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ISL22319 数据表(PDF) 8 Page - Intersil Corporation |
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ISL22319 数据表(HTML) 8 Page - Intersil Corporation |
8 / 13 page 8 FN6310.0 July 3, 2006 Pin Description Potentiometers Pins RW RW 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 WR register. SHDN The active low SHDN pin forces the resistor to end-to-end open circuit condition and shorts RWi to GND. When SHDN is returned to logic high, the previous latch settings put RW 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. Bus Interface Pins Serial Data Input/Output (SDA) The SDA is a bidirectional serial data input/output pin for I2C interface. It receives device address, operation code, wiper address and data from an I2C external master device at the 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 RW FIGURE 11. DCP CONNECTION IN SHUTDOWN MODE ISL22319 |
类似零件编号 - ISL22319 |
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类似说明 - ISL22319 |
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