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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD74115BCPZ датащи(PDF) 13 Page - Analog Devices |
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AD74115BCPZ датащи(HTML) 13 Page - Analog Devices |
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13 / 103 page  Data Sheet AD74115 SPECIFICATIONS analog.com Rev. 0 | 13 of 103 ADC SPECIFICATIONS AVDD = +6 V to +28.8 V, AVSS = −2.5 V to −18 V, AGND = DGND = 0 V, REFIN = +2.5 V (ideal), DVCC = +2.7 V to +5.5 V, AVCC = +4.5 V to +5.5 V, and all specifications are at TA = −40°C to +105°C, unless otherwise noted. RSENSE = 100 Ω (ideal) and CLOAD = 4.7 nF per the recommended configuration. Note that the required input range for AVDD and AVSS must be considered when setting the supply voltages. Table 12. ADC Specifications Parameter Min Typ Max Unit Test Conditions/Comments ADC SPECIFICATIONS Resolution 16 Bits No Missing Codes1 16 Bits Conversion Rates1 Sample rates vary depending on the number of ADC measurements selected and the use of single or continuous conversion modes 10 SPS 50 Hz and 60 Hz rejection enabled 20 SPS 50 Hz and 60 Hz rejection enabled 1.2 kSPS 50 Hz and 60 Hz rejection disabled 4.8 kSPS 50 Hz and 60 Hz rejection disabled 9.6 kSPS 50 Hz and 60 Hz rejection disabled Absolute Input Voltage1 AVSS + 2 AVDD − 0.2 V Noise1 Refer to Table 27 Common-Mode Rejection Ratio1 95 dB ADC INPUT RANGES 0 V to +12 V, ±12V Typically used to measure the voltage across the I/OP to I/ON screw terminals (I/ON is the input and output negative, and I/OP is the input and output positive), and also used for SENSE_EXT1 and SENSE_EXT2 Range 0 12 V −12 +12 V TUE1 −0.1 +0.1 % FSR INL1 −4 +4 LSB Offset Error −4 +4 LSB Gain Error −750 +750 ppm FSR 0 V to 2.5 V, −2.5 V to 0 V, ±2.5 V Typically used to measure the current through the RSENSE resistor Range 0 2.5 V For current flowing out of the AD74115 through the 100 Ω RSENSE −2.5 0 V For current flowing into the AD74115 across the 100 Ω RSENSE −2.5 +2.5 V Typically used to measure bidirectional current across the 100 Ω RSENSE in voltage output mode TUE −0.1 +0.1 % FSR INL −4 +4 LSB Offset Error −4 +4 LSB Gain Error −250 +250 ppm FSR 0 V to 0.625 V Typically used to measure 3-wire and 4-wire RTDs Range 0 0.625 V TUE1 −0.1 +0.1 % FSR INL1 −4 +4 LSB Offset Error −10 +10 LSB Gain Error −250 +250 ppm FSR ±104.16 mV Typically used to measure thermocouple voltages in voltage input mode Range −104.16 +104.16 mV TUE1 −0.1 +0.1 % FSR INL1 −4 +4 LSB |
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