AD5623RBRMZ-3 Analog Devices Inc, AD5623RBRMZ-3 Datasheet
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AD5623RBRMZ-3
Specifications of AD5623RBRMZ-3
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AD5623RBRMZ-3 Summary of contents
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FEATURES Low power, smallest pin-compatible, dual nanoDAC AD5663R: 16 bits AD5643R: 14 bits AD5623R: 12 bits User-selectable external or internal reference External reference default On-chip 1.25 V/2 ppm/°C reference 10-lead MSOP and 3 mm × LFCSP ...
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AD5623R/AD5643R/AD5663R TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 AD5623R-5/AD5643R-5/AD5663R-5 ....................................... 3 AD5623R-3/AD5643R-3/AD5663R-3 ....................................... 5 AC Characteristics........................................................................ 6 Timing Characteristics ................................................................ ...
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SPECIFICATIONS AD5623R-5/AD5643R-5/AD5663R 4 5 kΩ to GND Table 2. Parameter 2 STATIC PERFORMANCE AD5663R Resolution Relative Accuracy Differential Nonlinearity AD5643R Resolution Relative Accuracy Differential Nonlinearity AD5623R Resolution Relative Accuracy ...
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AD5623R/AD5643R/AD5663R Parameter 3 LOGIC INPUTS Input Current Input Low Voltage (V ) INL Input High Voltage (V ) INH Pin Capacitance POWER REQUIREMENTS (Normal Mode 4 5 ...
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AD5623R-3/AD5643R-3/AD5663R 2 3 kΩ to GND Table 3. Parameter 2 STATIC PERFORMANCE AD5663R Resolution Relative Accuracy Differential Nonlinearity AD5643R Resolution Relative Accuracy Differential Nonlinearity AD5623R Resolution Relative Accuracy Differential ...
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AD5623R/AD5643R/AD5663R Parameter 3 LOGIC INPUTS Input Current V , Input Low Voltage INL V , Input High Voltage INH Pin Capacitance POWER REQUIREMENTS (Normal Mode 2 3 ...
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TIMING CHARACTERISTICS All input signals are specified with 2 5.5 V; all specifications T DD Table 5. Limit MIN MAX Parameter 5.5 V ...
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AD5623R/AD5643R/AD5663R ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 6. Parameter V to GND GND OUT GND REFIN REFOUT Digital Input Voltage to GND Operating Temperature Range Industrial Storage Temperature Range ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 7. Pin Function Descriptions Pin No. Mnemonic Description Analog Output Voltage from DAC A. The output amplifier has rail-to-rail operation. OUT Analog Output Voltage from DAC B. The ...
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AD5623R/AD5643R/AD5663R TYPICAL PERFORMANCE CHARACTERISTICS REF 25° –2 –4 –6 –8 – 10k 15k 20k 25k 30k 35k 40k 45k 50k 55k 60k 65k ...
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2.5V REFOUT T = 25° –2 –4 –6 –8 – 10k 15k 20k 25k 30k 35k 40k 45k 50k 55k 60k 65k CODE Figure 10. ...
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AD5623R/AD5643R/AD5663R 1.25V 8 REFOUT T = 25° –2 –4 –6 –8 – 10k 15k 20k 25k 30k 35k 40k 45k 50k 55k 60k 65k CODE Figure ...
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REF –2 –4 –6 –8 –40 – TEMPERATURE (°C) Figure 22. INL Error and DNL Error vs. Temperature ...
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AD5623R/AD5643R/AD5663R 1 25°C A 0.5 ZERO-SCALE ERROR 0 –0.5 –1.0 –1.5 –2.0 –2.5 2.7 3.2 3.7 4.2 V (V) DD Figure 28. Zero-Scale Error and Offset Error vs. Supply 25° ...
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T = 25° REFIN 0.25 0. REFIN 0.15 0.10 0.05 0 –40 – TEMPERATURE (°C) Figure 34. Supply Current vs. Temperature V ...
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AD5623R/AD5643R/AD5663R 2.496 2.494 2.492 2.490 2.488 2.486 2.484 2.482 2.480 2.478 2.476 2.474 2.472 2.470 2.468 2.466 2.464 V REFOUT 2.462 T = 25°C A 2.460 5ns/SAMPLE NUMBER 2.458 ANALOG CROSSTALK = 4.462nV 2.456 0 50 ...
