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CAT5261 Datasheet(PDF) 5 Page - ON Semiconductor |
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CAT5261 Datasheet(HTML) 5 Page - ON Semiconductor |
5 / 14 page CAT5261 http://onsemi.com 5 Table 4. POTENTIOMETER CHARACTERISTICS (Over recommended operating conditions unless otherwise stated.) Symbol Parameter Test Conditions Limits Units Min Typ Max RPOT Potentiometer Resistance (−00) 100 kW RPOT Potentiometer Resistance (−50) 50 kW Potentiometer Resistance Tolerance 20 % RPOT Matching 1 % Power Rating 25C, each pot 50 mW IW Wiper Current 3 mA RW Wiper Resistance IW = 3 mA @ VCC = 3 V 200 300 W RW Wiper Resistance IW = 3 mA @ VCC = 5 V 100 150 W VTERM Voltage on any RH or RL Pin 0 VCC V VN Noise (Note 3) nVHz Resolution 0.4 % Absolute Linearity (Note 4) Rw(n)(actual)−R(n)(expected) (Note 7) 1 LSB (Note 6) Relative Linearity (Note 5) Rw(n+1)−[Rw(n)+LSB] (Note 7) 0.2 LSB (Note 6) TCRPOT Temperature Coefficient of RPOT (Note 3) 300 ppm/C TCRATIO Ratiometric Temp. Coefficient (Note 3) 20 ppm/C CH/CL/CW Potentiometer Capacitances (Note 3) 10/10/25 pF fc Frequency Response RPOT = 50 kW (Note 3) 0.4 MHz 1. The minimum DC input voltage is –0.5 V. During transitions, inputs may undershoot to –2.0 V for periods of less than 20 ns. Maximum DC voltage on output pins is VCC +0.5 V, which may overshoot to VCC +2.0 V for periods of less than 20 ns. 2. Latch-up protection is provided for stresses up to 100 mA on address and data pins from –1 V to VCC +1 V. 3. This parameter is tested initially and after a design or process change that affects the parameter. 4. Absolute linearity is utilized to determine actual wiper voltage versus expected voltage as determined by wiper position when used as a potentiometer. 5. Relative linearity is utilized to determine the actual change in voltage between two successive tap positions when used as a potentiometer. It is a measure of the error in step size. 6. LSB = RTOT / 255 or (RH − RL) / 255, single pot 7. n = 0, 1, 2, ..., 255 Table 5. D.C. OPERATING CHARACTERISTICS (VCC = +2.5 V to +6.0 V, unless otherwise specified.) Symbol Parameter Test Conditions Min Max Units ICC1 Power Supply Current fSCL = 400 kHz, SDA = Open VCC = 6 V, Inputs = GNDs 1 mA ICC2 Power Supply Current fSCK = 400 kHz, SDA Open 5 mA Non-volatile WRITE VCC = 6 V, Input = GND ISB Standby Current (VCC = 5 V) VIN = GND or VCC, SDA = Open 1 mA ILI Input Leakage Current VIN = GND to VCC 10 mA ILO Output Leakage Current VOUT = GND to VCC 10 mA VIL Input Low Voltage −1 VCC x 0.3 V VIH Input High Voltage VCC x 0.7 VCC + 1.0 V VOL1 Output Low Voltage (VCC = 3 V) IOL = 3 mA 0.4 V VOH1 Output High Voltage IOH = −1.6 mA VCC – 0.8 V |
Similar Part No. - CAT5261_13 |
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Similar Description - CAT5261_13 |
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