X9429 INTERSIL [Intersil Corporation], X9429 Datasheet - Page 3

• Manufacturer Part Number: X9429
• Manufacturer: INTERSIL [Intersil Corporation]

Detailed Functional Diagram
Circuit Level Applications
• Vary the Gain of a Voltage Amplifier
• Provide Programmable DC Reference Voltages for
• Control the Volume in Audio Circuits
• Trim Out the Offset Voltage Error in a Voltage Amplifier
• Set the Output Voltage of a Voltage Regulator
• Trim the Resistance in Wheatstone Bridge Circuits
• Control the Gain, Characteristic Frequency and
• Set the Scale Factor and Zero Point in Sensor Signal
• Vary the Frequency and Duty Cycle of Timer ICs
• Vary the DC Biasing of a Pin Diode Attenuator in RF
• Provide a Control Variable (I, V, or R) in Feedback Circuits
Comparators and Detectors
Circuit
Q-factor in Filter Circuits
Conditioning Circuits
Circuits
SDA
SCL
WP
A3
A2
A0
INTERFACE
CIRCUITRY
CONTROL
3
V
AND
V
SS
CC
CONTROL
D ATA
X9429
DR0 DR1
DR2 DR3
POWER-ON RECALL
System Level Applications
• Adjust the Contrast in LCD Displays
• Control the Power Level of LED Transmitters in
• Set and Regulate the DC Biasing Point in an RF Power
• Control the Gain in Audio and Home Entertainment
• Provide the Variable DC Bias for Tuners in RF Wireless
• Set the Operating Points in Temperature Control Systems
• Control the Operating Point for Sensors in Industrial
• Trim Offset and Gain Errors in Artificial Intelligent Systems
REGISTER
COUNTER
WIPER
(WCR)
Communication Systems
Amplifier in Wireless Systems
Systems
Systems
Systems
10kΩ
64--TAPS
R
R
R
H
L
W
October 13, 2008
/V
/V
/V
L
H
W
FN8248.3