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MAXIM MAX1270BCAI+ product image
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MAXIM MAX1270BCAI+

Manufacturer
MAXIM
MPN
MAX1270BCAI+
LCSC Part #
C24497334
Packaging
SSOP-28
Customer #
Key Attributes
Multirange, +5V, 8-Channel, Serial 12-Bit ADCs
DatasheetMAXIM MAX1270BCAI+
RoHS Compliance1 documents available
Alternative Parts1
Every Order Guarantee
100% Authentic · 30-Day Return or Replacement

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/ADCs/DACs - Special Purpose
ManufacturerMAXIM
PackagingSSOP-28
DNL (LSB)1LSB
ADC architectureSAR
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Introduction

AI Translation

The MAX1270/MAX1271 are multirange, 12-bit data acquisition systems (DAS) that require only a single +5V supply for operation, yet accept signals at their analog inputs that can span above the power-supply rail and below ground. These systems provide eight analog input channels that are independently software programmable for a variety of ranges: ±10V, ±5V, 0 to +10V, 0 to +5V for the MAX1270; ±VREF, ±VREF/2, 0 to VREF, 0 to VREF/2 for the MAX1271. This range switching increases the effective dynamic range to 14 bits and provides the flexibility to interface 4–20mA, ±12V, and ±15V powered sensors directly to a single +5V system. In addition, these converters are fault protected to ±16.5V; a fault condition on any channel will not affect the conversion result of the selected channel. Other features include a 5MHz bandwidth track/hold, software selectable internal/external clock, 110ksps throughput rate, and internal 4.096V or external reference operation. The MAX1270/MAX1271 serial interface directly connects to SPI/QSPI and MICROWIRE devices without external logic. A hardware shutdown input (SHDN) and two software programmable power-down modes, standby (STBYPD) or full power-down (FULLPD), are provided for low-current shutdown between conversions. In standby mode, the reference buffer remains active, eliminating startup delays. The MAX1270/MAX1271 are available in 24-pin narrow PDIP or space-saving 28-pin SSOP packages.

Features

AI Translation
  • 12-Bit Resolution, 0.5 LSB Linearity
  • +5V Single-Supply Operation
  • SPI/QSPI and MICROWIRE-Compatible 3-Wire Interface
  • Four Software-Selectable Input Ranges
    • MAX1270: 0 to ±10V, 0 to +5V, ±10V, ±5V
    • MAX1271: 0 to VREF, 0 to VREF/2, ±VREF, ±VREF/2
  • Eight Analog Input Channels
  • 110ksps Sampling Rate
  • ±16.5V Overvoltage-Tolerant Input Multiplexer
  • Internal 4.096V or External Reference
  • Two Power-Down Modes
  • Internal or External Clock
  • 24-Pin Narrow PDIP or 28-Pin SSOP Packages

Applications

AI Translation
  • Industrial Control Systems
  • Automatic Testing
  • Data-Acquisition Systems
  • Robotics
  • Battery-Powered Medical Instruments
  • Instruments