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MCP41XXX Digital Potentiometer

Item id: 99 | Vendedor: LeBon (0) 0.0% positivo
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R$ 80.00

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Brazil, RS Veranopolis
Compra protegida pelo Programa Shop S-mart
Não especificado
Devolução: Não aceita devolução

The MCP41XXX and MCP42XXX devices are 256-
position, digital potentiometers available in 10 kÎ©,
50 kÎ© and 100 kÎ© resistance versions. The
MCP41XXX is a single-channel device and is offered in
an 8-pin PDIP or SOIC package. The MCP42XXX contains
two independent channels in a 14-pin PDIP, SOIC
or TSSOP package. The wiper position of the
MCP41XXX/42XXX varies linearly and is controlled via
an industry-standard SPI interface. The devices consume
<1 Î¼A during static operation. A software shutdown
feature is provided that disconnects the âAâ
terminal from the resistor stack and simultaneously connects
the wiper to the âBâ terminal. In addition, the dual
MCP42XXX has a SHDN pin that performs the same
function in hardware. During shutdown mode, the contents
of the wiper register can be changed and the
potentiometer returns from shutdown to the new value.
The wiper is reset to the mid-scale position (80h) upon
power-up. The RS (reset) pin implements a hardware
reset and also returns the wiper to mid-scale. The
MCP42XXX SPI interface includes both the SI and SO
pins, allowing daisy-chaining of multiple devices. Channel-
to-channel resistance matching on the MCP42XXX
varies by less than 1%. These devices operate from a
single 2.7 - 5.5V supply and are specified over the
extended and industrial temperature ranges.