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Maxim > Products > [Analog-to-Digital Converters] 
MAX1262, MAX1264
400ksps, +5V, 8-/4-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, 392kB)
Download this datasheet in PDF formatDownload   Send this datasheet to any email addressE-Mail

Description
The MAX1262/MAX1264 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, byte-wide parallel interface. The devices operate with a single +5V analog supply and feature a VLOGIC pin that allows them to interface directly with a +2.7V to +5.5V digital supply.

Power consumption is only 10mW (VDD = VLOGIC) at a 400ksps max sampling rate. Two software-selectable power-down modes enable the MAX1262/MAX1264 to be shut down between conversions; accessing the parallel interface returns them to normal operation. Powering down between conversions can cut supply current to under 10µA at reduced sampling rates.

Both devices offer software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation. In single-ended mode, the MAX1262 has eight input channels and the MAX1264 has four input channels (four and two input channels, 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 MAX1262 is available in a 28-pin QSOP package, while the MAX1264 comes in a 24-pin QSOP. For pin-compatible +3V, 12-bit versions, refer to the MAX1261/MAX1263 data sheet.

Key Features   Applications/Uses
  • 12-Bit Resolution, ±0.5 LSB Linearity
  • +5V Single-Supply Operation
  • User-Adjustable Logic Level (+2.7V to +5.5V)
  • Internal +2.5V Reference
  • Software-Configurable Analog Input Multiplexer
    • 8-Channel Single Ended/4-Channel Pseudo-Differential (MAX1262)
    • 4-Channel Single Ended/2-Channel Pseudo-Differential (MAX1264)
  • Software-Configurable Unipolar/Bipolar Analog Inputs
  • Low Current
    • 2.5mA (400ksps)
    • 1.0mA (100ksps)
    • 400µA (10ksps)
    • 2µA (Shutdown)
  • Internal 6MHz Full-Power Bandwidth Track/Hold
  • Byte-Wide Parallel (8 + 4) Interface
  • Small Footprint
    • 28-Pin QSOP (MAX1262)
    • 24-Pin QSOP (MAX1264)

 
  		• 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
    MAX1262  12 8 400 1.9 µP/8
    Ext.
    Int.+2.5
    		 Yes 5 1.9 9.5 Yes
    QSOP/28
    		 $5.99 @1k
    MAX1264  4
    QSOP/24
    		 $5.74 @1k
    See All Precision ADCs (< 5Msps) (377)

    Diagram
    MAX1262, MAX1264: 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: 1-32 of 32

    MAX1262 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1262ACEI    
    		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
    MAX1262ACEI-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1262BCEI    
    		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
    MAX1262BCEI-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
    MAX1262ACEI+    
    		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
    MAX1262ACEI+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1262BCEI+  
    		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
    MAX1262BCEI+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1262AEEI    
    		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
    MAX1262AEEI-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1262BEEI    
    		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
    MAX1262BEEI-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1262AEEI+  
    		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
    MAX1262AEEI+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1262BEEI+  
    		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
    MAX1262BEEI+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1264 Free
    Sample    		 Buy Status
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1264ACEG    
    		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
    MAX1264ACEG-T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1264BCEG    
    		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
    MAX1264BCEG-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
    MAX1264ACEG+  
    		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
    MAX1264ACEG+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1264BCEG+  
    		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
    MAX1264BCEG+T    
    		Active

    Land Pattern: Not Available

    		0°C to +70°C See data sheet
    MAX1264AEEG    
    		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
    MAX1264AEEG-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1264BEEG    
    		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
    MAX1264BEEG-T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet
    MAX1264AEEG+  
    		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
    MAX1264AEEG+T    
    		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
    MAX1264BEEG+  
    		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
    MAX1264BEEG+T    
    		Active

    Land Pattern: Not Available

    		-40°C to +85°C See data sheet

    Related Products
    MAX1290, MAX1292 400ksps, +5V, 8-/4-Channel, 12-Bit ADCs with +2.5V Reference and Parallel Interface

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    Document Ref.: 19-2720; Rev 0; 2003-05-28
    This page last modified: 2009-07-20


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