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Os motores de busca de Datasheet de Componentes eletrônicos |
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LCZN Folha de dados(PDF) 5 Page - Linear Technology |
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LCZN Folha de dados(HTML) 5 Page - Linear Technology |
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5 / 20 page  LTC2641/LTC2642 5 26412f Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: Continuous operation above the specified maximum operating junction temperature may impair device reliability. Note 3: LTC2641-16/LTC2642-16 ±1LSB = ±0.0015% = ±15.3ppm of full scale. LTC2641-14/LTC2642-14 ±1LSB = ±0.006% = ±61ppm of full scale. LTC2641-12/LTC2642-12 ±1LSB = ±0.024% = ±244ppm of full scale. ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 3V or 5V, VREF = 2.5V, CL = 10pF, GND = 0, RL = ∞ unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IIN Digital Input Current VIN = GND to VCC ● ±1 μA CIN Digital Input Capacitance (Note 6) ● 310 pF VH Hysteresis Voltage 0.15 V Power Supply VDD Supply Voltage ● 2.7 5.5 V IDD Supply Current, VDD Digital Inputs = 0V or VDD ● 120 200 μA PD Power Dissipation Digital Inputs = 0V or VDD, VDD = 5V Digital Inputs = 0V or VDD, VDD = 3V 0.60 0.36 mW mW TIMING CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 3V or 5V, VREF = 2.5V, CL = 10pF, GND = 0, RL = ∞ unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS t1 DIN Valid to SCLK Setup Time ● 10 ns t2 DIN Valid to SCLK Hold Time ● 0ns t3 SCLK Pulse Width High ● 9ns t4 SCLK Pulse Width Low ● 9ns t5 ⎯C⎯S Pulse High Width ● 10 ns t6 LSB SCLK High to ⎯C⎯S High ● 8ns t7 ⎯C⎯S Low to SCLK High ● 8ns t8 ⎯C⎯S High to SCLK Positive Edge ● 8ns t9 ⎯C⎯L⎯R Pulse Width Low ● 15 ns fSCLK SCLK Frequency 50% Duty Cycle ● 50 MHz VDD High to ⎯C⎯S Low (Power-Up Delay) 30 μs Note 4: ROUT tolerance is typically ±20%. Note 5: Reference input resistance is code dependent. Minimum is at 871Chex (34,588) in unipolar mode and at 671Chex (26, 396) in bipolar mode. Note 6: Guaranteed by design and not production tested. Note 7: Guaranteed by gain error and offset error testing, not production tested. |
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