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MAX199

Maxim
Part Number MAX199
Manufacturer Maxim
Description Multi-Range (4V / 2V / +4V / +2V) / +5V Supply / 12-Bit DAS with 8+4 Bus Interface
Published May 6, 2005
Detailed Description 19-0401; Rev 0; 6/95 Multi-Range (±4V, ±2V, +4V, +2V), +5V Supply, 12-Bit DAS with 8+4 Bus Interface _______________Gen...
Datasheet PDF File MAX199 PDF File

MAX199
MAX199

Overview
19-0401; Rev 0; 6/95 Multi-Range (±4V, ±2V, +4V, +2V), +5V Supply, 12-Bit DAS with 8+4 Bus Interface _______________General Description The MAX199 multi-range, 12-bit data-acquisition system (DAS) requires only a single +5V supply for operation, and converts analog signals up to ±4V at its inputs.
This system provides eight analog input channels that are independently software programmable for a variety of ranges: ±VREF, ±VREF/2, 0V to VREF, or 0V to VREF/2.
This increases effective dynamic range to 14 bits, and provides the user flexibility to interface 4mA-to-20mA, ±12V, and ±15V powered sensors to a single +5V system.
In addition, the converter is 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, internal/external clock, internal/external acquisition control, 8+4 parallel interface, and operation with an internal 4.
096V or external reference.
A hardware SHDN pin and two programmable powerdown modes (STBYPD, FULLPD) provide low-current shutdown between conversions.
In STBYPD mode, the reference buffer remains active, eliminating start-up delays.
The MAX199 employs a standard microprocessor (µP) interface.
Its three-state data I/O interface is configured to operate with 8-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.
The MAX199 is available in 28-pin DIP, wide SO, SSOP, and ceramic SB packages.
For a different combination of input ranges (±10V, ±5V, 0V to 10V, 0V to 5V), see the MAX197 data sheet.
For 12bit bus interfaces, see the MAX196/MAX198 data sheet.
____________________________Features o 12-Bit Resolution, 1/2LSB Linearity o Single +5V Operation o Software-Selectable Input Ranges: ±VREF, ±VREF/2, 0V to VREF, 0V to VREF/2 o Internal 4.
096V or External Reference o Fault-Protected Input Multiplexer...


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