전자부품 데이터시트 검색엔진 |
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DS3908 데이터시트(PDF) 1 Page - Maxim Integrated Products |
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DS3908 데이터시트(HTML) 1 Page - Maxim Integrated Products |
1 / 11 page General Description The DS3908 contains two nonvolatile digital poten- tiometers with programmable-gain amplifiers buffering the wiper outputs. The potentiometer position and amplifier gain are controlled through an I2C*-compati- ble serial bus. The DS3908 operates in both 3.3V and 5V systems and features a write-protect pin that locks the position of the potentiometers and gain registers. Up to eight DS3908s can be placed on a single I2C bus. Applications Pin-Diode Biasing Power-Supply Calibration Cell Phones and PDAs Portable Electronics Features o Two 64-Position Linear Taper Potentiometers o Integral Wiper Buffering Amplifiers with Selectable Gains of 1V/V, 2V/V, or 4V/V o 100kΩ Potentiometer End-to-End Resistance o Low Potentiometer Temperature Coefficient o Nonvolatile Wiper and Gain Storage o I2C-Compatible Interface o Write-Protect Pin Prevents Accidental Field Reprogramming o 3V to 5.5V Supply Voltage Range o -40°C to +85°C Operating Temperature Range o 14-Pin TDFN Package Dual, 64-Position Nonvolatile Digital Potentiometer with Buffered Outputs ______________________________________________ Maxim Integrated Products 1 TDFN (3mm x 3mm) TOP VIEW 2 4 5 13 11 10 H1 L1 H0 SCL A1 A2 1 14 VCC SDA 3 12 V1 A0 6 9 V0 WP 7 8 L0 GND DS3908 Pin Configuration POT0 H0 V0 L0 H1 V1 L1 I2C INTERFACE SDA SCL A0 A1 A2 WP VOLTAGE REFERENCE NV ADJUSTABLE REFERENCE VOLTAGE NV ADJUSTABLE REFERENCE VOLTAGE VCC DS3908 PGA0 POT1 PGA1 Typical Operating Circuit Rev 0; 4/06 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. +Denotes lead-free package. Ordering Information PART TEMP RANGE PIN-PACKAGE DS3908N+ -40°C to +85°C 14 TDFN I2C is a trademark of Philips Corp. Purchase of I2C components from Maxim Integrated Products, Inc., or one of its sublicensed Associated Companies, conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips. |
유사한 부품 번호 - DS3908 |
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유사한 설명 - DS3908 |
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