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Maxim > Products > [Analog-to-Digital Converters] 
MAX199
8-Channel, Multi-Range, 5V, 12-Bit DAS with 8+4 Bus Interface and Fault Protection

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


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Data Sheet
FULL DATA SHEET (PDF, 176kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

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 active-low SHDN pin and 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 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 12-bit bus interfaces, see the MAX196/MAX198 data sheet.

Key Features   Applications/Uses
  • 12-Bit Resolution, 1/2LSB Linearity
  • Single +5V Operation
  • Software-Selectable Input Ranges:
    • ±VREF, ±VREF/2, 0V to VREF, 0V to VREF/2
  • Internal 4.096V or External Reference
  • Fault-Protected Input Multiplexer (±16.5V)
  • 8 Analog Input Channels
  • 6µs Conversion Time, 100ksps Sampling Rate
  • Internal or External Acquisition Control
  • Two Power-Down Modes
  • Internal or External Clock

 
  		• Automatic Testing Systems
  		• Data-Acquisition Systems
  		• Industrial-Control Systems
  		• Medical Instruments
  		• Robotics
  		• Telecommunications

    Key Specifications:   Precision ADCs (< 5Msps)
    Part Number ADC Resolution (Bits) Input Channels Conv. Rate (ksps) Max. Conv. Time (µs) Data Bus (Bits) Ref. (V) Diff. In Supply Voltage (V) Typ. Supply Current (mA) Typ. Power (mW) Standby Mode Package Price**
    MAX199  12 8 100 6 µP/8 Ext.
    Int.+4.096     		No 5 6 30 Yes PDIP(N)/28
    SOIC(W)/28
    SSOP/28     		$9.90 @ 1k
    See All Precision ADCs (< 5Msps) (375)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Application Notes
  		• Application Note 270: Analog-Signal Data Acquisition in Industrial Automation Systems - MAX199

    Evaluation Kits
    none

    Design Guides
  		• Interface (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-43 of 43

    MAX199 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX199AMDI  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX199BMDI  


    Land Pattern: Not Available

    		-55°C to +125°C See data sheet
    MAX199BC/D  


    Land Pattern: Not Available

    		See data sheet
    MAX199ACNI  
    		PDIP(N);28 pin;290 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N28-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199BCNI  
    		PDIP(N);28 pin;290 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N28-4*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199ACNI+  
    		PDIP(N);28 pin;290 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N28+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199BCNI+  
    		PDIP(N);28 pin;290 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N28+4*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199AENI  
    		PDIP(N);28 pin;290 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N28-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199BENI  
    		PDIP(N);28 pin;290 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N28-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199AENI+  
    		PDIP(N);28 pin;290 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N28+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199BENI+  
    		PDIP(N);28 pin;290 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: N28+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199ACWI  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199ACWI-T  


    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX199BCWI  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199BCWI-T  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28-3*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199ACWI+  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199ACWI+T  


    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX199BCWI+  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199BCWI+T  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+3*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199AEWI  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199AEWI-T  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX199BEWI  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199BEWI-T  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX199AEWI+  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199AEWI+T  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX199BEWI+  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199BEWI+T  
    		SOIC(W);28 pin;193 mm²
    Outline Drawing: 21-0042 (PDF)
    Land Pattern: 90-0109 (PDF)
    Use pkgcode/variation: W28+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199ACAI  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199ACAI-T  


    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX199BCAI  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199BCAI-T  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199ACAI+  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199ACAI+T  


    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX199BCAI+  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199BCAI+T  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199AEAI  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199AEAI-T  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX199BEAI  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199BEAI-T  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX199AEAI+  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199AEAI+T  


    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX199BEAI+  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX199BEAI+T  
    		SSOP;28 pin;82 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0095 (PDF)
    Use pkgcode/variation: A28+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    Related Products
    MAX197 Multi-Range (±10V, ±5V, +10V, +5V), Single +5V, 12-Bit DAS with 8+4 Bus Interface
    MAX196, MAX198 6-Channel, Multi-Range, 5V, 12-Bit DAS with 12-Bit Bus Interface and Fault Protection
    MAX127, MAX127A, MAX127B, MAX128, MAX128A, MAX128B Multirange, +5V, 12-Bit DAS with 2-Wire Serial Interface
    MAX1270, MAX1270A, MAX1270B, MAX1271, MAX1271A, MAX1271B Multirange, +5V, 8-Channel, Serial 12-Bit ADCs

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    Document Ref.: 19-0401; Rev 0; 1995-06-01
    This page last modified: 2008-08-04


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