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Maxim > Products > [Analog-to-Digital Converters] 
MAX1265, MAX1267
265ksps, +3V, 6-/2-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface


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Status
Active: In Production.

Data Sheet
FULL DATA SHEET (PDF, 320kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX1265/MAX1267 low-power, 12-bit analog-to-digital converters (ADCs) feature a successive-approximation ADC, automatic power-down, fast wake-up (2µs), an on-chip clock, +2.5V internal reference, and a high-speed 12-bit parallel interface. They operate with a single +2.7V to +3.6V analog supply.

Power consumption is only 5.4mW at the maximum sampling rate of 265ksps. Two software-selectable power-down modes enable the MAX1265/MAX1267 to be shut down between conversions; accessing the parallel interface returns them to normal operation. Powering down between conversions can reduce supply current below 10µA at lower sampling rates.

Both devices offer software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation. In single-ended mode, the MAX1265 has six input channels and the MAX1267 has two (three input channels and one input channel, respectively, when in pseudo-differential mode).

Excellent dynamic performance and low power, combined with ease of use and small package size, make these converters ideal for battery-powered and data-acquisition applications or for other circuits with demanding power-consumption and space requirements. The MAX1265 is offered in a 28-pin QSOP package, while the MAX1267 comes in a 24-pin QSOP. For pin-compatible +5V, 12-bit versions, refer to the MAX1266/MAX1268 data sheet.

Key Features   Applications/Uses
  • 12-Bit Resolution, ±0.5 LSB Linearity
  • +3V Single-Supply Operation
  • Internal +2.5V Reference
  • Software-Configurable Analog Input Multiplexer
    • 6-Channel Single Ended/3-Channel Pseudo Differential (MAX1265)
    • 2-Channel Single Ended/1-Channel Pseudo Differential (MAX1267)
  • Software-Configurable Unipolar/Bipolar Analog Inputs
  • Low Current
    • 1.9mA (265ksps)
    • 1.0mA (100ksps)
    • 400µA (10ksps)
    • 2µA (Shutdown)
  • Internal 3MHz Full-Power Bandwidth Track/Hold
  • Parallel 12-Bit Interface
  • Small Footprint
    • 28-Pin QSOP (MAX1265)
    • 24-Pin QSOP (MAX1267)

 
  		• Data Acquisition Systems
  		• Data Logging
  		• Energy Management
  		• Industrial Controls Systems
  		• Patient Monitoring
  		• Touch Screens

    Key Specifications:  Precision ADCs (< 5Msps)
    Part Number Resolution
    (bits)    		 Input Chan. Conv. Rate
    (ksps)    		 Conv. Time
    (µs)    		 Data Bus
    (bits)    		 Ref.
    (V)    		 Diff. Inputs VSUPPLY
    (V)    		 ICC
    (mA)    		 Power
    (mW)    		 Standby Mode Package/Pins Price
    ADC max typ typ See Notes
    MAX1265  12 6 265 1.8 µP/12
    Ext.
    Int.+2.5
    		 Yes
    3
    3.3
    		 1.8 5.4 Yes
    QSOP/28
    		 $5.87 @1k
    MAX1267  2
    QSOP/24
    		 $5.60 @1k
    See All Precision ADCs (< 5Msps) (377)

    Diagram
    MAX1265, MAX1267: Typical Operating Circuits
    Typical Operating Circuits

    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: 1-28 of 28

    MAX1265 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1265ACEI    
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1265ACEI-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1265BCEI    
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1265BCEI-T    
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1265ACEI+  
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1265ACEI+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1265BCEI+  
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1265BCEI+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1265AEEI    
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1265AEEI-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1265BEEI    
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1265BEEI-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1265AEEI+    
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1265AEEI+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1265BEEI+  
    		Active QSOP;28 pin;62 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0173 (PDF)
    Use pkgcode/variation: E28+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1265BEEI+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1267 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1267ACEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1267BCEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1267BCEG-T    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-2*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1267ACEG+    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1267BCEG+  
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1267BCEG+T    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+2*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1267AEEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1267BEEG    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24-2*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1267BEEG-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1267AEEG+    
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1267BEEG+  
    		Active QSOP;24 pin;54 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0172 (PDF)
    Use pkgcode/variation: E24+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1267BEEG+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet

    Related Products
    MAX1060, MAX1064 400ksps, +5V, 8-/4-Channel, 10-Bit ADCs with +2.5V Reference and Parallel Interface

    More Like This: View Product Families for Similar Products

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    Document Ref.: 19-2721; Rev 0; 2003-06-03
    This page last modified: 2009-07-13


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