AD8403ARUZ1

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Series Information for AD8403ARUZ1 - Analog Devices

Features

  • feature
    256-position variable resistance device Replaces 1, 2, or 4 potentiometers 1 ku2126, 10 ku2126, 50 ku2126, 100 ku2126 Power shutdownu2014less than 5 u03bcA 3-wire,SPI-compatible serial data input 10 MHz update data loading rate 2.7 V to 5.5 V single-supply operation Qualified for automotive applications

Description

DIGITAL POT 8BIT 1K QUAD TSSOP24
The AD8400/AD8402/AD8403 provide a single-, dual-, or quad-channel, 256-position, digitally controlled variable resistor (VR) device.1 These devices perform the same electronic adjust- ment function as a mechanical potentiometer or variable resistor. The AD8400 contains a single variable resistor in the compact SOIC-8 package. The AD8402 contains two independent variable resistors in space-saving SOIC-14 surface-mount packages. 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 the 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 kΩ, 10 kΩ, 50 kΩ, or 100 kΩ 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.

Specifications

End To End Resistance:
1kohm
No. of Pots:
Quad
Control Interface:
3 Wire Serial
Track Taper:
-
Resistance Tolerance:
± 1%
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.5V
Potentiometer IC Case Style:
TSSOP
No. of Pins:
24Pins
No. of Steps:
256
Temperature Coefficient:
± 500ppm/°C
Operating Temperature Min:
-40°C
Operating Temperature Max:
125°C
Product Range:
Quad 256-Tap Volatile Digital Pots
Automotive Qualification Standard:
-
RoHS Phthalates Compliant:
Yes
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (07-Jul-2017)
Base Number:
8403
Logic Function Number:
8403
No. Steps:
256
No. of Channels:
4Channels
Operating Temperature Range:
-40°C to +125°C
Resistance Range Type:
Linear
Supply Voltage Range:
2.7V to 5.5V
Termination Type:
Surface Mount Device