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X9279UV14Z-2.7 Datasheet(PDF) 3 Page - Intersil Corporation |
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X9279UV14Z-2.7 Datasheet(HTML) 3 Page - Intersil Corporation |
3 / 22 page 3 FN8175.2 September 27, 2005 CIRCUIT LEVEL APPLICATIONS • Vary the gain of a voltage amplifier • Provide programmable dc reference voltages for comparators and detectors • Control the volume in audio circuits • Trim out the offset voltage error in a voltage amplifier circuit • Set the output voltage of a voltage regulator • Trim the resistance in Wheatstone bridge circuits • Control the gain, characteristic frequency and Q-factor in filter circuits • Set the scale factor and zero point in sensor signal conditioning circuits • Vary the frequency and duty cycle of timer ICs • Vary the dc biasing of a pin diode attenuator in RF circuits • Provide a control variable (I, V, or R) in feedback circuits SYSTEM LEVEL APPLICATIONS • Adjust the contrast in LCD displays • Control the power level of LED transmitters in communication systems • Set and regulate the DC biasing point in an RF power amplifier in wireless systems • Control the gain in audio and home entertainment systems • Provide the variable DC bias for tuners in RF wireless systems • Set the operating points in temperature control systems • Control the operating point for sensors in industrial systems • Trim offset and gain errors in artificial intelligent systems PIN CONFIGURATION PIN ASSIGNMENTS Pin TSSOP Symbol Function 1 NC No Connect 2 A0 Device Address for 2-Wire bus. 3 NC No Connect 4 A2 Device Address for 2-Wire bus. 5 SCL Serial Clock for 2-Wire bus. 6 SDA Serial Data Input/Output for 2-Wire bus. 7VSS System Ground. 8WP Hardware Write Protect 9 A1 Device Address for 2-Wire bus. 10 A3 Device Address for 2 wire-bus. 11 RW Wiper Terminal of the Potentiometer. 12 RH High Terminal of the Potentiometer. 13 RL Low Terminal of the Potentiometer. 14 VCC System Supply Voltage. VCC RL VSS 1 2 3 4 5 6 7 8 14 13 12 11 10 9 A0 RW SCL A2 TSSOP RH X9279 NC NC SDA A3 WP A1 X9279 |
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