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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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AD7843 Fiches technique(PDF) 2 Page - Analog Devices |
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AD7843 Fiches technique(HTML) 2 Page - Analog Devices |
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2 / 16 page  REV. 0 –2– AD7843–SPECIFICATIONS (VCC = 2.7 V to 3.6 V, VREF = 2.5 V, fSCLK = 2 MHz unless otherwise noted; TA = –40 C to +85 C, unless otherwise noted.) Parameter AD7843A 1 Unit Test Conditions/Comments DC ACCURACY Resolution 12 Bits No Missing Codes 11 Bits min Integral Nonlinearity2 ±2LSB max Offset Error 2 ±6LSB max VCC = 2.7 V Offset Error Match 3 1LSB max 0.1 LSB typ Gain Error 2 ±4LSB max Gain Error Match 3 1LSB max 0.1 LSB typ Power Supply Rejection 70 dB typ SWITCH DRIVERS On-Resistance 2 Y+, X+ 5 Ω typ Y–, X– 6 Ω typ ANALOG INPUT Input Voltage Ranges 0 to VREF Volts DC Leakage Current ±0.1 µA typ Input Capacitance 37 pF typ REFERENCE INPUT VREF Input Voltage Range 1.0/+VCC V min/max DC Leakage Current ±1 µA max VREF Input Impedance 5 G Ω typ CS = GND or +V CC VREF Input Current 3 20 µA max 8 µA typ 1 µA typ fSAMPLE = 12.5 kHz 1 µA max CS = +V CC; 0.001 µA typ LOGIC INPUTS Input High Voltage, VINH 2.4 V min Input Low Voltage, VINL 0.4 V max Input Current, IIN ±1 µA max Typically 10 nA, VIN = 0 V or +VCC Input Capacitance, CIN 4 10 pF max LOGIC OUTPUTS Output High Voltage, VOH VCC – 0.2 V min ISOURCE = 250 µA; VCC = 2.2 V to 5.25 V Output Low Voltage, VOL 0.4 V max ISINK = 250 µA PENIRQ Output Low Voltage, V OL 0.4 V max ISINK = 250 µA; 100 kΩ Pull-Up Floating-State Leakage Current ±10 µA max Floating-State Output Capacitance 4 10 pF max Output Coding Straight (Natural) Binary CONVERSION RATE Conversion Time 12 DCLK Cycles max Track/Hold Acquisition Time 3 DCLK Cycles min Throughput Rate 125 kSPS max POWER REQUIREMENTS VCC (Specified Performance) 2.7/3.6 V min/max Functional from 2.2 V to 5.25 V ICC 5 Digital I/Ps = 0 V or VCC Normal Mode (fSAMPLE = 125 kSPS) 380 µA max VCC = 3.6 V, 240 µA typ Normal Mode (fSAMPLE = 12.5 kSPS) 170 µA typ VCC = 2.7 V, fDCLK = 2 00 kHz Normal Mode (Static) 150 µA typ VCC = 3.6 V Shutdown Mode (Static) 1 µA max Power Dissipation 5 Normal Mode (fSAMPLE = 125 kSPS) 1.368 mW max VCC = 3.6 V Shutdown 3.6 µW max VCC = 3.6 V NOTES 1Temperature range as follows: A Version: –40 °C to +85°C. 2See Terminology. 3Guaranteed by design. 4Sample tested @ 25 °C to ensure compliance. 5See Power vs. Throughput Rate section. Specifications subject to change without notice. |
Numéro de pièce similaire - AD7843 |
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Description similaire - AD7843 |
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