EVAL-AD5445EBZ Analog Devices Inc, EVAL-AD5445EBZ Datasheet
EVAL-AD5445EBZ
Specifications of EVAL-AD5445EBZ
Related parts for EVAL-AD5445EBZ
EVAL-AD5445EBZ Summary of contents
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FEATURES 2 5.5 V supply operation Fast parallel interface (17 ns write cycle) Update rate of 20.4 MSPS INL of ±1 LSB for 12-bit DAC 10 MHz multiplying bandwidth ±10 V reference input Extended temperature range: –40°C to ...
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... Positive Output Voltage ............................................................. 19 Adding Gain ................................................................................ 20 DACs Used as a Divider or Programmable Gain Element ... 20 Reference Selection .................................................................... 21 Amplifier Selection .................................................................... 21 Parallel Interface ......................................................................... 22 Microprocessor Interfacing ....................................................... 22 PCB Layout and Power Supply Decoupling ................................ 23 Evaluation Board for the AD5424/AD5433/AD5445 ........... 23 Power Supplies for Evaluation Board ...................................... 23 Outline Dimensions ....................................................................... 28 Ordering Guide .......................................................................... 29 Rev Page ...
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SPECIFICATIONS Temperature range for Y version: −40°C to +125°C. All specifications T DD REF OUT otherwise noted. DC performance measured with OP177and ac performance ...
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AD5424/AD5433/AD5445 Parameter Output Capacitance I 1 OUT I 2 OUT Digital Feedthrough Analog THD Digital THD 50 kHz f OUT Output Noise Spectral Density SFDR Performance (Wide Band) Clock = 10 MHz 500 kHz f OUT 100 kHz f OUT ...
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TIMING CHARACTERISTICS All input signals are specified with (10 temperature range for Y version: −40°C to +125°C ; all specifications T ...
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AD5424/AD5433/AD5445 ABSOLUTE MAXIMUM RATINGS T = 25°C, unless otherwise noted. A Table 3. Parameter V to GND GND REF GND OUT OUT Logic Inputs and Output 1 Operating Temperature ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS OUT OUT 2 15 GND AD5424 DB7 R (Not to Scale) DB6 DB5 6 DB0 (LSB) 11 DB4 DB1 ...
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AD5424/AD5433/AD5445 OUT OUT 19 GND DB9 4 17 R/W DB8 5 AD5433 16 CS (Not to Scale) DB7 DB6 DB5 DB0 (LSB) ...
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TYPICAL PERFORMANCE CHARACTERISTICS 0. 25° 10V 0.15 REF 0.10 0.05 0 –0.05 –0.10 –0.15 –0. 100 150 CODE Figure 9. INL vs. Code (8-Bit DAC) 0 25°C ...
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AD5424/AD5433/AD5445 0.6 0.5 0.4 MAX INL 0.3 0.2 0.1 0 MIN INL –0.1 –0.2 –0 REFERENCE VOLTAGE Figure 15. INL vs. Reference Voltage, AD5445 –0. 25° –0.45 ...
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GAIN ERROR 0.1 0 –0.1 OFFSET ERROR –0.2 –0 25° REF –0 –0.5 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 V (V) BIAS Figure 21. Gain and Offset Errors ...
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AD5424/AD5433/AD5445 25°C A LOADING 100 1k 10k 100k FREQUENCY (Hz) Figure 27. Supply Current vs. Update Rate 6 ALL ...
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T = 25°C A 1.6 1 1.2 1 0.8 0.6 0.4 0.2 0 2.5 3.0 3.5 4.0 4.5 VOLTAGE (V) Figure 33. Threshold Voltages vs. Supply Voltage 25° ...
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AD5424/AD5433/AD5445 0 –10 –20 –30 –40 –50 –60 –70 –80 –90 –100 0 0.5 1.0 1.5 2.0 2.5 3.0 FREQUENCY (MHz) Figure 39. Wideband SFDR 500 kHz, Clock = 10 MHz OUT 0 –10 –20 –30 –40 –50 ...
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MCLK 10MHz – –80 –90 –100 FREQUENCY (kHz) Figure 45. Narrow-Band IMD kHz, 50 kHz, Clock = 10 MHz ...
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AD5424/AD5433/AD5445 TERMINOLOGY Relative Accuracy Relative accuracy or endpoint nonlinearity is a measure of the maximum deviation from a straight line passing through the endpoints of the DAC transfer function measured after adjusting zero scale and full scale and ...
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THEORY OF OPERATION The AD5424, AD5433, and AD5445 are 8-, 10-, and 12-bit current output DACs consisting of a standard inverting R-2R ladder configuration. A simplified diagram for the 8-bit AD5424 is shown in Figure 48. The matching feedback resistor ...
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AD5424/AD5433/AD5445 R1 V REF V REF ±10V DATA INPUTS NOTES AND R2 ARE USED ONLY IF GAIN ADJUSTMENT IS REQUIRED. ADJUST R1 FOR V 2. MATCHING AND TRACKING IS ESSENTIAL FOR RESISTOR PAIRS R3 AND R4 ...
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SINGLE-SUPPLY APPLICATIONS Current Mode Operation The current mode circuit in Figure 51 shows a typical circuit for operation with a single 2 supply biased positive by the amount applied to V OUT ...
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AD5424/AD5433/AD5445 ADDING GAIN In applications where the output voltage is required to be greater than V , gain can be added with an additional external IN amplifier or it can be achieved in a single stage important to ...
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Table 9. Suitable ADI Precision References Part No. Output Voltage (V) Initial Tolerance (%) ADR01 10 0.05 ADR01 10 0.05 ADR02 5 0.06 ADR02 5 0.06 ADR03 2.5 0.10 ADR03 2.5 0.10 ADR06 3 0.10 ADR06 3 0.10 ADR431 2.5 ...
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AD5424/AD5433/AD5445 Provided the DAC switches are driven from true wideband low impedance sources (V and AGND), they settle quickly. Conse- IN quently, the slew rate and settling time of a voltage switching DAC circuit is determined largely by the output ...
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... EVALUATION BOARD FOR THE AD5424/AD5433/AD5445 The board consists of a 12-bit AD5445 and a current-to-voltage amplifier, the AD8065. Included on the evaluation board reference, the ADR01. An external reference may also be applied via an SMB input. The evaluation kit consists of a CD-ROM with self-installing PC software to control the DAC ...
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... AD5424/AD5433/AD5445 Figure 59. Evaluation Board Schematic Rev Page ...
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... DB10 U1 DB9 U5 DB8 DB7 TP1 R5 DB6 DB5 C7 C2 DB4 R1 DB3 DB2 C6 DB1 DB0 C8 C5 LK1 CS RW EXT U4 J2 VREF C18 C14 CS R/W C17 C13 C19 C20 EVAL-AD5424/ AD5433/AD5445EB Figure 60. Silkscreen—Component-Side View Figure 61. Component-Side Artwork Rev Page AD5424/AD5433/AD5445 J1 OUTPUT C16 C15 P2 ...
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... AD5424/AD5433/AD5445 Table 12. Bill of Materials for AD5424/AD5433/AD5445 Evaluation Board Name Part Description C1, C2, C4, C6, C8 X7R Ceramic Capacitor C10, C12, C13 C15 X7R Ceramic Capacitor C3, C5, C9, C11, C14 Tantalum Capacitor, Taj Series C17, C19 X7R Ceramic Capacitor C16, C18, C20 Tantalum Capacitor, Taj Series ...
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Table 13. Overview of AD54xx and AD55xx Devices Part No. Resolution No. DACs AD5424 8 1 AD5426 8 1 AD5428 8 2 AD5429 8 2 AD5450 8 1 AD5432 10 1 AD5433 10 1 AD5439 10 2 AD5440 10 2 ...
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AD5424/AD5433/AD5445 OUTLINE DIMENSIONS 5.10 5.00 4. 4.50 6.40 4.40 BSC 4. PIN 1 1.20 MAX 0.15 0.20 0.05 0.09 0.30 0.65 0.19 SEATING BSC PLANE COPLANARITY 0.10 COMPLIANT TO JEDEC STANDARDS MO-153-AB Figure 63. 16-Lead Thin ...
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... AD5445YCP 12 AD5445YCP-REEL 12 AD5445YCP-REEL7 12 1 AD5445YCPZ 12 1 EVAL-AD5424EBZ 1 EVAL-AD5433EBZ 1 EVAL-AD5445EBZ RoHS Compliant Part. INL (LSB) Temperature Range ±0.25 –40°C to +125°C ±0.25 –40°C to +125°C ±0.25 –40°C to +125°C ±0.25 –40°C to +125°C ±0.25 –40°C to +125°C ± ...
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AD5424/AD5433/AD5445 NOTES Rev Page ...
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NOTES AD5424/AD5433/AD5445 Rev Page ...
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AD5424/AD5433/AD5445 NOTES ©2005–2009 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D03160-0-8/09(B) Rev Page ...