MAX472CPA DIP-8 Integrated circuit Chip IC Electronics Precision, High-Side Current-Sense Amplifiers

MAX472CPA

3.0V to 5.5V, Low-Power, up to 1Mbps, True RS-232 Transceivers Using Four 0.1レF External Capacitors

Features

♦ Complete High-Side Current Sensing

♦ Precision Internal Sense Resistor (MAX471)

♦ 2% Accuracy Over Temperature

♦ Monitors Both Charge and Discharge

♦ 3A Sense Capability with Internal Sense Resistor (MAX471)

♦ Higher Current-Sense Capability with External Sense Resistor (MAX472)

♦ 100µA Max Supply Current

♦ 18µA Max Shutdown Mode

♦ 3V to 36V Supply Operation

♦ 8-Pin DIP/SO Packages

Applications

Portable PCs: Notebooks/Subnotebooks/Palmtops Smart Battery

Packs Cellular Phones Portable Phones Portable

Test/Measurement Systems Battery-Operated Systems Energy Management Systems

ABSOLUTE MAXIMUM RATINGS

Supply Voltage, RS+, RS-, VCC to GND....................-0.3V, +40V

RMS Current, RS+ to RS- (MAX471 only)..........................±3.3A

Peak Current, (RS+ to RS-) ......................................see Figure 5

Differential Input Voltage, RG1 to RG2 (MAX472 only) .....±0.3V

Voltage at Any Pin Except SIGN MAX471 only ...........................................-0.3V to (RS+ - 0.3V)

MAX472 only ..........................................-0.3V to (VCC + 0.3V)

Voltage at SIGN......................................................-0.3V to +40V

Current into SHDN, GND, OUT, RG1, RG2, VCC................±50mA

Current into SIGN.................................................+10mA, -50mA

Continuous Power Dissipation (TA = +70°C)

MAX471 (Note 1): Plastic DIP (derate 17.5mW/°C above +70°C) ..................1.4W

SO (derate 9.9mW/°C above +70°C).............................791mW

MAX472 : Plastic DIP (derate 9.09mW/°C above +70°C) ..............727mW

SO (derate 5.88mW/°C above +70°C)...........................471mW

Operating Temperature Ranges MAX47_C_A........................................................0°C to +70°C MAX47_E_A .....................................................-40°C to +85°C

Junction Temperature Range ............................-60°C to +150°C

Storage Temperature Range .............................-60°C to +160°C

Lead Temperature (soldering, 10sec) .............................+300°C

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CHONGMING GROUP (HK) INT'L CO., LTD. located in Hong Kong and Shenzhen. We are an independent Distributor of Electronic Components,established in 2008. AS a growing fast company, CM GROUP is renowned for its world-class efficiency, excellent services, and extraordinary ability to supply electronic components that are hard to find and even obsolete. We have taken pride in our innovation, reliability and service, especially in the semiconductor marketplace.
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