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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM2639CDT датащи(PDF) 4 Page - Wolfson Microelectronics plc |
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WM2639CDT датащи(HTML) 4 Page - Wolfson Microelectronics plc |
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4 / 10 page  WM2639 Production Data WOLFSON MICROELECTRONICS LTD Production Data Rev 1.0 July 1999 4 ELECTRICAL CHARACTERISTICS Test Conditions: RL = 10k Ω, C L = 100pF. VDD = 5V ±± 10%, V REF = 2.048V and VDD = 3V ±± 10%, V REF = 1.024V over recommended operating free-air temperature range (unless noted otherwise) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Static DAC Specifications Resolution 12 bits Integral non-linearity INL See Note 1 ±±1.2 ±±3 LSB Differential non-linearity DNL See Note 2 ±±0.3 ±±0.5 LSB Zero code error ZCE See Note 3 3 ±±20 mV Gain error GE See Note 4 ±±0.3 % FSR d.c. power supply rejection ratio DC PSRR See Note 5 0.5 mV/V Zero code error temperature coefficient See Note 6 20 ppm/ °C Gain error temperature coefficient See Note 6 20 ppm/ °C DAC Output Specifications Output voltage range 0 VDD - 0.4 V Output load regulation 2k Ω to 10kΩ load See Note 7 0.1 0.3 % Power Supplies Active supply current IDD No load, VIH = VDD, VIL = 0V VDD = 5V, VREF = 2.048V, Internal Slow Fast VDD = 5V, VREF = 2.048V, External Slow Fast VDD = 3V, VREF = 1.024V, Internal Slow Fast VDD = 3V, VREF = 1.024V, External Slow Fast See Note 8 1.3 2.3 0.9 1.9 1.2 2.1 0.9 1.8 1.6 2.8 1.2 2.4 1.5 2.6 1.1 2.3 mA mA mA mA mA mA mA mA Power down supply current No load, all inputs 0V or VDD See Note 9 0.01 1 µA Dynamic DAC Specifications Slew rate DAC code 32-4095, 10%-90% Slow Fast See Note 10 1.2 6.0 1.7 10 V/ µs V/ µs Settling time DAC code 32-4095 Slow Fast See Note 11 3.5 1 µs µs Glitch energy Code 2047 to 2048 5 nV-s |
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