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LTC1663CMS8 数据表(PDF) 3 Page - Linear Integrated Systems |
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LTC1663CMS8 数据表(HTML) 3 Page - Linear Integrated Systems |
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3 / 12 page  LTC1663 3 1663fd ELECTRICAL CHARACTERISTICS The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VCC set as reference, VOUT unloaded, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VCC Positive Supply Voltage l 2.7 5.5 V ICC Supply Current VCC = 3V (Note 3) VCC = 5V (Note 3) l l 60 75 100 125 μA μA ISD Supply Current in Shutdown Mode (Note 3) LTC1663E (Note 3) l l 10 12 16 24 μA μA Op Amp DC Performance Short-Circuit Current (Sourcing) VOUT Shorted to GND, Input Code = 1023 l 25 100 mA Short-Circuit Current (Sinking) VOUT Shorted to VCC, Input Code = 0 l 30 120 mA Output Impedance to GND Input Code = 0, VCC = 5V Input Code = 0, VCC = 3V In Shutdown Mode 65 150 500 Ω Ω kΩ Output Impedance to VCC Input Code = 1023, VCC = 5V Input Code = 1023, VCC = 3V 80 120 Ω Ω AC Performance Voltage Output Slew Rate Rising (Notes 4, 5) Falling (Notes 4, 5) 0.75 0.25 V/μs V/μs Voltage Output Settling Time To ± 0.5LSB (Notes 4, 5) 30 μs Digital Feedthrough 0.75 nV•s Digital-to-Analog Glitch Impulse 1LSB Change Around Major Carry 70 nV•s Digital Inputs SCL, SDA VIH High Level Input Voltage l 1.4 V VIL Low Level Input Voltage l 0.6 V VLTH Logic Threshold Voltage 1V ILEAK Digital Input Leakage VCC = 5.5V and 0V, VIN = GND to VCC VCC = 5.5V and 0V, VIN = GND to VCC (LTC1663E) l l ±1.0 ±1.2 μA μA CIN Digital Input Capacitance (Note 7) l 10 pF Digital Output SDA VOL Digital Output Low Voltage IPULLUP = 350μA l 0.4 V Address Inputs AD0, AD1, AD2 (MSOP Only) IUP Address Pin Pull-Up Current VIN = 0V l 0.5 1.5 μA VIH High Level Input Voltage l VCC – 0.3 V VIL Low Level Input Voltage l 0.8 V TIMING CHARACTERISTICS The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VCC set as reference, VOUT unloaded, unless otherwise noted. SYMBOL PARAMETER MIN TYP MAX UNITS SMBus Timing Characteristics (Notes 6, 7) fSMB SMBus Operating Frequency ● 10 100 kHz tBUF Bus Free Time Between Stop and Start Condition ● 4.7 μs tHD, STA Hold Time After (Repeated) Start Condition ● 4.0 μs tSU, STA Repeated Start Condition Setup Time ● 4.7 μs tSU, STO Stop Condition Setup Time ● 4.0 μs tHD, DAT Data Hold Time ● 300 ns |
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