LTC6904

PRODUCTION

1kHz - 68MHz Serial Port Programmable Oscillator

Part Models: 8
1ku List Price: Starting From $2.92

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Overview

1kHz to 68MHz Square Wave Output
0.5% (Typ) Initial Frequency Accuracy
Frequency Error <1.1% Over All Settings
10ppm/°C Typical Frequency Drift Over Temperature
0.1% Resolution
1.7mA Typical Supply Current (f < 1MHz, V_S = 2.7V)
2.7V to 5.5V Single Supply Operation
Jitter <0.4% Typical 1kHz to 8MHz
Easy to Use SPI (LTC6903) or I²C (LTC6904) Serial Interface
Output Enable Pin
–55°C to 125°C Operation
MS8 Package

The LTC6903/LTC6904 are low power self contained digital frequency sources providing a precision frequency from 1kHz to 68MHz, set through a serial port. The LTC6903/ LTC6904 require no external components other than a power supply bypass capacitor, and they operate over a single wide supply range of 2.7V to 5.5V.

The LTC6903/LTC6904 feature a proprietary feedback loop that linearizes the relationship between digital control setting and frequency, resulting in a very simple frequency setting equation:

ltc6903-6904-eq1

where OCT is a 4-bit digital code and DAC is a 10-bit digital code.

The LTC6903 is controlled by a convenient SPI compatible serial interface. The LTC6904 uses an industry standard I²C compatible interface.

Applications

Precision Digitally Controlled Oscillator
Power Management
Direct Digital Frequency Synthesis (DDS) Replacement
Replacement for DAC and VCO
Switched Capacitor Filter Clock

Part Models: 8
1ku List Price: Starting From $2.92

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC6904CMS8#PBF	8-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC6904CMS8#TRPBF	8-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC6904HMS8#PBF	8-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC6904HMS8#TRPBF	8-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC6904IMS8#PBF	8-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC6904IMS8#TRPBF	8-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC6904MPMS8#PBF	8-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
LTC6904MPMS8#TRPBF	8-Lead MSOP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Feb 3, 2020 - 20_0128 Laser Top Mark for 8 Lead MSOP Packages Assembled in ADPG and UTAC
		PCN20_0128_Form Material_Report
LTC6904CMS8#PBF	PRODUCTION
LTC6904CMS8#TRPBF	PRODUCTION
LTC6904HMS8#PBF	PRODUCTION
LTC6904HMS8#TRPBF	PRODUCTION
LTC6904IMS8#PBF	PRODUCTION
LTC6904IMS8#TRPBF	PRODUCTION
LTC6904MPMS8#PBF	PRODUCTION
LTC6904MPMS8#TRPBF	PRODUCTION
Jun 5, 2024 - 24_0003 Epoxy Change from Henkel 8290 to 8290A for MSOP Package (2)
		PCN24_0003_Form Material_Report Qualification Results Summary Delta Qualification Matrix
LTC6904MPMS8#PBF	PRODUCTION
LTC6904MPMS8#TRPBF	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

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LTC6904

Overview

Documentation

Data Sheet 1

Reliability Data 1

Technical Articles 1

3rd Party Solutions 1

Product Selector Card 1

Software Resources

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