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REF 25° CAPACITANCE (nF) Figure 46. Settling Time vs. Capacitive Load ...
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AD5623R/AD5643R/AD5663R TERMINOLOGY Relative Accuracy or Integral Nonlinearity (INL) For the DAC, relative accuracy or integral nonlinearity is a measurement of the maximum deviation, in LSBs, from a straight line passing through the endpoints of the DAC transfer function. A typical ...
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Digital Crosstalk Digital crosstalk is the glitch impulse transferred to the output of one DAC at midscale in response to a full-scale code change (all 0s to all 1s and vice versa) in the input register of another DAC. It ...
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AD5623R/AD5643R/AD5663R THEORY OF OPERATION DIGITAL-TO-ANALOG SECTION The AD5623R/AD5643R/AD5663R DAC is fabricated on a CMOS process. The architecture consists of a string DAC followed by an output buffer amplifier. Figure 49 shows a block diagram of the DAC architecture ...
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At this stage, the SYNC line can be kept low or be brought high. In either case, it must be brought high for a minimum before the next write sequence, so that a falling edge of SYNC ...
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AD5623R/AD5643R/AD5663R POWER-ON RESET The AD5623R/AD5643R/AD5663R contain a power-on reset circuit that controls the output voltage during power-up. The AD5623R/AD5643R/AD5663R DACs output power and the output remains there until a valid write sequence is made to the ...
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Table 13. 24-Bit Input Shift Register Contents of Power Up/Down Function MSB DB23 to DB22 DB21 DB20 DB19 DB18 Don’t Command bits (C2 to C0) Address bits (A2 to A0) care Don’t care Table 14. ...
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AD5623R/AD5643R/AD5663R INTERNAL REFERENCE SETUP The on-chip reference is off at power-up by default. This reference can be turned on or off by setting a software programmable bit, DB0, in the control register. Table 16 shows how the state of the ...
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MICROPROCESSOR INTERFACING AD5623R/AD5643R/AD5663R to Blackfin® ADSP-BF53X Interface Figure 56 shows a serial interface between the AD5623R/ AD5643R/AD5663R and the Blackfin ADSP-BF53X processor. The ADSP-BF53X processor family incorporates two dual-channel synchronous serial ports, SPORT1 and SPORT0, for serial and multiprocessor communications. ...
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AD5623R/AD5643R/AD5663R APPLICATIONS INFORMATION USING A REFERENCE AS A POWER SUPPLY Because the supply current required by the AD5623R/AD5643R/ AD5663R is extremely low, an alternative option is to use a voltage reference to supply the required voltage to the parts (see ...
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POWER SUPPLY BYPASSING AND GROUNDING When accuracy is important in a circuit helpful to carefully consider the power supply and ground return layout on the board. The printed circuit board containing the AD5663R should have separate analog and ...
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AD5623R/AD5643R/AD5663R OUTLINE DIMENSIONS PIN 1 INDEX AREA 0.80 0.75 0.70 SEATING PLANE IDENTIFIER 3.10 3.00 SQ 2.90 6 0.50 0.40 0.30 5 TOP VIEW BOTTOM VIEW 0.05 MAX 0.02 NOM 0.30 0.20 REF 0.25 0.20 Figure 63. 10-Lead Lead Frame ...
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... AD5623RBCPZ-3R2 −40°C to +105°C AD5623RBCPZ-3REEL7 −40°C to +105°C AD5623RBCPZ-5REEL7 −40°C to +105°C AD5623RBRMZ-3 −40°C to +105°C AD5623RBRMZ-3REEL7 −40°C to +105°C AD5623RBRMZ-5 −40°C to +105°C AD5623RBRMZ-5REEL7 −40°C to +105°C AD5643RBRMZ-3 −40°C to +105°C AD5643RBRMZ-3REEL7 − ...
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AD5623R/AD5643R/AD5663R NOTES Rev Page ...
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NOTES AD5623R/AD5643R/AD5663R Rev Page ...
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AD5623R/AD5643R/AD5663R NOTES ©2006–2011 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05858-0-4/11(D) Rev Page ...