Integrated Circuits (ICs) > Data Converter ICs > Digital Potentiometers > AD8402AR50

AD8402AR50

Analog Devices

Part Number:	AD8402AR50
Manufacturer:	Analog Devices
Part Type:	Integrated Circuits (ICs) > Data Converter ICs > Digital Potentiometers > AD8402AR50
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Description:	Digital Potentiometer 50kOhm 256POS Volatile Linear 14-Pin SOIC N Tube

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Digital Potentiometer 50kOhm 256POS Volatile Linear 14-Pin SOIC N Tube

Specifications

TYPE	DESCRIPTION
Case/Package	SOIC N
Contact Plating	Lead, Tin
Mount	Surface Mount
Number of Pins	14
-3db Bandwidth	5 MHz
Interface	SPI
Max Operating Temperature	125 °C
Max Supply Current	900 µA
Max Supply Voltage	5.5 V
Memory Type	Volatile
Min Operating Temperature	-40 °C
Min Supply Voltage	2.7 V
Nominal Supply Current	10 nA
Number of Circuits	1
Number of Elements	2
Number of Positions	256
Number of Taps	256
Operating Supply Current	10 nA
Operating Supply Voltage	5.5 V
Quiescent Current	10 nA
Resistance	50 kΩ
Taper	Pseudo-Logarithmic
Temperature Coefficient	500 ppm/°C
Tolerance	1 %
Height	1.5 mm
Length	8.75 mm
Width	4 mm

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Documentation for Analog Devices AD8402AR50

Datasheet	View & Download AD8402AR50 Datasheet
Datasheet	View & Download AD8402AR50 Datasheet
Datasheet	View & Download AD8402AR50 Datasheet

Alternate Descriptions

Descriptions of Analog Devices AD8402AR50 provided by its distributors.
Digital Potentiometer 50kOhm 256POS Volatile Linear 14-Pin SOIC N Tube
Digital Potentiometer 256 Position 50k Ohm Dual 14-Pin SOIC N
IT CAN ALSO OPERATE FROM A 5V NOMINAL SUPPLY SPI R-PDSO-G14 Potentiometer digital potentiometer 0.125kHz 5.5V 50kOhm 8.65mm
The AD8400/AD8402/AD8403 provide a single, dual or quad channel, 256 position digitally controlled variable resistor (VR) device. These devices perform the same electronic adjustment function as a potentiometer or variable resistor. The AD8400 contains a single variable resistor in the compact SO-8 package. The AD8402 contains two independent variable resistors in saving SO-14 surface mount package. The AD8403 contains four independent variable resistors in 24-lead PDIP, SOIC and TSSOP packages. Each part 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 controlling 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. Each 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 1 kOhm, 10 kOhm, 50 kOhm or 100 kOhm has a ±1% channel-to-channel matching tolerance with a nominal temperature coefficient of 500 ppm/°C. A unique switching circuit minimizes the high glitch inherent in traditional switched resistor designs avoiding any make-before-break or break-before-make operation. Each VR has its own VR latch that holds its programmed resistance value. These VR latches are updated from an SPI compatible serial-to-parallel shift register that is loaded from a standard 3-wire serial-input digital interface. Ten data bits make up the data word clocked into the serial input register. The data word is decoded where the first two bits determine the address of the VR latch to be loaded, the last eight bits are data. A serial data output pin at the opposite end of the serial register allows simple daisy-chaining in multiple VR applications without additional external decoding logic.

AD8402AR50

Analog Devices

Specifications

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Documentation for Analog Devices AD8402AR50

Alternate Descriptions

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