AD7248AAQ AD [Analog Devices], AD7248AAQ Datasheet
AD7248AAQ
Related parts for AD7248AAQ
AD7248AAQ Summary of contents
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FEATURES 12-Bit CMOS DAC with Output Amplifier and Reference Improved AD7245/AD7248 Operation 1/2 LSB Linearity Grade Faster Interface–30 ns typ Data Setup Time Extended Plastic Temperature Range (– +85 C) Single or ...
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AD7245A/AD7248A–SPECIFICATIONS AGND = DGND = 1OO pF. All specifications Parameter STATIC PERFORMANCE Resolution 3 Relative Accuracy @ + MIN MAX MIN ...
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SWITCHING CHARACTERISTICS Parameter A, B Versions + MIN MAX + MIN MAX + ...
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... This grade will be available to /883B processing only. AD7248A ORDERING GUIDE Temperature l Model Range AD7248AAN – +85 C AD7248ABN – +85 C AD7248AAQ – + AD7248ATQ – +125 C AD7248AAP – +85 C AD7248AAR – +85 C AD7248ABR – +85 C NOTES 1 To order MIL-STD-883, Class B, processed parts, add /883B to part number ...
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Pin Mnemonic Description l V Negative Supply Voltage (0 V for single SS supply operation Bipolar Offset Resistor. This provides OFS access to the on-chip application resistors and allows different output voltage ranges. 3 REF OUT Reference Output. ...
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AD7245A/AD7248A Pin Mnemonic Description l V Negative Supply Voltage (0 V for single SS supply operation Bipolar Offset Resistor. This provides OFS access to the on-chip application resistors and allows different output voltage ranges. 3 REF OUT Reference ...
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Power Supply Current vs. Temperature Noise Spectral Density vs. Frequency Positive-Going Settling Time ( – REV. A Typical Performance–AD7245A/AD7248A Reference Voltage vs. Temperature Power Supply Rejection Ration vs. Frequency Negative Going Settling ...
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AD7245A/AD7248A CIRCUIT INFORMATION D/A SECTION The AD7245A/AD7248A contains a 12-bit voltage mode digi- tal-to-analog converter. The output voltage from the converter has the same positive polarity as the reference voltage allowing single supply operation. The reference voltage for the DAC ...
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The data held in the DAC latch determines the analog output of the converter. Data is latched into the DAC latch on the rising edge of LDAC. This LDAC signal is an asynchronous signal and is independent of WR. This ...
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AD7245A/AD7248A the simultaneous updating of multiple AD7248A outputs. How- ever, in systems where the asynchronous LDAC can occur dur- ing a write cycle (or vice versa) care must be taken to ensure that incorrect data is not latched through to ...
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BIPOLAR CONFIGURATION The bipolar configuration for the AD7245A/AD7248A, which gives an output voltage range from – achieved by connecting the R input to REF OUT and connecting R OFS and V . The AD7245A/AD7248A must ...
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AD7245A/AD7248A The circuit of Figure 10 can be modified to provide a program- mable current source to AGND or –V SINK plies are required on the AD7245A/AD7248A). The AD7245A/ AD7248A is configured as before. The current through R1 is mirrored ...
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In a multiple DAC system the double buffering of the AD7245A allows the user to simultaneously update all DACs. In Figure 13, a 12-bit word is loaded to the input latches of each of the DACs in sequence. Then, with ...
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AD7245A/AD7248A Figure 16. AD7248A to 68008 Interface An interface circuit for connections to the 6502 or 6809 micro- processors is shown in Figure 17. Once again, the AD7248A is memory mapped and data is right justified. The procedure for writing ...
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SOIC (R-24) Package 28-Terminal Leadless Ceramic Chip Carrier (E-28A) REV. A MECHANICAL INFORMATION—AD7245A OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 24-Pin Plastic DIP (N-24) –15– AD7245A/AD7248A 24-Pin Cerdip (Q-24) 28-Terminal Plastic Leaded Chip Carrier (P-28A) ...
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AD7245A/AD7248A 20-Lead SOIC (R-20) MECHANICAL INFORMATION —AD7248A OUTLINE DIMENSIONS Dimensions shown in inches and (mm). 20-Pin Plastic DIP (N-20) 20-Pin Cerdip (Q-20) –16– 20-Terminal Plastic Leaded Chip Carrier (P-20A) REV. A ...