LT6105CMS8#TRPBF

LT6105CMS8#TRPBF is a micropower, extended input range precision current sense amplifier with a very wide input common mode range. The LT6105 monitors unidirectional current via the voltage across an external sense resistor. The input common mode range extends from –0.3V to 44V, with respect to the negative supply voltage (V–). This allows the LT6105 to operate as a high side current sense monitor or a low side current sense monitor. It also allows the LT6105 to monitor current on a negative supply voltage, as well as continuously monitor a battery from full charge to depletion. The inputs of LT6105 can withstand differential voltages up to ±44V, which makes it ideal for monitoring a fuse or MOSFET switch. Applications include high side or low side current sensing, current monitoring on positive or negative supply voltages, battery monitoring, fuse/MOSFET monitoring, automotive, power management, portable test/measurement systems.

• Wide power supply range from 2.85V to 36V
• Input offset voltage is -0.3mV typ ( VSENSE = 5mV, TA = 25°C)
• Gain accuracy is 1% max
• Gain configurable with external resistors
• Input offset current is 0.05μA typ (VSENSE = 0V, VS+ = 3V)
• Sense input current when powered down : 1nA
• Full-scale output current is 1mA minimum
• Input common mode rejection ratio is 120dB typ (VSENSE = 5mV, VS+ = 2.8V to 44V)
• Power supply rejection ratio is 120dB typ (VSENSE = 5mV, VS+ = 12V, V+ = 2.85V to 36V)
• 8-lead plastic MS8 package, 0°C to 70°C specified temperature range

Notes

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party