DAC0802LCMX Datasheet

DAC0800 - 8-Bit D/A Converter, Package: Soic Narrow, Pin Nb=16


Features, Applications

The DAC0800 series are monolithic 8-bit high-speed current-output digital-to-analog converters (DAC) featuring typical settling times of 100 ns. When used as a multiplying DAC, monotonic performance over to 1 reference current range is possible. The DAC0800 series also features high compliance complementary current outputs to allow differential output voltages of 20 Vp-p with simple resistor loads as shown in Figure 1. The reference-to-full-scale current matching of better than � 1 LSB eliminates the need for full-scale trims in most applications while the nonlinearities of better than � 0.1% over temperature minimizes system error accumulations. The noise immune inputs of the DAC0800 series will accept TTL levels with the logic threshold pin, VLC, grounded. Changing the VLC potential will allow direct interface to other logic families. The performance and characteristics of the device are essentially unchanged over the full � 18V power supply range; power dissipation is only 33 mW with � 5V supplies and is independent of the logic input states. The DAC0802, DAC0800C and DAC0802C are a direct replacement for the DAC-08A, DAC-08C, and DAC-08H, respectively.


Fast settling output current: 100 ns Full scale error: � 1 LSB Nonlinearity over temperature: � 0.1% Full scale current drift: � 10 ppm/�C High output compliance: to +18V Complementary current outputs Interface directly with TTL, CMOS, PMOS and others 2 quadrant wide range multiplying capability Wide power supply range: � 18V Low power consumption: � 5V Low cost

Typical Applications
FIGURE � 20 VP-P Output Digital-to-Analog Converter (Note 5)

Non-Linearity Temperature Range DAC0800LJ DAC0800LCJ Order Numbers J Package (J16A) (Note 1) N Package (N16E) (Note 1) SO Package DAC-08HP DAC0802LCM

Note 1: Devices may be ordered by using either order number.

If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Supply Voltage (V+ - V-) Power Dissipation (Note 3) Reference Input Differential Voltage to V15) Reference Input Common-Mode Range (V14, V15) Reference Input Current Logic Inputs Analog Current Outputs (VS- = -15V) ESD Susceptibility (Note 4)

Storage Temperature Lead Temp. (Soldering, 10 seconds) Dual-In-Line Package (plastic) Dual-In-Line Package (ceramic) Surface Mount Package Vapor Phase (60 seconds) Infrared (15 seconds)

The following specifications apply for � 15V, IREF 2 mA and TMIN TA TMAX unless otherwise specified. Output characteristics refer to both IOUT and IOUT.

DAC0802LC Symbol Parameter Resolution Monotonicity Nonlinearity ts Settling Time � 1/2 LSB, All Bits Switched "ON" or "OFF", DAC0800L DAC0800LC tPLH, tPHL TCIFS VOC IFS4 IFSS IZS IFSR Propagation Delay Each Bit All Bits Switched Full Scale Tempco Output Voltage Compliance Full Scale Current Full Scale Symmetry Zero Scale Current Output Current Range Logic Input Levels VIL VIH IIL IIH VIS VTHR I15 dl/dt PSSIFS+ PSSIFS- Logic "0" Logic "1" Logic Input Current Logic "0" Logic "1" Logic Input Swing Logic Threshold Range Reference Bias Current Reference Input Slew Rate Power Supply Sensitivity (Figure 4.5VV+18V -4.5VV-18V IREF =1mA 4.0 VLC V �A mA/�s VLC -18V 0 Full Scale Current Change =25�C ns ppm/�C ns 100 Conditions Min 8 Typ 8 Max 8 Min DAC0800L/ DAC0800LC Typ 8 Max 8 Bits %FS ns Units

The following specifications apply for � 15V, IREF 2 mA and TMIN TA TMAX unless otherwise specified. Output characteristics refer to both IOUT and IOUT.

DAC0802LC Symbol Parameter Power Supply Current =5V, -15V, IREF � 15V, IREF I- PD Power Dissipation mW mA Conditions Min � 5V, IREF =1 mA Typ Max Min DAC0800L/ DAC0800LC Typ Max Units

Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. DC and AC electrical specifications do not apply when operating the device beyond its specified operating conditions. Note 3: The maximum junction temperature of the DAC0800 and is 125�C. For operating at elevated temperatures, devices in the Dual-In-Line J package must be derated based on a thermal resistance of 100�C/W, junction-to-ambient, 175�C/W for the molded Dual-In-Line N package and 100�C/W for the Small Outline M package. Note 4: Human body model, 100 pF discharged through 1.5 k resistor. Note 5: Pin-out numbers for the DAC080X represent the Dual-In-Line package. The Small Outline package pin-out differs from the Dual-In-Line package.



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