AD7684BRM Analog Devices Inc, AD7684BRM Datasheet
AD7684BRM
Specifications of AD7684BRM
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AD7684BRM Summary of contents
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FEATURES 16-bit resolution with no missing codes Throughput: 100 kSPS INL: ±1 LSB typical, ±3 LSB maximum True differential analog input range: ± with VDD on both inputs REF REF Single-supply operation: 2.7 ...
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AD7684 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Application Diagram........................................................................ 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Specifications .................................................................. 5 Absolute Maximum Ratings............................................................ 6 ESD Caution.................................................................................. 6 Pin Configuration and Function Descriptions............................. 7 Terminology ...
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SPECIFICATIONS VDD = 2 5 VDD; T REF A Table 2. Parameter Conditions RESOLUTION ANALOG INPUT 1 Voltage Range +IN − (−IN) Absolute Input Voltage +IN, −IN Common-Mode Input Range +IN, −IN Analog Input CMRR ...
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AD7684 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 Gain ...
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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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AD7684 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 FUNCTION DESCRIPTIONS Table 7. Pin Function Descriptions 1 Pin No. Mnemonic Type Description 1 REF AI Reference Input Voltage. The REF range is from 0 VDD. This pin is referred to the GND pin and ...
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AD7684 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 = +0.83LSB NEGATIVE INL = –1.07LSB –1 –2 –3 0 16384 32768 CODE Figure 7. Integral Nonlinearity vs. Code 120000 94794 100000 80000 60000 40000 18557 17388 20000 0 0 151 ...
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AD7684 100 95 S/[N+D] 90 ENOB 85 80 2.0 2.5 3.0 3.5 4.0 REFERENCE VOLTAGE (V) Figure 13. SNR, SINAD, and ENOB vs. Reference Voltage 100 VREF = 5V, –10dB 95 VREF = 5V, –1dB 90 VREF = 2.5V, –1dB ...
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ZERO ERROR 1 0 –1 –2 GAIN ERROR –3 –4 –5 –6 –55 –35 – TEMPERATURE (°C) Figure 19. Zero Error and Gain Error vs. Temperature 85 105 125 Rev. A ...
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AD7684 APPLICATION INFORMATION +IN REF GND –IN CIRCUIT INFORMATION The AD7684 is a low power, single-supply, 16-bit ADC using a successive approximation architecture capable of converting 100,000 samples per second (100 kSPS) and powers down between conversions. When ...
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TO V REF (NOTE REF (NOTE 3) NOTE 1: SEE VOLTAGE REFERENCE INPUT SECTION FOR REFERENCE SELECTION. NOTE USUALLY A 10μF CERAMIC CAPACITOR (X5R). REF NOTE 3: SEE DRIVER AMPLIFIER CHOICE SECTION. ...
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AD7684 Table 9. Recommended Driver Amplifiers Amplifier Typical Application ADA4841-x Very low noise ADA4941-1 Very low noise, single to differential AD8021 Very low noise and high frequency AD8022 Low noise and high frequency OP184 Low power, low noise, and low ...
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... Nonlinearity AD7684BRM ±3 LSB maximum AD7684BRMRL7 ±3 LSB maximum AD7684BRMZ 1 ±3 LSB maximum 1 AD7684BRMZRL7 ±3 LSB maximum 1, 2 EVAL-AD7684CBZ 1, 3 EVAL-CONTROL BRD3Z RoHS Compliant Part. 2 This board can be used as a standalone evaluation board or in conjunction with the EVAL-CONTROL BRDx for evaluation/demonstration purposes. ...
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AD7684 NOTES ©2004–2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D04302-0-10/07(A) Rev Page ...