X9312ABSOLUTE MAXIMUM RATINGSCOMMENT Temperature under bias .. -65°C to +135°C Stresses above those listed under “Absolute Maximum Storage temperature ... -65°C to +150°C Ratings” may cause permanent damage to the device. Voltage on CS, INC, U/D and VCC This is a stress rating only; functional operation of the with respect to VSS ... -1V to +7V device (at these or any other conditions above those ∆V = |VH - VL| ..15V listed in the operational sections of this specification) Lead temperature (soldering 10 seconds) ... 300°C is not implied. Exposure to absolute maximum rating IW (10 seconds) ...±8.8mA conditions for extended periods may affect device reliability. RECOMMENDED OPERATING CONDITIONSTemperatureMin.Max.Supply Voltage (VCC)Limits Commercial 0°C +70°C X9312 5V ±10% Industrial -40°C +85°C POTENTIOMETER CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.) LimitsSymbolParameterMin.Typ.Max.UnitTest Conditions/Notes End to end resistance tolerance ±20 % VVH VH terminal voltage VSS 15 V VSS = 0V VVL VL terminal voltage VSS 15 V VSS = 0V Power rating 25 mW RTOTAL ≥ 10kΩ Power rating 225 mW RTOTAL = 1kΩ RW Wiper resistance 40 100 Ω IW = 1mA, VCC = 5V IW Wiper current ±4.4 mA Noise -120 dBV Ref: 1kHz Resolution 1 % Absolute linearity(1) ±1 MI(3) Rw(n)(actual) - Rw(n)(expected) Relative linearity(2) ±0.2 MI(3) Rw(n+1) - [Rw(n) + MI] RTOTAL temperature coefficient ±300 ppm/°C Ratiometric temperature coefficient ±20 ppm/°C CH/CL/CW Potentiometer capacitances 10/10/25 pF See circuit #3 Notes: (1) Absolute linearity is utilized to determine actual wiper voltage versus expected voltage = (Vw(n)(actual) - Vw(n)(expected)) = ±1 Ml Maximum. (2) Relative linearity is a measure of the error in step size between taps = RW(n+1 - [Rw(n) + Ml] = ±0.2 Ml. (3) 1 Ml = Minimum Increment = RTOT/99. 4 FN8176.0 March 15, 2005
