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AD7243BQ Arkusz danych(PDF) 2 Page - Analog Devices |
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2 / 12 page AD7243–SPECIFICATIONS Parameter A 2 B 2 S 2 Unit Test Conditions/Comments STATIC PERFORMANCE Resolution 12 12 12 Bits Relative Accuracy 3 ±1 ±1/2 ±1 LSB max Differential Nonlinearity 3 ±0.9 ±0.9 ±0.9 LSB max Guaranteed Monotonic Unipolar Offset Error 3 ±4 ±4 ±5 LSB max VSS = 0 V or –12 V to –15 V 1; DAC Latch Contents All 0s Bipolar Zero Error 3 ±5 ±5 ±6 LSB max VSS = –12 V to –15 V 1; DAC Latch Contents All 0s Full-Scale Error 3, 4 ±6 ±6 ±7 LSB max Full-Scale Temperature Coefficient 5 ±5 ±5 ±5 ppm of FSR/ Guaranteed By Process °C typ REFERENCE OUTPUT Reference Output Range, REFOUT 4.95/5.05 4.95/5.05 4.95/5.05 V min/V max Reference Temperature Coefficient 5 ±25 ±25 ±30 ppm/ °C typ Guaranteed By Process Reference Load Change ( ∆REFOUT VS. IL) –1 –1 –1 mV max Reference Load Current (IL) Change (0–100 µA) REFERENCE INPUT Reference Input Range, REFIN 4.95/5.05 4.95/5.05 4.95/5.05 V min/V max 5 V ±1% for Specified Performance Input Current 5 5 5 µA max DIGITAL INPUTS Input High Voltage, VINH 2.4 2.4 2.4 V min Input Low Voltage, VINL 0.8 0.8 0.8 V max Input Current, IIN ±1 ±1 ±1 µA max VIN = 0 V to VDD Input Capacitance 5 8 8 8 pF max DIGITAL OUTPUT Serial Data Out (SDO) Output Low Voltage, VOL 0.4 0.4 0.4 V max ISINK = 1.6 mA Output High Voltage, VOH 4.0 4.0 4.0 V min ISOURCE = 400 µA ANALOG OUTPUT Output Range Resistor, ROFS 15/30 15/30 15/30 k Ω min/max Typically 20 k . Guaranteed By Process Output Voltage Ranges 6 +5, +10 +5, +10 +5, +10 V Single Supply; VSS = 0 V Output Voltage Ranges 6 +5, +10, ±5 +5, +10, ±5 +5, +10, ±5 V Dual Supply; VSS = –12 V to –15 V DC Output Impedance 5 0.5 0.5 0.5 Ω typ AC CHARACTERISTICS 5 Voltage Output Settling-Time Settling Time to Within ±1/2 LSB of Final Value Positive Full-Scale Change 10 10 10 µs max Typically 4 µs Negative Full-Scale Change 10 10 10 µs max Typically 5 µs Digital-to-Analog Glitch Impulse 3 30 30 30 nV secs typ DAC Latch Contents Toggled Between All 0s and All 1s Digital Feedthrough 3 10 10 10 nV secs typ LDAC = High POWER REQUIREMENTS VDD Range +10.8/+16.5 +10.8/+16.5 +11.4/+15.75 V min/V max For Specified Performance Unless Otherwise Stated VSS Range (Dual Supplies) –10.8/–16.5 –10.8/–16.5 –11.4/–15.75 V min/V max For Specified Performance Unless Otherwise Stated IDD 10 10 10 mA max Output Unloaded; Typically 7 mA ISS (Dual Supplies) 2 2 2 mA max Output Unloaded; Typically 1 mA NOTES 1Power Supply Tolerance A, B Versions: ±10%; S Version: ±5%. 2Temperature ranges are as follows: A, B Versions: –40 °C to +85°C; S Version: –55°C to +125°C. 3See terminology. 4Measured with respect to REFIN and includes unipolar/bipolar offset error. 5Guaranteed by design and characterization, not production tested. 60 V to +10 V output range is available only with V DD ≥ +14.25 V. Specifications subject to change without notice. (VDD = +12 V to +15 V, 1 V SS = 0 V or –12 V to –15 V, 1 AGND = DGND = O V, REFIN = +5 V, RL = 2 k , CL = 100 pF to AGND. All Specifications TMIN to TMAX unless otherwise noted.) –2– REV. A |
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