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AD574AS 数据表(PDF) 2 Page - Analog Devices |
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AD574AS 数据表(HTML) 2 Page - Analog Devices |
2 / 12 page AD574A–SPECIFICATIONS AD574AJ AD574AK AD574AL 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 ±1/2 ±1/2 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 0 +70 0 +70 0 +70 °C TEMPERATURE COEFFICIENTS (Using Internal Reference) TMIN to TMAX Unipolar Offset ±2 (10) ±1 (5) ±1 (5) LSB (ppm/°C) Bipolar Offset ±2 (10) ±1 (5) ±1 (5) LSB (ppm/°C) Full-Scale Calibration ±9 (50) ±5 (27) ±2 (10) 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) Inputs2 (CE, CS, R/C, A0) 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 OPTIONS 4 Ceramic (D-28) AD574ASD AD574AKD AD574ALD Plastic (N-28) AD574AJN AD574AKN AD574ALN PLCC (P-28A) AD574AJP AD574AKP LCC (E-28A) AD574AJE AD574AKE 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; N = Plastic DIP; P = Plastic Leaded Chip Carrier. Specifications subject to change without notice. (@ +25 C with VCC = +15 V or +12 V, VLOGIC = +5 V, VEE = –15 V or –12 V unless otherwise noted) REV. B –2– |
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