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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UCD3138ARMHT датащи(PDF) 15 Page - Texas Instruments |
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UCD3138ARMHT датащи(HTML) 15 Page - Texas Instruments |
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15 / 87 page  15 UCD3138A www.ti.com SLUSC66C – MARCH 2015 – REVISED SEPTEMBER 2016 Submit Documentation Feedback Product Folder Links: UCD3138A Specifications Copyright © 2015–2016, Texas Instruments Incorporated (1) Specified by design. Not production tested. 5.5 Electrical Characteristics 3 V ≤ VV33A = VV33D = VV33DIO ≤ to 3.6 V, 1 μF of capacitance from BP18 to DGND, –40°C ≤ TJ ≤ 125°C (unless otherwise noted) PARAMETER TEST CONDITION MIN TYP MAX UNIT SUPPLY CURRENT II33A Analog 3.3-V supply current Measured on V33A. The device is powered up but all ADC12 and EADC sampling is disabled 6.3 mA I33DIO Digital I/O 3.3-V core supply current All GPIO and communication pins are open 0.35 mA I33D Digital I/O 3.3-V core supply current ROM program execution 60 mA Flash programming in ROM mode 70 mA I33 Total supply current Operating in ROM mode with all DPWMs enabled and switching at 2 MHz. DPWMs all unloaded. 105 mA ERROR ADC INPUTS EAP, EAN EAP – AGND –0.15 1.998 V EAP – EAN –0.256 1.848 V Typical error range AFE = 0 –256 248 mV EAP – EAN Error voltage digital resolution AFE = 3 0.8 1 1.20 mV AFE = 2 1.7 2 2.30 AFE = 1 3.55 4 4.45 AFE = 0 6.90 8 9.10 REA Input impedance (See Figure 5-3) AGND reference 0.5 M Ω IOFFSET Input offset current (See Figure 5-3) –5 5 μA EADC offset Input voltage = 0 V at AFE = 0 –2 2 LSB Input voltage = 0 V at AFE = 1 –2.5 2.5 Input voltage = 0 V at AFE = 2 –3 -3 Input voltage = 0 V at AFE = 3 –4 4 Sample rate 16 MHz Analog front end amplifier bandwidth 100 MHz A0 Gain See Figure 5-4 1 V/V Minimum output voltage 30 mV EADC DAC DAC range 0 1.6 V VREF DAC reference resolution 10 bit, No dithering enabled 1.56 mV VREF DAC reference resolution With 4 bit dithering enabled 97.6 μV INL –3.0 3.0 LSB DNL Does not include MSB transition –2.1 1.6 LSB DNL at MSB transition –1.4 LSB DAC reference voltage 1.58 1.61 V τ Settling time From 10% to 90% 250 ns ADC12 IBIAS Bias current for PMBus address pins 9.5 10.5 μA Measurement range for voltage monitoring 0 2.5 V Internal ADC reference voltage 2.475 2.500 2.525 V Change in Internal ADC reference from 25°C reference voltage(1) –40°C ≤ TA ≤ 25°C –1.2 mV 25°C ≤ TA ≤ 125°C –2.6 |
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