Product Design Calculators

1-Wire/iButton Software	Description/Parts	Reference/Documentation
1-Wire® Rpup Calculator (ZIP, 244kB)	1-Wire Protocol
1-Wire Temp Logger Calculator (ZIP, 335kB)	DS1921G, DS1921H, DS1921Z, DS1922E, DS1922L, DS1922T, DS1923

Amplifiers/Current Sense	Description/Parts	Reference/Documentation
Current-Sense Error Budget Calculator	Provides current-sense error estimates for Maxim's current-sense amplifiers

Clocks/Oscillators	Description/Parts	Reference/Documentation
DS1077L 3-Volt Frequency Calculator	DS1077L: 3V	Application Note 173: DS1077L EconOscillator Architecture and Online Interactive Frequency Calculator Abstract
DS1077 5-Volt Frequency Calculator (XLS)	DS1077: 5V	Application Note 185: DS1077 5V EconOscillator Architecture and Online Interactive Frequency Calculator Abstract
Frequency Calculator for the DS1085/DS1085L EconOscillator	DS1085, DS1085L	Application Note 182: Frequency Calculator for the DS1085/DS1085L EconOscillator Abstract
DS1086 Frequency Calculator and Frequency Calculation Algorithm	DS1086	Application Note 218: DS1086 Frequency Calculator and Frequency Calculation Algorithm Abstract
Frequency Calculator for the DS1086L (XLS)	DS1086L	Application Note 3899: Frequency Calculator for the DS1086L Abstract
Frequency Calculator for the DS1090 (XLS)	DS1090	Application Note 3692: Frequency Calculator for the DS1090 Abstract
Frequency Calculator for the DS1094L (XLS)	DS1094L	Application Note 3393: Frequency Calculator for the DS1094L Abstract
MAX3670 Loop Bandwidth Calculator	MAX3670	Application Note 1032: MAX3670: Loop-Filter Configuration for the MAX3670 Low-Jitter PLL Reference Clock Generator Abstract

Display Drivers	Description/Parts	Reference/Documentation
MAX6954/MAX6955 Connection Scheme Tool	MAX6954, MAX6955	Application Note 1131: Selecting Numeric and Alphanumeric Display Configurations for the MAX6954 and MAX6955 SPI and I²C LED Display Drivers Abstract

Data Converter	Description/Parts	Reference/Documentation
Data Conversion Calculator
MX7705, MAX1415, MAX1416 Configuration Tool	MX7705, MAX1415, MAX1416
Sigma Delta Calculator (XLS)		Application Note 1870: Demystifying Delta-Sigma ADCs Abstract
Steve's Analog Design Calculators	DACs, ADCs, Digital Potentiometers, Voltage References, and more	Application Note 5063: Statistical Process Control Calculator Tutorial Abstract Application Note 5061: Effective Number of Bits Calculator Tutorial Abstract Application Note 5060: ADC/DAC Accuracy Calculator Tutorial Abstract Application Note 5059: Thermal Noise Calculator Tutorial Abstract

Hot Swap/Power Switching	Description/Parts	Reference/Documentation
MAX5924, MAX5925, MAX5926 Calculator Spreadsheet (XLS)	MAX5924, MAX5925, MAX5926

RF	Description/Parts	Reference/Documentation
Calculating Transmitted Power Using Return Loss (ZIP)
Power Conversion Table (ZIP)
Wireless Cascaded Gain and Noise Figure (ZIP)

RTCs	Description/Parts	Reference/Documentation
Battery Life Calculator	All Real-Time Clocks	Application Note 505: Lithium Coin-Cell Batteries: Predicting an Application Lifetime Abstract
Manganese Lithium Rechargeable Cell Lifetime Calculator	DS12CR887, DS12R885, DS12R887
Real-Time Clock Calculator	All Real-Time Clocks	Application Note 58: Crystal Considerations with Maxim Real-Time Clocks (RTCs) Abstract
Super Capacitor Calculator	All Real-Time Clocks

Power and Battery Management	Description/Parts	Reference/Documentation
MAX15038 Design Spreadsheet (XLS)	MAX15038
MAX15039 Design Spreadsheet (XLS)	MAX15039
MAX16819/MAX16820 Inductor and Sense-Resistor Design Tool	MAX16819, MAX16820
MAX16819/MAX16820 Inductor and Sense Resistor Design Tool (XLS)	MAX16819, MAX16820
MAX16822A/B Version Design Tool (XLS)	MAX16822A, MAX16822B
MAX16832A/C Version Design Tool (XLS)	MAX16832A, MAX16832C
MAX1846, MAX1847 Compensation Calculator (XLS)	MAX1846, MAX1847	Application Note 3591: Compensation Calculator for the MAX1846/MAX1847 Inverting DC-DC Converters Abstract
MAX8643/MAX8643A Design Calculation Spreadsheet (XLS)	MAX8643, MAX8643A
MAX8543 Mathcad Worksheet (ZIP)	MAX8543	Use with the MAX8543 datasheet to speed the design of power supplies using the MAX8543. The Mathcad worksheet incorporates most of the equations in the datasheet along with equations and graphs of current waveforms, voltage noise and loop response. Requires Mathcad software that is able to run Mathcad 2000 worksheets.
MAX8646 Excel Spreadsheet (XLS)	MAX8646
MAX8660 Step Down Output Current Spreadsheet (XLS)	MAX8660
MAX8900A/MAX8900B Fast-Charge Current vs RSETI (XLS)	MAX8900A, MAX8900B, MAX8900C
MAX8900A/MAX8900B Prequalification Current and Done Threshold vs RDNI (XLS)	MAX8900A, MAX8900B, MAX8900C
MAX8900A/MAX8900B Thermistor Monitor Spreadsheet (XLS)	MAX8900A, MAX8900B, MAX8900C
MAX8903 Inductor Selector Guide (XLS)	MAX8903A, MAX8903B, MAX8903C, MAX8903D, MAX8903E, MAX8903G, MAX8903H, MAX8903J, MAX8903N, MAX8903Y
Use to Expedite Calculation of Component Values for MAX16948 Designs (XLS)	MAX16948	Application Note 5271: This is an Excel spreadsheet. To use, first save this file to your computer. Macros may initially be disabled. If so, from the security warning bar click options then click select "enable this content."

Voltage Reference	Description/Parts	Reference/Documentation
Steve's Analog Design Calculators	DACs, ADCs, Digital Potentiometers, Voltage References, and more	Application Note 5062: Bandgap Reference Calculator Tutorial Abstract
Temperature Drift Calculator		Application Note 2879: Selecting the Optimum Voltage Reference Abstract