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ALD500RA-20QE Datasheet(PDF) 6 Page - Advanced Linear Devices |
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ALD500RA-20QE Datasheet(HTML) 6 Page - Advanced Linear Devices |
6 / 12 page 6 Advanced Linear Devices ALD500RAU/ALD500RA/ALD500R DC ELECTRICAL CHARACTERISTICS TA = 25°C V supply = +5.0V unless otherwise specified; CAZ = CREF = 0.47µf, RREF = 100KΩ (1% metal film) Parameter Symbol 500RAU-10 500RAU-20 500RAU-50 Unit Test Conditions 500RA-10 500RA-20 500RA-50 500R-50 Min Typ Max Min Typ Max Min Typ Max Voltage Reference VR 0.998 1.000 1.002 0.997 1.000 1.003 0.995 1.000 1.005 V Supply Voltage VRSR 95 95 95 dB Rejection Ratio Temperature VRTC 3 10 7 20 15 50 ppm/C ° Coefficient Long Term Drift ∆V REF / -0.08 -0.08 -0.08 ppm/ Note 7 ∆t 1000hrs Warm Up Time 10 10 10 min. Note 7 Positive Supply V+ 4.5 5.5 4.5 5.5 4.5 5.5 V Operating Voltage Range Negative Supply V- -5.5 -4.5 -5.5 -4.5 -5.5 -4.5 V Operating Voltage Range Power Down Supply IPD 25 25 25 µA Note 7 Current NOTES: 1. Integrate time ≥ 66 msec., Auto Zero time ≥ 66 msec., VINT = 4V, VIN = 2.0V Full Scale Resolution = VINT /integrate time/clock period 2. End point linearity at ±1/4, ±1/2, ±3/4 Full Scale after Full Scale adjustment. 3. Rollover Error also depends on CINT, CREF, CAZ characteristics. 4. Contact factory for other power supply operating voltage ranges, including Vsupply = ±3V or Vsupply = ±2.5V. 5. Recommended selection of clock periods of one of the following: t clk = 0.27 µsec, 0.54µsec, or 1.09µsec which corresponds to clock frequencies of 3.6864 MHz, 1.8432 MHz, 0.9216 MHz respectively. 6. RREF is 100K Ω 1% metal film, 50 ppm/C. 7. Sample tested parameter. ~ |
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