the TMS320LC54x

   News Briefs
Programmable dual 12-bit voltage
   output DAC
'AD50 evaluation kit
Power distribution switch
16 Mbit SDRAM
PMOS low dropout voltage
   regulator
3-V LDO regulator and voltage
   supervisor
CCD digital imaging sensor

Training

Trade Shows

Programmable dual 12-bit voltage output DAC

A new programmable dual 12-bit voltage output digital-to-analog converter (DAC) offering high speed and low power is now available from Texas Instruments. This device, which expands TIÕs DAC product family, is well-suited for applications such as digital servos, machine and motion controls and communications systems.

This device, designated the TLC5618, features programmable settling time versus power dissipation for power-sensitive applications. In fast mode, the device has a settling time of 2.5uS and dissipates 8mW of power. In slow mode, the power dissipation is reduced to 3mW and settling time is increased to 12.5uS. A software programmable power-down mode further reduces supply current to 1uA. A 3-wire serial interface is provided for easy interface to DSPs and microcontrollers. The serial data is specified for operation up to 20 MHz clock rate, meeting the needs of new high-speed serial ports. The 16-bit digital data input can be updated at rates up to 1.2 MHz.

The TLC5618 is now available from TI and its authorized distributors.

TLC5618	8-pin SOIC	$4.20
TLC5618	8-pin DIP	$4.20

Suggested resale pricing in U.S. dollars in 1K quantity.

TLC5618 features and benefits

Dual analog outputs
Performs the functions of two DACs in one 8-pin package.
Simultaneous updates
Gives maximum flexibility to the designer of a multiple DAC design as both analog outputs can be updated at the same time with either the same code or with a different code.
Programmable power/speed
Lets the engineer optimize the system performance versus power consumed as required by the application.
Programmable power-down
Allows the system to save power when conversions are required, resulting in longer battery life in portable applications.
Buffered reference input
Gives the engineer more ease in designing the reference generator circuitry because the source impedance of the reference can be relatively high with low drive requirements.