DAC8248AW Analog Devices, DAC8248AW Datasheet
DAC8248AW
Related parts for DAC8248AW
DAC8248AW Summary of contents
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... For designs with a 12-bit or 16-bit wide data path, choose the DAC8222 or DAC8221. REV. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use ...
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DAC8248–SPECIFICATIONS ELECTRICAL CHARACTERlSTICS T = Full Temp Range specified in Absolute Maximum Ratings; unless otherwise noted. Specifications apply for DAC A and DAC B.) A Parameter STATIC ACCURACY Resolution Relative Accuracy Differential Nonlinearity 1 Full-Scale Gain Error Gain Temperature Coefficient ...
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Parameter Symbol Switching Characteristics (Notes 2, 8) LSB/MSB Select to Write Set-Up Time t CBS LSB/MSB Select to Write Hold Time t CBH DAC Select to Write Set-Up Time t AS DAC Select to Write Hold Time t AH LDAC ...
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... AW Version . . . . . . . . . . . . . . . . . . . . . . . – +125 C EW, FW, FP Versions . . . . . . . . . . . . . . . . – +85 C GP, HP, HS Versions . . . . . . . . . . . . . . . . . . . +70 C Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . +150 C Storage Temperature . . . . . . . . . . . . . . . . . . – +150 C Lead Temperature (Soldering, 60 sec +300 C Relative Accuracy Model (+ + DAC8248AW 1/2 LSB DAC8248EW 1/2 LSB DAC8248GP 1/2 LSB DAC8248FW 1 LSB DAC8248HP 1 LSB DAC8248FP ...
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Die Size 0.124 0.132 inch, 16,368 sq. mils (3.15 3.55 mm, 10.56 sq. mm) WAFER TEST LIMITS @ + Parameter Symbol Relative Accuracy INL Differential Nonlinearity DNL 1 Full-Scale Gain Error G ...
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DAC8248 –Typical Performance Characteristics Channel-to-Channel Matching (DAC A & B are Superimposed) Nonlinearity vs. V REF Nonlinearity vs. Code (DAC A & B are Superimposed) Differential Nonlinearity vs. V REF Nonlinearity vs. V REF Nonlinearity vs. Code ...
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Full-Scale Gain Error vs. Temperature Supply Current vs. Logic Input Voltage Output Leakage Current vs. Temperature REV. B Logic Input Threshold Voltage vs. Supply Voltage ( Multiplying Mode Frequency Response vs. Digital Code Analog Crosstalk vs. Frequency –7– ...
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DAC8248 Four Cycle Update PARAMETER DEFINITIONS RESOLUTION (N) The resolution of a DAC is the number of states (2 full-scale range (FSR) is divided (or resolved) into; where n is equal to the number of bits. RELATIVE ACCURACY (INL) Relative ...
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Figure 2. N-Channel Current Steering Switch The binary-weighted currents are switched between I AGND by the transistor switches. Selection between I AGND is determined by the digital input code important to keep the voltage difference between I nals ...
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DAC8248 Figure 4. Four Cycle Update Timing Diagram Figure 5. Five Cycle Update Timing Diagram –10– REV. B ...
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AUTOMATIC DATA TRANSFER MODE Data may be transferred automatically from the input register to the DAC register. The first cycle loads the first data byte into the input register; the second cycle loads the second data byte and simultaneously transfers ...
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DAC8248 INTERFACE CONTROL LOGIC PIN FUNCTIONS LSB/MSB – (PIN 17) LEAST SIGNIFICANT BIT (Active Low)/ MOST SIGNIFICANT BIT (Active High). Selects lower 8-bits (LSBs) or upper 4-bits (MSBs); either can be loaded first used with the WR signal ...
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DAC’s digital inputs with 0000 0000 0000 and adjusting the op amp’s offset voltage rec- ommended that the op amp offset voltage be adjusted to less than 10 LSB (244 ...
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DAC8248 ground as shown in Figure 9. The output voltage will be be- tween +5 V and +10 V depending on the digital input code. The output expression is given by (D/4096)(V OUT OS where V = ...
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Figure 10. Single Supply Operation (Voltage Switching Mode) Figure 11. Digitally-Programmable Window Detector (Upper/Lower Limit Detector) MICROPROCESSOR INTERFACE CIRCUITS The DAC8248s versatile loading structure allows direct inter- face to an 8-bit microprocessor. Its simplicity reduces the num- ber of required ...
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Figure 12. DAC8248 to MC6809 Interface 0.200 (5.08) 0.200 (5.08) 0.125 (3.18) 24-Lead Plastic DIP (N-24) 1.275 (32.30) 1.125 (28.60 0.280 (7.11) 0.240 (6.10 PIN 1 0.060 (1.52) 0.210 0.015 (0.38) (5.33) MAX 0.200 (5.05) 0.125 ...