MAX6685

Voltages Referenced to GND
V_DD, TLOW, THIGH...................................................-0.3V to +6V
DXN .....................................................................-0.3V to +0.8V
All Other Pins..............................................-0.3V to (V_DD + 0.3V)
Input Current .......................................................................5mA
Output Current ...................................................................20mA
Continuous Power Dissipation (T_A = +70°C)
   8-Pin MAX (derate 4.1mW/°C above +70°C) ............330mW
Operating Temperature Range .......................-40°C to +125°C
Junction Temperature......................................................+150°C
Storage Temperature Range ...........................-65°C to +165°C
Lead Temperature (soldering, 10s) .................................+300°C

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

MAX6685/MAX6686 are dual-output temperature switches that use an external diode-connected transistor as a sensing element. These devices have two logic outputs (T_HIGH and T_LOW). THIGH asserts a logic signal when the remote temperature crosses the factory-programmed, +120°C, or +125°C upper trip threshold. TLOW is asserted when the remote temperature exceeds the lower threshold, which is controlled by pins S1 and S2. The lower thresholds of MAX6685 are available in two ranges in 5°C increments. The two ranges are +40°C to +80°C and +75°C to +115°C. Hysteresis for both outputs to be deasserted is typically 5°C.

T_HIGH is an open-drain, active-low output for both the MAX6685 and the MAX6686. T_LOW is a CMOS push-pull,active-high output for the MAX6685 and is an open-drain,active-low output for the MAX6686. They are available in a space-saving 8-pin MAX package.