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AD5204BRZ10 数字电位计
AD5204BRZ10
ADI
无铅环保型
: 10 kOhms
: SPI
: Volatile
: Quad
相关产品
产品信息
AD5204BRZ10
4-/6-Channel Digital Potentiometers 数字电位计 IC IC 4-CH
GENERAL DESCRIPTION
The AD5204BRZ10 AD5204/AD5206 provide 4-/6-channel, 256-position digitally controlled variable resistor (VR) devices. These devices perform the same electronic adjustment function as a potentiometer or variable resistor. Each channel of the AD5204/ AD5206 contains a fixed resistor with a wiper contact that taps the fixed resistor value at a point determined by a digital code loaded into the SPI-compatible serial-input register. The resistance between the wiper and either endpoint of the fixed resistor varies linearly with respect to the digital code transferred into the VR latch. The variable resistor offers a completely programmable value of resistance between the A terminal and the wiper or the B terminal and the wiper. The fixed A-to-B terminal resistance of 10 kΩ, 50 kΩ, or 100 kΩ has a nominal temperature coefficient of 700 ppm/°C.
APPLICATIONS AD5204BRZ10
Mechanical potentiometer replacement
Instrumentation: gain, offset adjustment
Programmable voltage-to-current conversion
Programmable filters, delays, time constants
Line impedance matching
FEATURES AD5204BRZ10
256 positions
Multiple independently programmable channels
AD5204—4-channel
AD5206—6-channel
Potentiometer replacement
Terminal resistance of 10 kΩ, 50 kΩ, 100 kΩ
3-wire SPI-compatible serial data input
+2.7 V to +5.5 V single-supply operation; ±2.7 V dual-supply
operation
Power-on midscale preset