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Dallas Semiconducotr - 5-Bit / Programmable / 100kHz Pulse-Width Modulator

Numéro de référence DS1052
Description 5-Bit / Programmable / 100kHz Pulse-Width Modulator
Fabricant Dallas Semiconducotr 
Logo Dallas Semiconducotr 





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DS1052 fiche technique
www.maxim-ic.com
DS1052
5-Bit, Programmable, 100kHz
Pulse-Width Modulator
FEATURES
§ Single 5-bit, programmable, pulse-width
modulator (PWM)
§ Adjustable Duty Cycle: 0% to 100%
§ 2.7V to 5.5V Operation
§ Standard Frequency Value: 100kHz
§ 2-Wire Addressable Interface
§ Packages: 8-Pin (150-mil) SOIC and 8-Pin
(118-mil) mSOP
§ Operating Temperature: -40oC to +85oC
ORDERING INFORMATION
DS1052Z-100
100kHz 8-Pin 150-mil SOIC
DS1052U-100 100kHz 8-Pin 118-mil mSOP
PIN ASSIGNMENT
SCL 1
8 VCC
SDA
2
7 A1
A0 3
6 A2
GND
4
5 PWMo
8-Pin 150-mil SOIC
8-Pin 118-mil mSOP
PIN DESCRIPTION
VCC
PWMO
A0, A1, A2
- 2.7V to 5.5V Power Supply
- PWM Ouput
- Device Address
SDA
- Serial Data I/O
SCL - Serial Clock Input
GND
- Ground
DESCRIPTION
The DS1052 is a programmable, 5-bit, pulse-width modulator featuring a 2-wire addressable controlled
interface. The DS1052 operates from power supplies ranging from 2.7V up to 5.5V. The PWM output
provides a signal that swings from 0V to VCC.
The DS1052-100 requires a typical operating current of 100µA and a programmable shutdown supply
current of 1µA.
One standard PWM output frequency is offered: 100kHz. The 2-wire addressable interface allows
operation of multiple devices on a single 2-wire bus and provides compatibility with other Dallas
Semiconductor 2-wire devices such as real-time clocks (RTCs), digital thermometers, and digital
potentiometers.
The device is ideal for low-cost LCD contrast and/or brightness control, power supply voltage
adjustment, and battery charging or current adjustment. The DS1052 is offered in standard integrated
circuit packaging, including the 8-pin (150-mil) SOIC and space-saving 8-pin (118-mil) mSOP.
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