LTC2066/LTC2067/LTC2068 ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operatingtemperature range, otherwise specifications are at TA = 25°C. Unless otherwise noted, VS = 5V, VCM = VOUT = VS/2, VSHDN = 5V,RL to VS/2. SYMBOL PARAMETERCONDITIONSMINTYPMAXUNITS In Shutdown (SHDN = V–) 90 170 nA –40°C to 85°C l 250 nA –40°C to 125°C l 500 nA VH SHDN Pin Threshold, Logic High (Referred to V–) l 1.8 V VL SHDN Pin Threshold, Logic Low (Referred to V–) l 0.8 V ISHDN SHDN Pin Current VSHDN = 0V l –150 –20 nA Note 1: Stresses beyond those listed under Absolute Maximum Ratings Note 5: Thermal resistance varies with the amount of PC board metal may cause permanent damage to the device. Exposure to any Absolute connected to the package. The specified values are for short traces Maximum Rating condition for extended periods may affect device connected to the leads. reliability and lifetime. Note 6: These parameters are guaranteed by design. Thermocouple effects Note 2: The inputs are protected by two series connected ESD protection preclude measurements of these voltage levels during automated testing. diodes to each power supply. The input current should be limited to less than VOS is measured to a limit determined by test equipment capability. 10mA. The input voltage should not exceed 300mV beyond the power supply. Note 7: Input Bias Current, Input Offset Current and Open Loop Gain are Note 3: A heat sink may be required to keep the junction temperature below only production tested at 5V. Input Bias Current and Input Offset Current the absolute maximum rating when the output is shorted indefinitely. at 1.8V are expected to meet 5V specifications. Note 4: The LTC2066I/LTC2067I/LTC2068I is guaranteed to meet specified Note 8: Minimum specifications for these parameters are limited by noise performance from –40°C to 85°C. The LTC2066H/LTC2067H/LTC2068H is and the capabilities of the automated test system. guaranteed to meet specified performance from –40°C to 125°C. Rev. B For more information www.analog.com 5 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Revision History Typical Application Related Parts