MAX110BCWE+;MAX110BCPE+;MAX111BCPE+;MAX111BEWE+;MAX111BEPE+;中文规格书,Datasheet资料.pdf

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MAX110BCWE+;MAX110BCPE+;MAX111BCPE+;MAX111BEWE+;MAX111BEPE+;中文规格书,Datasheet资料.pdf

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MAX110BCWE;MAX110BCPE;MAX111BCPE;MAX111BEWE;MAX111BEPE;中文规格书,Datasheet资料

M A X 1 1 0 /M A X 1 1 1 Low-Cost, 2-Channel, ±14-Bit Serial ADCs ________________________________________________________________ Maxim Integrated Products 1 General Description The MAX110/MAX111 analog-to-digital converters (ADCs) use an internal auto-calibration technique to achieve 14-bit resolution plus overrange, with no exter- nal components. Operating supply current is only 550μA (MAX110) and reduces to 4μA in power-down mode, making these ADCs ideal for high-resolution bat- tery-powered or remote-sensing applications. A fast serial interface simplifies signal routing and opto-isola- tion, saves microcontroller pins, and offers compatibility with SPI?, QSPI?, and MICROWIRE?. The MAX110 operates with ±5V supplies, and converts differential analog signals in the -3V to +3V range. The MAX111 operates with a single +5V supply and converts differ- ential analog signals in the ±1.5V range, or single- ended signals in the 0V to +1.5V range. Internal calibration allows for both offset and gain-error correction under microprocessor (μP) control. Both devices are available in space-saving 16-pin DIP and SO packages, as well as an even smaller 20-pin SSOP package. ________________________Applications Process Control Weigh Scales Panel Meters Data-Acquisition Systems Temperature Measurement ____________________________Features? Single +5V Supply (MAX111)? Two Differential Input Channels? 14-Bit Resolution Plus Sign and Overrange? 0.03% Linearity (MAX110) 0.05% Linearity (MAX111)? Low Power Consumption: 550μA (MAX110) 640μA (MAX111) 4μA Shutdown Current? Up to 50 Conversions/sec? 50Hz/60Hz Rejection? Auto-Calibration Mode? No External Components Required? 16-Pin DIP/SO, 20-Pin SSOP Ordering Information 19-0283; Rev 5; 11/98 Typical Operating Circuit Pin Configurations IN1+ IN1- REF+ REF- CS RCSEL SCLK DIN DOUT IN2+ IN2- VDD +5V -5V (0V) FROM μC MAX110 MAX111 ( ) ARE FOR MAX111 VSS (AGND) 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 IN1+ REF- REF+ VDD RCSEL XCLK SCLK BUSY IN1-