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MAX1358BETL+ Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX1358BETL+ Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 71 page General Description The MAX1358B smart data-acquisition system (DAS) is based on a 16-bit, sigma-delta analog-to-digital converter (ADC) and system-support functionality for a micro- processor (µP)-based system. This device integrates an ADC, DACs, operational amplifiers, internal selec- table-voltage reference, temperature sensors, analog switches, a 32kHz oscillator, a real-time clock (RTC) with alarm, a high-frequency-locked loop (FLL) clock, four user-programmable I/Os, an interrupt generator, and 1.8V and 2.7V voltage monitors in a single chip. The MAX1358B has dual 10:1 differential input multiplex- ers (muxes) that accept signal levels from 0 to AVDD. An on-chip 1x to 8x programmable-gain amplifier (PGA) allows measuring low-level signals and reduces external circuitry required. The MAX1358B operates from a single +1.8V to +3.6V supply and consumes only 1.15mA in normal mode and only 3µA in sleep mode. The MAX1358B has two DACs with one uncommitted op amp. The serial interface is compatible with either SPI™/QSPI™ or MICROWIRE™, and is used to power up, configure, and check the status of all functional blocks. The MAX1358B is available in a space-saving, 40-pin TQFN package and is specified over the commercial (0 °C to +70°C) and the extended (-40°C to +85°C) tem- perature ranges. Applications Battery-Powered and Portable Devices Electrochemical and Optical Sensors Medical Instruments Industrial Control Data-Acquisition Systems Features o +1.8V to +3.6V Single-Supply Operation o Multichannel, 16-Bit, Sigma-Delta ADC 10sps to 477sps Programmable Conversion Rate Self- and System Offset and Gain Calibration PGA with Gains of 1, 2, 4, or 8 Unipolar and Bipolar Modes 10-Input Differential Multiplexer o 10-Bit Force-Sense DACs o Uncommitted Op Amps o Dual SPDT and SPST Analog Switches o Selectable References 1.25V, 2.048V, and 2.5V o Internal Charge Pump o System Support RTC and Alarm Register Internal/External Temperature Sensor Internal Oscillator with Clock Output User-Programmable I/O and Interrupt Generator VDD Monitors o SPI/QSPI/MICROWIRE, 4-Wire Serial Interface o Space-Saving (6mm x 6mm x 0.8mm), 40-Pin TQFN Package 16-Bit, Data-Acquisition System with ADC, DACs, UPIOs, RTC, Voltage Monitors, and Temp Sensor ________________________________________________________________ Maxim Integrated Products 1 19-5159; Rev 0; 8/10 For pricing delivery, and ordering information please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. SPI/QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. 40 *EXPOSED PAD. *EP 39 38 37 36 35 34 33 32 31 21 22 23 24 25 26 27 28 29 30 CPOUT AIN2 AIN1 REF REG CF- CF+ DVDD DGND UPIO1 11 12 13 14 15 16 17 18 19 20 10 9 8 7 6 5 4 3 2 1 + 32KOUT 32KIN SNO1 SCM1 SNC1 OUT1 SNC2 SCM2 SNO2 RESET TQFN TOP VIEW MAX1358B Pin Configuration Ordering Information PART TEMP RANGE PIN-PACKAGE MAX1358BCTL+ 0 °C to +70°C 40 TQFN-EP* MAX1358BETL+ -40 °C to +85°C 40 TQFN-EP* + Denotes a lead(Pb)-free/RoHS-compliant package. * EP = Exposed pad. |
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