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MAX5417NETA+ Datasheet(PDF) 8 Page - Maxim Integrated Products |
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MAX5417NETA+ Datasheet(HTML) 8 Page - Maxim Integrated Products |
8 / 14 page 256-Tap, Nonvolatile, I2C-Interface, Digital Potentiometers 8 _______________________________________________________________________________________ Pin Description PIN NAME FUNCTION 1VDD Power-Supply Input. 2.7V to 5.25V voltage range. Bypass with a 0.1µF capacitor from VDD to GND. 2 SCL I 2C-Interface Clock Input 3 SDA I 2C-Interface Data Input 4A0 Address Input. Sets the A0 bit in the device ID address. 5 GND Ground 6 L Low Terminal 7 W Wiper Terminal 8 H High Terminal —EP Exposed Pad. Internally connected to GND. Connect to a large ground plane to maximize thermal performance. Not intended as an electrical point. tHD-STA tSU-DAT tHIGH tR tF tHD-DAT tHD-STA S Sr A tSU-STA tLOW tBUF tSU-STO PS tR tF SCL SDA PARAMETERS ARE MEASURED FROM 30% TO 70%. Detailed Description The MAX5417/MAX5418/MAX5419 contain a resistor array with 255 resistive elements. The MAX5417 has a total end-to-end resistance of 50k Ω, the MAX5418 has an end-to-end resistance of 100k Ω, and the MAX5419 has an end-to-end resistance of 200k Ω. The MAX5417/MAX5418/MAX5419 allow access to the high, low, and wiper terminals for a standard voltage-divider configuration. H, L, and W can be connected in any desired configuration as long as their voltages fall between GND and VDD. A simple 2-wire I2C-compatible serial interface moves the wiper among the 256 tap points. A nonvolatile mem- ory stores the wiper position and recalls the stored wiper position in the nonvolatile memory upon power-up. The nonvolatile memory is guaranteed for 50 years for wiper data retention and up to 200,000 wiper store cycles. Figure 1. I2C Serial-Interface Timing Diagram VDD IOL = 3mA IOH = 0mA VOUT 400pF SDA Figure 2. Load Circuit |
Similar Part No. - MAX5417NETA+ |
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Similar Description - MAX5417NETA+ |
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