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MAX1474

Maxim Integrated Products
Part Number MAX1474
Manufacturer Maxim Integrated Products
Description Miniature Electronically Trimmable Capacitor
Published Oct 17, 2007
Detailed Description www.DataSheet4U.com 19-1948; Rev 1; 3/01 Miniature Electronically Trimmable Capacitor General Description The MAX1474 i...
Datasheet PDF File MAX1474 PDF File

MAX1474
MAX1474

Overview
www.
DataSheet4U.
com 19-1948; Rev 1; 3/01 Miniature Electronically Trimmable Capacitor General Description The MAX1474 is a fine-line (geometry) electronically trimmable capacitor (FLECAP) programmable through a simple digital interface.
There are 32 programmable capacitance values ranging from 6.
4pF to 13.
3pF in 0.
22pF increments (Table 1).
The quartz dielectric capacitance is highly stable and exhibits a very low voltage coefficient.
It has virtually no dielectric absorption and has a very low temperature drift coefficient (<33ppm/°C).
The MAX1474 is programmed through two digital interface pins, which have Schmidt triggers and pulldown resistors to secure capacitance programming.
Features o Tiny SC70 Package (1.
1mm x 2.
2mm x 2.
4mm) o High-Performance Electronically Trimmable Capacitance o Very Simple Digital Interface o Eliminates the Need for Mechanical Tuning o Enabling Technology for Low-Cost Production Line Automation o Fully Static Operation After Programming (No Switching) MAX1474 Customization Maxim can customize the MAX1474 for specific highvolume applications.
Contact Maxim for further information.
Applications Post-Trim of Low-Cost Regenerative Receivers Tunable RF Stages Low-Cost, Low-Temperature Drift Oscillators Garage Door Openers Keyless Entry Industrial Wireless Control Capacitive Sensor Trimming RFID Tags CP Ordering Information PART MAX1474AXT-T PINPACKAGE -40°C to +125°C 6 SC70-6 TEMP.
RANGE TOP MARK AAT Functional Diagram 0.
2pF CM 0.
4pF Pin Configuration 6pF 0.
8pF 6pF TOP VIEW CP 1 1.
6pF MAX1474 VDD VSS 3.
2pF AAT SC70 6 CM VDD 2 5 VSS EN 3 4 DAT EN LOGIC INTERFACE DAT ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.
maxim-ic.
com.
www.
DataSheet4U.
com Miniature Electronically Trimmable Capacitor MAX1474 ABSOLUTE MAXIMUM RATINGS Supply Voltage,...


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