DAC0832LCN 8-Bit Multiplying DAC 1μs Settling Time ±10V Output 20mW Power DIP-20 0°C to +70°C

DAC0832LCN

FEATURES

• Double-Buffered, Single-Buffered or Flow Through Digital Data Inputs

• EasyInterchange 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.

• Workswith ±10V Reference-Full 4-Quadrant Multiplication

• CanBeUsedin 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 SOIC or PLCC Package

KEY SPECIFICATIONS

• Current Settling Time: 1 μs

• Resolution: 8 bits

• Linearity: 8, 9, or 10 bits (Ensured Over Temp.)

• Gain Tempco: 0.0002% FS/°C

• LowPowerDissipation: 20 mW

• Single Power Supply: 5 to 15 VDC

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).

INFORMATION

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