MAX198
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MAX198

6-Channel, Multirange, 5V, 12-Bit DAS with 12-Bit Bus Interface and Fault Protection

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±17V Fault-Protected ADC with Software-Selectable Input Ranges

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Part Details
Part Models 5
1ku List Price Starting From $20.60
Features
  • 12-Bit Resolution, 1/2 LSB Linearity
  • Single +5V Supply Operation
  • Software-Selectable Input Ranges:
    • ±10V, ±5V, 0V to +10V, 0V to +5V (MAX196)
    • ±VREF, ±VREF/2, 0V to +VREF, 0V to +VREF/2 (MAX198)
  • Internal 4.096V or External Reference
  • Fault-Protected Input Multiplexer
  • 6 Analog Input Channels
  • 6µs Conversion Time, 100ksps Sampling Rate
  • Internal or External Acquisition Control
  • Two Power-Down Modes
  • Internal or External Clock
Additional Details
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The MAX196/MAX198 multirange, 12-bit data-acquisition systems (DAS) require only a single +5V supply for operation, yet convert analog signals at their inputs up to ±10V (MAX196) and ±4V (MAX198). These systems provide six analog input channels that are independently software programmable for a variety of ranges: ±10V, ±5V, 0V to +10V, and 0V to +5V for the MAX196; ±VREF, ±VREF/2, 0V to +VREF, and 0V to +VREF/2 for the MAX198. This range switching increases the effective dynamic range to 14 bits and provides the flexibility to interface ±12V, ±15V, and 4mA to 20mA powered sensors 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, 100ksps throughput rate, software-selectable internal/external clock, internal/external acquisition control, 12-bit parallel interface, and internal 4.096V or external reference.

Two programmable power-down modes (STBYPD, FULLPD) provide low-current shutdown between conversions. In STBYPD mode, the reference buffer remains active, eliminating start-up delays.

The MAX196/MAX198 employ a standard microprocessor (µP) interface. A three-state data I/O port is configured to operate with 16-bit data buses, and data-access and bus-release timing specifications are compatible with most popular µPs. All logic inputs and outputs are TTL/CMOS compatible.

These devices are available in 28-pin DIP, wide SO, SSOP (55% smaller in area than wide SO), and ceramic SB packages. For 8+4 bus interface, see the MAX197 and the MAX199 data sheets. An evaluation kit is available (MAX196EVKIT-DIP).

Applications

  • Automated Test Equipment (ATE)
  • Data Acquisition
  • Industrial Controls Systems
  • Medical Instruments
  • Robotics
  • Telecommunications
Part Models 5
1ku List Price Starting From $20.60

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Documentation

Documentation

Part Model Pin/Package Drawing Documentation CAD Symbols, Footprints, and 3D Models
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Product Lifecycle

PCN

Jul 28, 2023

- 2361H

WAFER FAB

MAX198ACWI+

PRODUCTION

MAX198BCWI+

PRODUCTION

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Part Models

Product Lifecycle

PCN

Jul 28, 2023

- 2361H

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WAFER FAB

MAX198ACWI+

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Software & Part Ecosystem

Software & Part Ecosystem

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Evaluation Kit

Evaluation Kits 1

MAX196EVKIT

Evaluation Kit for MAX196 and MAX198

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MAX196EVKIT

Evaluation Kit for MAX196 and MAX198

Evaluation Kit for MAX196 and MAX198

Features and Benefits

  • Stand-Alone Demo
  • Proven PC Board Layout
  • User Prototype Area
  • Fully Assembled and Tested
  • Jumper-Selectable Configuration

Product Detail

The MAX196 evaluation kit (EV kit) is an assembled and tested board for prototyping designs using the MAX196 12-bit, multi-range data-acquisition system (DAS). The board includes voltage buffers for all six analog input channels, and is designed to be operated in a stand-alone demo mode using a binary LED readout. It can be adapted to a user-provided 16-bit microprocessor (µP) bus. The EV kit requires a +5V power supply for the MAX196 and ±15V power supplies for the op amps.

The MAX196 EV kit evaluates both the MAX196 and the MAX198. To evaluate the MAX198, order a free sample of the MAX198BCNI along with the MAX196 EV kit.

Maxim also offers a complete µP-based EV system for the 8-bit interface version of this device, the MAX197. Refer to the MAX197 EV kit manual.

Applications

  • Automated Test Equipment (ATE)
  • Data Acquisition
  • Industrial Controls Systems
  • Medical Instruments
  • Robotics
  • Telecommunications

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