AD5764RBSUZ-REEL7 Analog Devices Inc, AD5764RBSUZ-REEL7 Datasheet
AD5764RBSUZ-REEL7
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AD5764RBSUZ-REEL7 Summary of contents
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FEATURES Complete quad, 16-bit digital-to-analog converter (DAC) Programmable output range: ±10 V, ±10.2564 V, or ±10.5263 V ±1 LSB maximum INL error, ±1 LSB maximum DNL error Low noise: 60 nV/√Hz Settling time: 10 μs maximum Integrated reference buffers Internal ...
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AD5764R TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Functional Block Diagram .............................................................. 3 Specifications ..................................................................................... 4 AC Performance Characteristics ................................................ 6 Timing Characteristics ................................................................ 7 Absolute Maximum Ratings .......................................................... 10 ...
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FUNCTIONAL BLOCK DIAGRAM AV AV PGND AD5764R DGND 16 SDIN INPUT SHIFT SCLK REGISTER AND SYNC CONTROL LOGIC SDO D0 D1 BIN/2sCOMP CLR AV AV REFOUT REFGND DD SS REFERENCE 5V REFERENCE 16 INPUT DATA REG ...
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AD5764R SPECIFICATIONS −11 −16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external 2 ...
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Parameter 2 DIGITAL INPUTS Input High Voltage Input Low Voltage Input Current Pin Capacitance 2 DIGITAL OUTPUTS (D0, D1, SDO) Output Low Voltage Output High Voltage Output Low Voltage Output High Voltage High Impedance Leakage Current ...
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AD5764R AC PERFORMANCE CHARACTERISTICS −11 −16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external 2.7 ...
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TIMING CHARACTERISTICS −11 −16.5 V, AGND = DGND = REFGND = PGND = 0 V; REFAB = REFCD = 5 V external 2 ...
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AD5764R Timing Diagrams SCLK SYNC t 7 SDIN DB23 LDAC VOUTx LDAC = 0 VOUTx CLR VOUTx SCLK SYNC t 7 DB23 SDIN SDO LDAC ...
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SCLK SYNC DB23 SDIN INPUT WORD SPECIFIES REGISTER TO BE READ SDO UNDEFINED TO OUTPUT Figure 5. Load Circuit for SDO Timing Diagram 24 DB0 DB23 NOP CONDITION DB23 SELECTED REGISTER DATA CLOCKED OUT Figure 4. Readback Timing Diagram 200µA ...
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AD5764R ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. Transient currents 100 mA do not cause SCR latch-up. Table 4. Parameter Rating AV to AGND, DGND −0 + AGND, ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 6. Pin Function Descriptions Pin No. Mnemonic Description 1 SYNC Active Low Input. This is the frame synchronization signal for the serial interface. While SYNC is low, data is transferred in on the falling ...
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AD5764R Pin No. Mnemonic Description 22 VOUTB Analog Output Voltage of DAC B. Buffered output with a nominal full-scale output range of ±10 V. The output amplifier is capable of directly driving a 10 kΩ, 200 pF load. 23 VOUTA ...
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TYPICAL PERFORMANCE CHARACTERISTICS 1.0 0.8 0.6 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 0 10,000 20,000 30,000 40,000 DAC CODE Figure 7. Integral Nonlinearity Error vs. DAC Code ± 1 25°C ...
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AD5764R 0.15 0.10 0.05 0 –0.05 –0.10 –0. 25°C A –0. ±15V REFIN –0.25 –40 – TEMPERATURE (°C) Figure 13. Differential Nonlinearity Error vs. Temperature ...
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T = 25°C A 0.4 0.2 0 –0.2 –0.4 –0.6 –0.8 –1.0 –1.2 –1.4 –1 REFERENCE VOLTAGE (V) Figure 19. Total Unadjusted Error vs. Reference Voltage ±16 ...
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AD5764R 7000 T = 25° REFIN 6000 5000 4000 3000 2000 1000 0 –1000 –10 –5 0 SOURCE/SINK CURRENT (mA) Figure 25. Source and Sink Capability of Output Amplifier with Positive Full Scale Loaded 10,000 T ...
