dac0890 National Semiconductor Corporation, dac0890 Datasheet
dac0890
Available stocks
Related parts for dac0890
dac0890 Summary of contents
Page 1
... DAC0890 Dual 8-bit mP-Compatible Digital-to-Analog Converter General Description The DAC0890 is a complete dual 8-bit voltage output digital- to-analog converter that can operate on a single 5V supply It includes on-chip output amplifiers precision bandgap volt- age reference and full microprocessor interface Each DAC0890 output amplifier has two externally select- ...
Page 2
... Soldering Information J package (10 sec ) Storage Temperature 20V Junction Temperature Operating Ratings Temperature Range MIN MAX DAC0890CIJ 2000V Positive Supply Voltage V Indefinite MIN MAX Typical Conditions (Note ...
Page 3
... Note 4 The sum of the currents at all pins that are driven beyond the power supply voltages should not exceed 20 mA Note 5 The maximum power dissipation must be derated at elevated temperatures and is dictated by T allowable power dissipation at any temperature and for the DAC0890CIJ are 125 C and respectively JMAX JA Part Number ...
Page 4
Typical Performance Characteristics Fullscale Drift vs Temperature Fullscale Dac to Dac Tracking vs Temperature Write Time vs Temperature Offset Drift Integral Linearity vs Temperature vs Temperature Analog Crosstalk Power Supply Rejection vs Temperature vs Temperature Data Threshold Control Threshold vs ...
Page 5
Typical Performance Characteristics Supply Current vs Temperature Minimum Supply Voltage vs Temperature (10 2V Range) Short Circuit Current Digital Input Current vs Temperature vs Temperature Minimum Supply Voltage vs Temperature Max Power Dissipation (2 55V Range) vs Temperature Power Supply ...
Page 6
Timing Waveforms 10592 – 5 ...
Page 7
Connection Diagram Pin Description DB0 – DB7 (1 – 8) These pins are data inputs for each of the internal 8-bit DACs DB0 is the least-sig- nificant-bit WR (9) This is the WRITE command input pin This input is used ...
Page 8
... Functional Description The DAC0890 is a monolithic dual 8-bit bipolar Digital-to-An- alog converter comprising six major functional blocks de- signed to operate on a single supply as low These include two latch DAC combinations two high-speed output amplifiers band-gap reference and control interface logic The two internal 8-bit DACs use equal valued current sourc- es Controlled by a corresponding bit in the input data each current source’ ...
Page 9
... Applications Information Full-Scale Output Voltage Range Selection The DAC0890 has been designed for ease of use All refer- ence voltage and output amplifier connections are internal All trims such as full-scale (gain) and zero (offset) are per- formed during manufacturing Therefore no external trim- ...
Page 10
... See Figure 4 FIGURE 4 Improving Negative Slew Rate Bipolar Operation While the DAC0890 was designed to operate on a single positive supply voltage and generate a unipolar output volt- age bipolar operation is still possible if a negative supply is available or added As shown in Figure 5 the output voltage ...
Page 11
11 ...
Page 12
... National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications Cerdip Dual-In-Line Package (J) Order Number DAC0890CIJ NS Package Number J20A 2 A critical component is any component of a life ...