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AD574AL Datasheet(PDF) 3 Page - Analog Devices |
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AD574AL Datasheet(HTML) 3 Page - Analog Devices |
3 / 12 page AD574AS AD574AT AD574AU Model Min Typ Max Min Typ Max Min Typ Max Units RESOLUTION 12 12 12 Bits LINEARITY ERROR @ +25 °C ±1 ±1/2 ±1/2 LSB TMIN to TMAX ±1 ±1 ±1 LSB DIFFERENTIAL LINEARITY ERROR (Minimum Resolution for Which No Missing Codes are Guaranteed) TMIN to TMAX 11 12 12 Bits UNIPOLAR OFFSET (Adjustable to Zero) ±2 ±1 ±1 LSB BIPOLAR OFFSET (Adjustable to Zero) ±4 ±4 ±2 LSB FULL-SCALE CALIBRATION ERROR (With Fixed 50 Ω Resistor from REF OUT to REF IN) (Adjustable to Zero) 0.25 0.25 0.125 % of FS TEMPERATURE RANGE –55 +125 –55 +125 –55 +125 °C TEMPERATURE COEFFICIENTS (Using Internal Reference) (TMIN to TMAX) Unipolar Offset ±2 (5) ±1 (2.5) ±1 (2.5) LSB (ppm/ °C) Bipolar Offset ±4 (10) ±2 (5) ±1 (2.5) LSB (ppm/ °C) Full-Scale Calibration ±20 (50) ±10 (25) ±5 (12.5) LSB (ppm/°C) POWER SUPPLY REJECTION Max Change in Full-Scale Calibration VCC = 15 V ± 1.5 V or 12 V ± 0.6 V ±2 ±1 ±1 LSB VLOGIC = 5 V ± 0.5 V ±1/2 ±1/2 ±1/2 LSB VEE = –15 V ± 1.5 V or –12 V ± 0.6 V ±2 ±1 ±1 LSB ANALOG INPUT Input Ranges Bipolar –5 +5 –5 +5 –5 +5 Volts –10 +10 –10 +10 –10 +10 Volts Unipolar 0 +10 0 +10 0 +10 Volts 0 +20 0 +20 0 +20 Volts Input Impedance 10 Volt Span 3 5 7 3 5 7 3 5 7 k Ω 20 Volt Span 6 10 14 6 10 14 6 10 14 k Ω DIGITAL CHARACTERISTICS 1 (T MIN–TMAX) Inputs 2 (CE, CS, R/C, A 0) Logic “1” Voltage +2.0 +5.5 +2.0 +5.5 +2.0 +5.5 Volts Logic “0” Voltage –0.5 +0.8 –0.5 +0.8 –0.5 +0.8 Volts Current –20 +20 –20 +20 –20 +20 µA Capacitance 5 5 5 pF Output (DB11–DB0, STS) Logic “1” Voltage (ISOURCE ≤ 500 µA) +2.4 +2.4 +2.4 Volts Logic “0” Voltage (ISINK ≤ 1.6 mA) +0.4 +0.4 +0.4 Volts Leakage (DB11–DB0, High-Z State) –20 +20 –20 +20 –20 +20 µA Capacitance 5 5 5 pF POWER SUPPLIES Operating Range VLOGIC +4.5 +5.5 +4.5 +5.5 +4.5 +5.5 Volts VCC +11.4 +16.5 +11.4 +16.5 +11.4 +16.5 Volts VEE –11.4 –16.5 –11.4 –16.5 –11.4 –16.5 Volts Operating Current ILOGIC 30 40 30 40 30 40 mA ICC 25 25 2 5 mA IEE 18 30 18 30 18 30 mA POWER DISSIPATION 390 725 390 725 390 725 mW INTERNAL REFERENCE VOLTAGE 9.98 10.0 10.02 9.98 10.0 10.02 9.99 10.0 10.01 Volts Output Current (Available for External Loads) 3 1.5 1.5 1.5 mA (External Load Should not Change During Conversion) PACKAGE OPTION 4 Ceramic (D-28) AD574ASD AD574ATD AD574AUD NOTES 1Detailed Timing Specifications appear in the Timing Section. 212/8 Input is not TTL-compatible and must be hard wired to V LOGIC or Digital Common. 3The reference should be buffered for operation on ±12 V supplies. 4D = Ceramic DIP. Specifications subject to change without notice. AD574A REV. B –3– |
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