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AD5447 Folha de dados(PDF) 3 Page - Analog Devices |
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AD5447 Folha de dados(HTML) 3 Page - Analog Devices |
3 / 20 page Data Sheet AD5547/AD5557 Rev. D | Page 3 of 20 SPECIFICATIONS ELECTRICAL CHARACTERISTICS VDD = 2.7 V to 5.5 V, IOUT = virtual GND, GND = 0 V, VREF = −10 V to +10 V, TA = −40°C to +125°C, unless otherwise noted. Table 1. Parameter Symbol Test Conditions/Comments Min Typ Max Unit STATIC PERFORMANCE1 Resolution N AD5547, 1 LSB = V REF/2 16 = 153 µV at V REF = 10 V 16 Bits AD5557, 1 LSB = V REF/2 14 = 610 µV at V REF = 10 V 14 Bits Relative Accuracy INL Grade: AD5557C ±1 LSB Grade: AD5547B ±2 LSB Grade: AD5547C ±1 LSB Differential Nonlinearity DNL Monotonic ±1 LSB Output Leakage Current I OUT Data = zero scale, T A = 25°C 10 nA Data = zero scale, T A = TA maximum 20 nA Full-Scale Gain Error G FSE Data = full scale ±1 ±4 mV Bipolar Mode Gain Error G E Data = full scale ±1 ±4 mV Bipolar Mode Zero-Scale Error G ZSE Data = full scale ±1 ±3 mV Full-Scale Temperature Coefficient2 TCV FS 1 ppm/°C REFERENCE INPUT V REF Range V REF −18 +18 V REF Input Resistance REF 4 5 6 kΩ R1 and R2 Resistance R1 and R2 4 5 6 kΩ R1-to-R2 Mismatch Δ(R1 to R2) ±0.5 ±1.5 Ω Feedback and Offset Resistance R FB, ROFS 8 10 12 kΩ Input Capacitance2 C REF 5 pF ANALOG OUTPUT Output Current I OUT Data = full scale 2 mA Output Capacitance2 C OUT Code dependent 200 pF LOGIC INPUT AND OUTPUT Logic Input Low Voltage V IL V DD = 5 V 0.8 V V DD = 3 V 0.4 V Logic Input High Voltage V IH V DD = 5 V 2.4 V V DD = 3 V 2.1 V Input Leakage Current I IL 10 µA Input Capacitance2 C IL 10 pF INTERFACE TIMING2, 3 See Figure 3 Data to WR Setup Time t DS V DD = 5 V 20 ns V DD = 3 V 35 ns Data to WR Hold Time t DH V DD = 5 V 0 ns V DD = 3 V 0 ns WR Pulse Width t WR V DD = 5 V 20 ns V DD = 3 V 35 ns LDAC Pulse Width t LDAC V DD = 5 V 20 ns V DD = 3 V 35 ns RS Pulse Width t RS V DD = 5 V 20 ns V DD = 3 V 35 ns WR to LDAC Delay Time t LWD V DD = 5 V 0 ns V DD = 3 V 0 ns |
Nº de peça semelhante - AD5447 |
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Descrição semelhante - AD5447 |
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