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LTC6103CMS8 データシート(PDF) 1 Page - Linear Technology |
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LTC6103CMS8 データシート(HTML) 1 Page - Linear Technology |
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1 / 16 page  LTC6103 1 6103f TYPICAL APPLICATION FEATURES APPLICATIONS DESCRIPTION Dual High Voltage, High Side Current Sense Amplifier The LTC ®6103 is a versatile, high voltage, high side, dual current sense amplifier. The two internal amplifiers are independent except that they share the same V– terminal. Design flexibility is provided by the excellent device char- acteristics: 450µV maximum offset, and only 275µA of current consumption (typical at 12V) for each amplifier. The LTC6103 operates on supplies from 4V to 60V. The LTC6103 monitors current via the voltage across an external sense resistor (shunt resistor). Internal circuitry converts input voltage to output current, allowing for a small sense signal on a high common mode voltage to be translated into a ground referenced signal. Low DC offset al- lows the use of a small shunt resistor and large gain-setting resistors. As a result, power loss in the shunt is minimal. The wide operating supply range and high accuracy make the LTC6103 ideal for an extensive variety of applications from automotive to industrial and power management. The fast response makes the LTC6103 the perfect choice for load current warnings and shutoff protection control. With very low supply current, the LTC6103 is suitable for power sensitive applications. The LTC6103 is available in an 8-lead MSOP package. Two 16-Bit Current Sense Channels Connected Directly to the LTC2436-1 ADC ■ Two Independent Current Sense Amplifiers ■ Wide Supply Range: 4V to 60V, 70V Absolute Maximum ■ Low Offset Voltage: 450µV Maximum ■ Fast Response: 1µs Response Time ■ Gain Configurable with External Resistors ■ Low Input Bias Current: 170nA Maximum ■ PSRR: 110dB Minimum (6V to 60V) ■ Output Current: 1mA Maximum ■ Low Supply Current: 275µA per Amplifier, VS = 12V ■ Specified for –40°C to 125°C Temperature Range ■ Available in an 8-lead MSOP Package ■ Current Shunt Measurement ■ Battery Monitoring ■ Remote Sensing ■ Power Management ■ High Voltage Level Translator , LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. 5.5V 5V 0.5V 0V 500ns/DIV 6103 TA01b TA = 25°C V + = 12V RIN = 100Ω ROUT = 5k VSENSE + = V+ VOUT VSENSE – ∆VSENSE – = 100mV IOUT = 100µA IOUT = 0µA Step Response + – + – 8 7 6 5 2 4 1 +INA OUTA OUTB VSB VSA LTC6103 6 2 13 12 11 1 1 µF 5V 5 7 4 TO µP 6103 TA01a –INA –INB RIN 100 Ω RIN 100 Ω VSENSE VSENSE ++ – – VA + VB + +INB V– ROUT 4.99k ROUT 4.99k LOAD LOAD ILOAD ILOAD LTC2436-1 CH1 CH0 3,8,9,10,14,15,16 |
同様の部品番号 - LTC6103CMS8 |
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同様の説明 - LTC6103CMS8 |
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