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AD7249BN Arkusz danych(PDF) 2 Page - Analog Devices |
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AD7249BN Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 12 page REV. C –2– AD7249–SPECIFICATIONS (V DD = +12 V to +15 V, 1 V SS = O 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.) Parameter A Version 2 B Version 2 S Version 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 ±5 ±5 ±6 LSB max VSS = 0 V or –12 V to –15 V 1; DAC Latch Contents All 0s Bipolar Zero Error 3 ±6 ±5 ±7 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 ppm of FSR/ °C typ REFERENCE OUTPUT REFOUT 4.95/5.05 4.95/5.05 4.95/5.05 V min/V max Reference Temperature Coefficient ±25 ±25 ±30 ppm/ °C typ Reference Load Change ( ∆V REFOUT vs. IL ) –1 –1 –1 mV max Reference Load Current (IL) Change (0 µA–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% 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 ANALOG OUTPUTS Output Range Resistor, ROFSA & ROFSB 15/30 15/30 15/30 k Ω min/ max 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 or –15 V DC Output Impedance 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 3 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 1 LSB Change Around Major Carry Digital Feedthrough 3 10 10 10 nV secs typ Digital Crosstalk 3 10 10 10 nV secs typ POWER REQUIREMENTS VDD Range +10.8/+16.5 +11.4/+15.75 +11.4/+15.75 V min/V max For Specified Performance Unless Otherwise Stated VSS Range (Dual Supplies) –10.8/–16.5 –11.4/–15.75 –11.4/–15.75 V min/V max For Specified Performance Unless Otherwise Stated IDD 15 15 15 mA max Output Unloaded; Typically 11 mA ISS (Dual Supplies) 5 5 5 mA max Output Unloaded; Typically 3 mA NOTES 1Power supply tolerance, A Version: ± 10%; B, S Versions: ± 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 not production tested. 60 V to 10 V output range available only with V DD ≥ 14.25 V. Specifications subject to change without notice. |
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