wms7131 ETC-unknow, wms7131 Datasheet
wms7131
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wms7131 Summary of contents
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WMS7130/1 NONVOLATILE DIGITAL POTENTIOMETERS WITH UP/DOWN (3-WIRE) INTERFACE, 10KOHM, 50KOHM, 100KOHM RESISTANCE WITH OPTIONAL OUTPUT BUFFER PRELIMINARY 32 TAPS Publication Release Date: April 21, 2005 - 1 - Revision 1.0 ...
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... Up/Down interface. Power-on recall is also built in so the content of the NVMEM0 to Tap Register is automatically loaded. The WMS7130/1 devices pin out the resistor wiper directly. The WMS7131 devices feature an output buffer with 3mA minimum drive capability. ...
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... Serial U/D Interface NV Memory V SS Control FIGURE 1 – WMS7130 BLOCK DIAGRAM (Rheostat Mode) INC Up/Down CS Serial U/D Interface NV Memory V SS Control FIGURE 2 – WMS7131 BLOCK DIAGRAM (Divider Mode) NV Memory NVMEM0 NV Memory NVMEM0 Publication Release Date: April 21, 2005 - 3 - WMS7130 ...
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TABLE OF CONTENTS 1. GENERAL DESCRIPTION.................................................................................................................. 2 2. FEATURES ......................................................................................................................................... 2 3. BLOCK DIAGRAM .............................................................................................................................. 3 4. TABLE OF CONTENTS ...................................................................................................................... 4 5. PIN CONFIGURATION ....................................................................................................................... 5 6. PIN DESCRIPTION ............................................................................................................................. 6 7. FUNCTIONAL DESCRIPTION............................................................................................................ 7 7.1. Potentiometer and ...
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PIN CONFIGURATION 1 INC 2 U 8-MSOP 1 INC 2 U 8-PDIP INC ...
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PIN DESCRIPTION Pin Name I/O I INC TABLE 1 – PIN DESCRIPTION Description Increment Control. A High-Low transition ...
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... The WMS7130/1 can operate as either a rheostat potentiometer (voltage divider). When in the potentiometer configuration there are two possible modes. One is done using WMS7130 Winpot device without the output buffer and the other mode is done with WMS7131 WinPot device with the output buffer. ...
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... Direct refresh of tap register (TR) from internal NVMEM • Nonvolatile storage of the present tap register value into the NVMEM and automatic recall at power up • For WMS7131 devices, output buffer amplifier 7. PERATION VERVIEW The wiper position or the Tap Register(TR) setting can only be changed by the UP/DOWN operation ...
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TIMING DIAGRAMS Conditions +2.7V to 5.5V INC FIGURE 3 –WMS7130/1 TIMING DIAGRAM Note: [ the AC Timing diagram (Figure ...
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TABLE 10 – TIMING PARAMETERS PARAMETERS CS INC to Setup INC U/ to Setup D INC U/ to Hold D INC LOW Period INC HIGH Period INC CS Inactive to Inactive CS Deselect Time (NO STORE) CS Deselect Time (STORE) ...
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ABSOLUTE MAXIMUM RATINGS TABLE 11 – ABSOLUTE MAXIMUM RATINGS (PACKAGED PARTS) Conditions Junction temperature Storage temperature Voltage applied to any pad V – TABLE 12 – OPERATING CONDITIONS (PACKAGED PARTS) Conditions Commercial operating temperature range Extended ...
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ELECTRICAL CHARACTERISTICS TABLE 12 – ELECTRICAL CHARACTERISTICS (Packaged parts) PARAMETERS Rheostat Mode Nominal Resistance [2] Different Non Linearity [2] Integral Non Linearity 1 Tempo [2] Wiper Resistance Wiper Current Divider Mode Resolution [2] Different Non Linearity [2] Integral Non ...
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PARAMETERS Output Low Voltage Input Leakage Current Output Leakage Current [1] Input Capacitance [1] Output Capacitance Power Requirements Operating Voltage Operating Current Operating Current Standby Current Power Supply Rejection Ratio Notes: [1] Not subject to production test. [2] LSB = ...
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T C EST IRCUITS 1LSB= V+/256 WMS71xx *Assume infinite input impedance Potentiometer divider nonlinearity error test circuit (INL, DNL) No Connection WMS71xx ...
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TYPICAL APPLICATION CIRCUITS Vin WMS71XX OUT − R (256 256 R = Total resistance of potentiometer Wiper setting for WMS71XX ...
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WMS71xx GND FIGURE 7 – WMS7130/1 TRIMMING VOLTAGE REFERENCE CS\ U/D\ INC\ FIGURE 8 – WMS7130/1 RF AMP CONTROL 32mA V REFH V REF = 5.0v C1 0.1uF CS U/ INC ...
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L C AYOUT ONSIDERATIONS Use a 0.1μF bypass capacitor as close as possible to the V performance. Often this can be done by placing the surface mount capacitor on the bottom side of the PC board, directly between the ...
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PACKAGE DRAWINGS AND DIMENSIONS SEATING PLANE b Control demensions are in milmeters . SYMBOL θ DIMENSION ...
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FIGURE 12: 8L 3MM MSOP - 20 - WMS7130/1 ...
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... End-to-end Resistance: 010: 10Kohm 050: 50Kohm 100: 100Kohm Package: S: SOIC P: PDIP M: MSOP SOIC PDIP WMS7130010S WMS7130010P WMS7130050S WMS7130050P WMS7130100S WMS7130100P WMS7131010S WMS7131010P WMS7131050S WMS7131050P WMS7131100S WMS7131100P Publication Release Date: April 21, 2005 - 21 - WMS7130/1 MSOP WMS7130010M WMS7130050M WMS7130100M WMS7131010M WMS7131050M WMS7131100M Revision 1.1 ...
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VERSION HISTORY VERSION DATE 1.0 June 2003 Initial issue 1.1 April 2005 Revise disclaim section DESCRIPTION - 22 - WMS7130/1 ...
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Winbond products are not designed, intended, authorized or warranted for use as components in systems or equipment intended for surgical implantation, atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, or for other ...