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ISL22349WFV14Z Datasheet(PDF) 8 Page - Intersil Corporation |
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ISL22349WFV14Z Datasheet(HTML) 8 Page - Intersil Corporation |
8 / 12 page 8 FN6331.2 September 15, 2006 Pin Descriptions Potentiometers Pins RWi (i = 0, 1, 2 or 3) RWi is the wiper terminal and is equivalent to the movable terminal of a mechanical potentiometer. The position of the wiper within the array is determined by the WRi register. SHDN The SHDN pin forces the resistor to end-to-end open circuit condition and shorts all RWi to GND. When SHDN is returned to logic high, the previous latch settings put RWi at the same resistance setting prior to shutdown. This pin is logically OR’d with SHDN bit in ACR register. I2C interface is still available in shutdown mode and all registers are accessible. This pin must remain HIGH for normal operation. FIGURE 7. END TO END RTOTAL % CHANGE vs TEMPERATURE FIGURE 8. TC FOR VOLTAGE DIVIDER MODE IN ppm FIGURE 9. MIDSCALE GLITCH, CODE 3Fh TO 40h FIGURE 10. LARGE SIGNAL SETTLING TIME Typical Performance Curves (Continued) -1.00 -0.50 0.00 0.50 1.00 -40 -20 0 20 40 60 80 100 120 TEMPERATURE (ºC) 10k 50k Vcc = 5.5V Vcc = 2.7V 0 15 30 45 60 75 90 105 16 36 56 76 96 TAP POSITION (DECIM AL) 10k 50k FIGURE 11. DCP CONNECTION IN SHUTDOWN MODE RW ISL22349 |
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