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(kΩ) ISCC Figure 31. Short-Circuit Current vs 25° CH1 ...
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AD5764R 5.003 5.002 5.001 5.000 4.999 4.998 4.997 –40 – TEMPERATURE (°C) Figure 37. Reference Output Voltage vs. Temperature 20 DEVICES SHOWN 60 80 100 Figure 38. Reference Output Temperature Drift (−40°C to +85°C) Rev ...
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TERMINOLOGY Relative Accuracy or Integral Nonlinearity (INL) For the DAC, a measure of the maximum deviation, in LSBs, from a straight line passing through the endpoints of the DAC transfer function. Differential Nonlinearity (DNL) The difference between the measured change ...
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AD5764R Digital Crosstalk A measure of the impulse injected into the analog output of one DAC from the digital inputs of another DAC but is measured when the DAC output is not updated specified in nanovolt- seconds (nV-sec) ...
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THEORY OF OPERATION The AD5764R is a quad, 16-bit, serial input, bipolar voltage output DAC that operates from supply voltages of ±11 ±16.5 V and has a buffered output voltage ±10.5263 V. Data is written ...
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AD5764R 68HC11* MOSI SDIN SCK SCLK PC7 SYNC PC6 LDAC MISO SCLK SYNC LDAC SCLK SYNC LDAC *ADDITIONAL PINS OMITTED FOR CLARITY. Figure 40. Daisy-Chaining the AD5764R Daisy-Chain Operation For systems that contain several devices, the SDO pin can be ...
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See Figure 41 for a simplified block diagram of the DAC load circuitry. I/V AMPLIFIER 16-BIT REFAB, REFCD DAC DATA LDAC REGISTER INPUT REGISTER SCLK INTERFACE SYNC LOGIC SDIN Figure 41. Simplified Serial Interface of Input Loading Circuitry for One ...
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AD5764R REGISTERS Table 9. Input Shift Register Format MSB DB23 DB22 DB21 R/W 0 REG2 Table 10. Input Shift Register Bit Function Descriptions Register Bit Description R/W Indicates a read from or a write to the addressed register REG2, REG1, ...
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DATA REGISTER The data register is addressed by setting the three REG bits to 010. The DAC address bits select the DAC channel with which the data transfer takes place (see Table 10). The data bits are positioned in DB15 ...
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AD5764R OFFSET REGISTER The offset register is addressed by setting the three REG bits to 101. The DAC address bits select the DAC channel with which the data transfer takes place (see Table 10). The AD5764R offset register is an ...
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DESIGN FEATURES ANALOG OUTPUT CONTROL In many industrial process control applications vital that the output voltage be controlled during power-up and during brownout conditions. When the supply voltages are changing, the VOUTx pins are clamped ...
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AD5764R APPLICATIONS INFORMATION TYPICAL OPERATING CIRCUIT Figure 43 shows the typical operating circuit for the AD5764R. The only external components needed for this precision 16-bit DAC are decoupling capacitors on the supply pins and reference inputs, and an optional short-circuit ...
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TEMP BIN/2sCOMP +5V SYNC 1 SYNC SCLK SCLK 2 SDIN 3 SDIN SDO SDO 4 AD5764R CLR 5 LDAC LDAC ...
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AD5764R LAYOUT GUIDELINES In any circuit where accuracy is important, careful considera- tion of the power supply and ground return layout helps to ensure the rated performance. Design the PCB on which the AD5764R is mounted such that the analog ...
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EVALUATION BOARD The AD5764R comes with a full evaluation board to help designers evaluate the high performance of the part with a minimum of effort. All that is required to run the evaluation board is a power supply and a ...
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... VIEW A ROTATED 90° CCW ORDERING GUIDE Model Function 1 AD5764RBSUZ Quad 16-Bit DAC 1 AD5764RBSUZ-REEL7 Quad 16-Bit DAC AD5764RCSUZ 1 Quad 16-Bit DAC 1 AD5764RCSUZ-REEL7 Quad 16-Bit DAC 1 EVAL-AD5764REBZ RoHS Compliant Part. ©2008–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners ...