EVAL-CONTROLBRD3 AD [Analog Devices], EVAL-CONTROLBRD3 Datasheet
EVAL-CONTROLBRD3
Related parts for EVAL-CONTROLBRD3
EVAL-CONTROLBRD3 Summary of contents
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FEATURES 16-bit resolution with no missing codes Throughput: 100 kSPS INL: ±1 LSB typ, ±3 LSB max Pseudodifferential analog input range with VDD REF REF Single-supply operation: 2 5.5 V Serial ...
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... Application Information................................................................ 12 Circuit Information.................................................................... 12 Converter Operation.................................................................. 12 Transfer Functions...................................................................... 12 REVISION HISTORY 9/04—Initial Version: Revision 0 Typical Connection Diagram ................................................... 13 Analog Input ............................................................................... 13 Driver Amplifier Choice............................................................ 13 Voltage Reference Input ............................................................ 14 Power Supply............................................................................... 14 Digital Interface.......................................................................... 14 Layout .......................................................................................... 14 Evaluating the AD7683’s Performance .................................... 14 Outline Dimensions ....................................................................... 15 Ordering Guide .......................................................................... 15 Rev Page ...
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SPECIFICATIONS VDD = 2 5 VDD –40°C to +85°C, unless otherwise noted. REF A Table 2. Parameter Conditions RESOLUTION ANALOG INPUT Voltage Range +IN − (–IN) Absolute Input Voltage +IN −IN Analog Input ...
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AD7683 VDD = VDD –40°C to +85°C, unless otherwise noted. REF A Table 3. Parameter Conditions ACCURACY No Missing Codes Integral Linearity Error Transition Noise 1 Gain Error , MIN MAX ...
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TIMING SPECIFICATIONS VDD = 2 5 −40°C to +85°C, unless otherwise noted. A Table 5. Parameter Throughput Rate CS Falling to DCLOCK Low CS Falling to DCLOCK Rising DCLOCK Falling to Data Remains Valid CS ...
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AD7683 ABSOLUTE MAXIMUM RATINGS Table 6. Parameter Rating Analog Inputs 1 1 +IN , –IN GND − 0 VDD + 0 ±130 mA REF GND − 0 VDD + 0.3 V Supply Voltages VDD ...
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PIN CONFIGURATION AND FUNCTIONAL DESCRIPTIONS Table 7. Pin Function Descriptions 2 Pin No. Mnemonic Type Function 1 REF AI Reference Input Voltage. The REF range is from 0 VDD referred to the GND pin. This pin ...
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AD7683 TERMINOLOGY Integral Nonlinearity Error (INL) Linearity error refers to the deviation of each individual code from a line drawn from negative full scale through positive full scale. The point used as negative full scale occurs ½ LSB before the ...
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TYPICAL PERFORMANCE CHARACTERISTICS 3 POSITIVE INL = +0.43LSB NEGATIVE INL = –0.97LSB –1 –2 –3 0 16384 32768 CODE Figure 7. Integral Nonlinearity vs. Code 7000 62564 6000 5000 4000 35528 3000 25440 2000 1000 2755 50 ...
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AD7683 100 95 SNR 90 ENOB 85 80 2.0 2.5 3.0 3.5 4.0 REFERENCE VOLTAGE (V) Figure 13. SNR, S/(N + D), and ENOB vs. Reference Voltage 100 REF 100 FREQUENCY ...
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OFFSET ERROR 1 0 –1 –2 GAIN ERROR –3 –4 –5 –6 –55 –35 – TEMPERATURE (°C) Figure 19. Offset and Gain Error vs. Temperature 105 125 Rev ...
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AD7683 APPLICATION INFORMATION +IN REF GND –IN CIRCUIT INFORMATION The AD7683 is a low power, single-supply, 16-bit ADC using a successive approximation architecture. The AD7683 is capable of converting 100,000 samples per sec- ond (100 kSPS) and powers down between ...
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TO V REF (NOTE 3) NOTE 1: SEE REFERENCE SECTION FOR REFERENCE SELECTION. NOTE 2: C REF NOTE 3: SEE DRIVER AMPLIFIER CHOICE SECTION. NOTE 4. OPTIONAL FILTER. SEE ANALOG INPUT SECTION. TYPICAL CONNECTION DIAGRAM Figure 22 shows an ...
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... EVALUATING THE AD7683’S PERFORMANCE Other recommended layouts for the AD7683 are outlined in the evaluation board for the AD7683 (EVAL-AD7683). The evalu- ation board package includes a fully assembled and tested evaluation board, documentation, and software for controlling the board from a PC via the Rev ...
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... QFN package in development. Contact factory for samples and availability. 2 This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL BRDx for evaluation/demonstration purposes. 3 These boards allow control and communicate with all Analog Devices’ evaluation boards ending in the CB designators. ...
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AD7683 NOTES © 2004 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04301-0-9/04(0) Rev Page ...