General Description

The DAC0830 is an advanced CMOS/Si-Cr 8-bit multiplying

DAC designed to interface directly with the 8080, 8048,

8085, Z80®, and other popular microprocessors. A deposited

silicon-chromium R-2R resistor ladder network divides the

reference current and provides the circuit with excellent

temperature tracking characteristics (0.05% of Full Scale

Range maximum linearity error over temperature). The circuit

uses CMOS current switches and control logic to

achieve low power consumption and low output leakage

current errors. Special circuitry provides TTL logic input voltage

level compatibility.

Double buffering allows these DACs to output a voltage

corresponding to one digital word while holding the next

digital word. This permits the simultaneous updating of any

number of DACs.

The DAC0830 series are the 8-bit members of a family of

microprocessor-compatible DACs (MICRO-DAC™).

Features

Double-buffered, single-buffered or flow-through digital

data inputs

Easy interchange and pin-compatible with 12-bit

DAC1230 series

Direct interface to all popular microprocessors

Linearity specified with zero and full scale adjust

only—NOT BEST STRAIGHT LINE FIT.

Works with ±10V reference-full 4-quadrant multiplication

Can be used in the voltage switching mode

Logic inputs which meet TTL voltage level specs (1.4V

logic threshold)

Operates “STAND ALONE” (without μP) if desired

Available in 20-pin small-outline or molded chip carrier

package