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General Description

The DAC0808 is an 8-bit monolithic digital-to-analog converter

(DAC) featuring a full scale output current settling time

of 150 ns while dissipating only 33 mW with ±5V supplies.

No reference current (IREF) trimming is required for most

applications since the full scale output current is typically ±1

LSB of 255 IREF/256. Relative accuracies of better than

±0.19% assure 8-bit monotonicity and linearity while zero

level output current of less than 4 μA provides 8-bit zero

accuracy for IREF32 mA. The power supply currents of the

DAC0808 is independent of bit codes, and exhibits essentially

constant device characteristics over the entire supply

voltage range.

The DAC0808 will interface directly with popular TTL, DTL or

CMOS logic levels, and is a direct replacement for the

MC1508/MC1408. For higher speed applications, see

DAC0800 data sheet.

Features

Relative accuracy: ±0.19% error maximum

Full scale current match: ±1 LSB typ

Fast settling time: 150 ns typ

Noninverting digital inputs are TTL and CMOS

compatible

High speed multiplying input slew rate: 8 mA/μs

Power supply voltage range: ±4.5V to ±18V

Low power consumption: 33 mW @ ±5V