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MAX5435PEZT-T Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX5435PEZT-T Datasheet(HTML) 4 Page - Maxim Integrated Products |
4 / 17 page 32-Tap, Nonvolatile, I2C, Linear, Digital Potentiometers 4 _______________________________________________________________________________________ TIMING CHARACTERISTICS (continued) (VDD = +2.7V to +5.25V, VH = VDD, VL = GND, TA = -40°C to +85°C, unless otherwise noted. Typical values are at VDD = +5V, TA = +25°C.) (Figures 1 and 2) (Note 1) Typical Operating Characteristics (VDD = +5V, TA = +25°C, unless otherwise noted.) 0 0.3 0.9 0.6 1.2 1.5 -40 10 -15 35 60 85 STANDBY SUPPLY CURRENT vs. TEMPERATURE TEMPERATURE ( °C) DIGITAL INPUTS = GND OR VDD VDD = 5V VDD = 3V 0 0.2 0.6 0.4 0.8 1.0 2.5 3.5 3.0 4.0 4.5 5.0 5.5 SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) DIGITAL INPUTS = GND OR VDD 02 13 5 SUPPLY CURRENT vs. DIGITAL INPUT VOLTAGE DIGITAL INPUT VOLTAGE (V) 1000 0.1 1 10 100 VDD = 5V VDD = 3V 4 VV V WH H - 31 ⎛ ⎝⎜ ⎞ ⎠⎟ . VV V WL H - 31 ⎛ ⎝⎜ ⎞ ⎠⎟ . Note 2: The DNL and INL are measured with the potentiometer configured as a variable resistor. For the 3-terminal potentiometers (MAX5432/MAX5433), H is unconnected and L = GND. At VDD = 5V, W is driven with a source current of 80µA for the 50k Ω configuration, and 40µA for the 100k Ω configuration. At VDD = 3V, W is driven with a source current of 40µA for the 50kΩ configuration, and 20µA for the 100k Ω configuration. Note 3: The DNL and INL are measured with the potentiometer configured as a voltage-divider with H = VDD and L = GND (MAX5432/MAX5433 only). The wiper terminal is unloaded and measured with an ideal voltmeter. Note 4: Full-scale error is defined as Note 5: Zero-scale error is defined as Note 6: The wiper resistance is the worst value measured by injecting the currents given in Note 2 into W with L = GND. RW = (VW - VH) / IW. Note 7: The device draws current in excess of the specified supply current when the digital inputs are driven with voltages between (VDD - 0.5V) and (GND + 0.5V). See the Supply Current vs. Digital Input Voltage graph in the Typical Operating Characteristics. Note 8: Wiper is at midscale with a 10pF capacitive load. Potentiometer set to midscale, L = GND, an AC source is applied to H, and the output is measured as 3dB lower than the DC W/H value in dB. Note 9: This is measured from the STOP pulse to the time it takes the output to reach 50% of the output step size (divider mode). It is measured with a maximum external capacitive load of 10pF. Note 10: The programming current exists only during NV writes (12ms typ). Note 11: Digital timing is guaranteed by design and characterization, and is not production tested. Note 12: An appropriate bus pullup resistance must be selected depending on board capacitance. Refer to the I 2C-bus specifica- tion document linked to this web address: www.semiconductors.philips.com/acrobat/literature/9398/39340011.pdf Note 13: The idle time begins from the initiation of the stop pulse. |
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