AD7683ARM Analog Devices Inc, AD7683ARM Datasheet
AD7683ARM
Specifications of AD7683ARM
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AD7683ARM 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 Pseudo differential analog input range with VDD REF REF Single-supply operation: 2 5.5 V ...
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AD7683 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 Thermal Resistance ...................................................................... 6 ESD Caution ...
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SPECIFICATIONS VDD = 2 5 VDD; T REF A Table 2. Parameter Conditions RESOLUTION ANALOG INPUT Voltage Range +IN − (–IN) Absolute Input Voltage +IN −IN Analog Input CMRR f Leakage Current at 25°C Acquisition ...
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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 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 FUNCTION DESCRIPTIONS Table 8. Pin Function Descriptions 1 Pin No. Mnemonic Type Function 1 REF AI Reference Input Voltage. The REF range is from 0 VDD referred to the GND pin. Decouple the ...
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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, SINAD, and ENOB vs. Reference Voltage 100 REF 100 FREQUENCY (kHz) Figure ...
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VDD = 5V, = 100kSPS S 800 700 600 VDD = 2.7V, 500 400 300 200 100 0 –55 –34 – TEMPERATURE (°C) Figure 17. Operating Current vs. Temperature 1000 750 500 250 0 ...
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AD7683 APPLICATIONS 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 second (100 kSPS) and powers down between conversions. ...
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TO V REF (NOTE 3) NOTES 1. SEE VOLTAGE REFERENCE INPUT SECTION FOR REFERENCE SELECTION USUALLY A 10µF CERAMIC CAPACITOR (X5R). REF 3. SEE DRIVER AMPLIFIER CHOICE SECTION. 4. OPTIONAL FILTER. SEE ANALOG INPUT SECTION. TYPICAL ...
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AD7683 VOLTAGE REFERENCE INPUT The AD7683 voltage reference input, REF, has a dynamic input impedance. Therefore, it should be driven by a low impedance source with efficient decoupling between the REF and GND pins, as explained in the Layout section. ...
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OUTLINE DIMENSIONS PIN 1 INDEX AREA 0.80 0.75 0.70 SEATING PLANE 3.20 3.00 2.80 5. 3.20 4.90 3.00 4.65 2. PIN 1 0.65 BSC 0.95 0.85 1.10 MAX 0.75 8° 0.15 0.38 0.23 0° 0.00 0.22 ...
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... AD7683ACPZRL ±6 LSB max 1 AD7683ACPZRL7 ±6 LSB max AD7683ARM ±6 LSB max AD7683ARMRL7 ±6 LSB max 1 AD7683ARMZ ±6 LSB max 1 AD7683ARMZRL7 ±6 LSB max 1 AD7683BCPZRL ±3 LSB max 1 AD7683BCPZRL7 ±3 LSB max AD7683BRM ±3 LSB max AD7683BRMRL7 ±3 LSB max 1 AD7683BRMZ ± ...