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AD7237A Arkusz danych(PDF) 2 Page - Analog Devices |
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AD7237A Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 12 page REV. 0 –2– AD7237A/AD7247A–SPECIFICATIONS (VDD = +12 V to +15 V, 1 V SS = 0 V or –12 V to –15 V, 1 AGND = DGND = 0 V [AD7237A], GND = 0 V [AD7247A], REF IN = +5 V, Parameter A 2 B 2 T 2 Units Test Conditions/Comments STATIC PERFORMANCE Resolution 12 12 12 Bits Relative Accuracy 3 ±1 ±1/2 ±1/2 LSB max Differential Nonlinearity 3 ±0.9 ±0.9 ±0.9 LSB max Guaranteed Monotonic Unipolar Offset Error 3 ±3 ±3 ±4 LSB max VSS = 0 V or –12 V to –15 V 4. DAC Latch Contents All 0s Bipolar Zero Error 3 ±6 ±4 ±6 LSB max VSS = –12 V to –15 V 4. DAC Latch Contents 1000 0000 0000 Full-Scale Error 3, 5 ±5 ±5 ±6 LSB max Full-Scale Mismatch 5 ±1 ±1 ±1 LSB typ REFERENCE OUTPUT REF OUT 4.97/5.03 4.97/5.03 4.95/5.05 V min/max Reference Temperature Coefficient ±25 ±25 ±25 ppm/ °C typ Reference Load Change ( ∆REF OUT vs. ∆I) –1 –1 –1 mV max Reference Load Current Change (0-100 µA) REFERENCE INPUT Reference Input Range 4.75/5.25 4.75/5.25 4.75/5.25 V min/max 5 V ± 5% Input Current 6 ±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 (Data Inputs) ±10 ±10 ±10 µA max VIN = 0 V to VDD Input Capacitance 6 8 8 8 pF max ANALOG OUTPUTS Output Range Resistors 15/30 15/30 15/30 k Ω min/max Output Voltage Ranges 7 +5, +10 +5, +10 V Single Supply; (VSS = 0 V) Output Voltage Ranges 7 +5, +10, ±5 +5, +10, ±5 +5, +10, ±5 Dual Supply; (VSS = –12 V to –15 V 4) DC Output Impedance 0.5 0.5 0.5 Ω typ AC CHARACTERISTICS 6 Voltage Output Settling Time Settling Time to Within ±1/2 LSB of Final Value Positive Full-Scale Change 8 8 10 µs max DAC Latch all 0s to all 1s. Typically 5 µs Negative Full-Scale Change 8 8 10 µs max DAC Latch all 1s to all 0s. Typically 5 µs VSS = –12 V to –15 V 4. 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 Digital Crosstalk 3 30 30 30 nV secs typ POWER REQUIREMENTS VDD +10.8/+16.5 +11.4/+15.75 +11.4/+15.75 V min/max For Specified Performance Unless Otherwise Stated VSS –10.8/–16.5 –11.4/–15.75 –11.4/–15.75 V min/max For Specified Performance Unless Otherwise Stated IDD 15 15 15 mA max Output Unloaded. Typically 10 mA ISS (Dual Supplies) 5 5 5 mA max Output Unloaded. Typically 3 mA NOTES 1Power Supply tolerance is ±10% for A version and ±5% for B and T versions. 2Temperature ranges are as follows: A, B Versions, –40 °C to +85°C; T Version, –55°C to +125°C. 3See Terminology. 4With appropriate power supply tolerances. 5Measured with respect to REF IN and includes unipolar/bipolar offset error. 6Sample tested @ +25 °C to ensure compliance. 70 V to +10 V range is only available with V DD ≥ 14.25 V. Specifications subject to change without notice. RL = 2 kΩ, CL = 100 pF. All specifications TMIN to TMAX unless otherwise noted.) |
Podobny numer części - AD7237A_15 |
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Podobny opis - AD7237A_15 |
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