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MAX1272

Features: Four Software-Selectable Input Ranges MAX1272: 0 to 10V, 0 to 5V, ±10V, ±5V MAX1273: 0 to VREF, 0 to VREF / 2, ±VREF, ±VREF / 2 12-Bit Resolution, No Missing Codes 5V Single-Supply Operation SPI/QSPI/MICROWIRE-Compatible 3-Wire Interface 87ksps Sampling Rate ±12V Fault-Protected Analog I...

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SeekIC No. : 004408718 Detail

MAX1272: Features: Four Software-Selectable Input Ranges MAX1272: 0 to 10V, 0 to 5V, ±10V, ±5V MAX1273: 0 to VREF, 0 to VREF / 2, ±VREF, ±VREF / 2 12-Bit Resolution, No Missing Codes 5V Single-Supply Operati...

MAX1272 Data Sheet

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Part Number:
MAX1272
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

 Four Software-Selectable Input Ranges
      MAX1272: 0 to 10V, 0 to 5V, ±10V, ±5V
      MAX1273: 0 to VREF, 0 to VREF / 2, ±VREF,  ±VREF / 2
12-Bit Resolution, No Missing Codes
5V Single-Supply Operation
SPI/QSPI/MICROWIRE-Compatible 3-Wire Interface
87ksps Sampling Rate
±12V Fault-Protected Analog Input (MAX1272)
Internal (4.096V) or External (2.4V to 4.18V) Reference
 Low Power
     1.5mA at 87ksps
     0.4mA at 10ksps
     0.2mA at 1ksps
Four Power-Down Modes
8-Pin µMAX and PDIP Packages


Application

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


Pinout

Connection Diagram


Specifications

VDD to GND..............................................................-0.3V to +6V
AIN to GND (MAX1272)....................................................... ±12V
AIN to GND (MAX1273)......................................................... ±6V
DOUT, CS, DIN, SCLK, REF to GND..............-0.3V to (VDD + 0.3V)
Maximum Current into Any Pin............................................50mA
Continuous Power Dissipation (TA = +70°C)
8-Pin Plastic DIP (derate 9.1mW/°C above +70°C) ........727mW
8-Pin µMAX (derate 4.5mW/°C above +70°C) ................362mW
Operating Temperature Ranges
MAX127_ C_ _ .......................................................0°C to +70°C
MAX127_ E_ _.....................................................-40°C to +85°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Junction Temperature ......................................................+150°C


Description

The MAX1272/MAX1273 multirange 12-bit data-acquisition systems (DAS) operate with a single 5V supply. The software-programmable analog input accepts a variety of voltage ranges: ±10V, ±5V, 0 to 10V, 0 to 5V for the MAX1272; ±VREF, ±VREF / 2, 0 to VREF, 0 to VREF / 2 for the MAX1273. The software-selectable extended analog input range increases the effective dynamic range to 14 bits and provides the flexibility to interface 420mA powered sensors directly to a single 5V system. In addition, the MAX1272 provides fault protection to ±12V. Other features include a 5MHz track/hold (T/H) bandwidth, 87ksps throughput rate, and internal (4.096V) or external (2.40V to 4.18V) reference.

The MAX1272/MAX1273 serial interfaces connect directly to SPI™/QSPI™/MICROWIRE™-compatible devices without any external logic.

Four software-programmable power-down modes (delayed standby, immediate standby, delayed full powerdown, and immediate full power-down) provide low-current shutdown between conversions. In standby mode, the internal reference buffer remains active, thus eliminating startup delay.

The MAX1272/MAX1273 are available in 8-pin PDIP and µMAX packages. Both devices are available in the commercial (0°C to +70°C) or extended (-40°C to +85°C) temperature range.




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