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Maxim > Products > Analog-to-Digital Converters 
MAX1286, MAX1287, MAX1288, MAX1289
150ksps, 12-Bit, 2-Channel Single-Ended, and 1-Channel True-Differential ADCs


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Data Sheet
FULL DATA SHEET (PDF, 312kB)
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Description
The MAX1286–MAX1289 are low-cost, micropower, serial output 12-bit analog-to-digital converters (ADCs) available in a tiny 8-pin SOT23 and an 8-pin TDFN. The MAX1286/MAX1288 operate with a single +5V supply. The MAX1287/MAX1289 operate with a single +3V supply. The devices feature a successive-approximation ADC, automatic shutdown, fast wakeup (1.4µs), and a high-speed 3-wire interface. Power consumption is only 0.5mW (VDD = +2.7V) at the maximum sampling rate of 150ksps. AutoShutdown™ (0.2µA) between conversions results in reduced power consumption at slower throughput rates. The MAX1286/MAX1287 provide 2-channel, single-ended operations and accept input signals from 0 to VREF. The MAX1288/MAX1289 accept true-differential inputs ranging from 0 to VREF. Data is accessed using an external clock through the 3-wire SPI™-/QSPI™-/MICROWIRE™-compatible serial interface. Excellent dynamic performance, low power, ease of use, and small package size make these converters ideal for portable battery-powered data-acquisition applications, and for other applications that demand low power consumption and minimal space.

Key Features   Applications/Uses
  • Single-Supply Operation
    • +3V (MAX1287/MAX1289)
    • +5V (MAX1286/MAX1288)
  • Autoshutdown Between Conversions
  • Low Power
    • 245µA at 150ksps
    • 150µA at 100ksps
    • 15µA at 10ksps
    • 2µA at 1ksps
    • 0.2µA in Shutdown
  • True-Differential Track/Hold, 150kHz Sampling Rate
  • Software-Configurable Unipolar/Bipolar Conversion (MAX1288/MAX1289 Only)
  • SPI-/QSPI-/MICROWIRE-Compatible Interface for DSPs and Processors
  • Internal Conversion Clock
  • 8-Pin SOT23 and 8-Pin TDFN Packages

 
  		• Flow Meters
  		• Low-Power Data Acquisition
  		• Portable Temperature Monitors
  		• Touch Screens

    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) Low Power Mode Standby Mode EV-Kit RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX1286  12 2 150 3 Serial Ext No 5 0.25 Yes Yes No Yes SOT-23/8
    THIN QFN (Dual)/8     		9 -40 to +85 $3.45 @ 1k
    MAX1287  2 No 3
    3.3     		$3.45 @ 1k
    MAX1288  1 Yes 5 $3.45 @ 1k
    MAX1289  1 Yes 3
    3.3     		$3.45 @ 1k
    See All Precision ADCs (< 5Msps) (301)
    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 801: Frequently Asked Questions About Data Converters - MAX1286
  		• Application Note 1108: Understanding Single-Ended, Pseudo-Differential and Fully-Differential ADC Inputs - MAX1286

    Evaluation Kits
  		• MAX1086EVKIT, MAX1088EVKIT, MAX1286EVKIT, MAX1288EVKIT

    Design Guides
  		• A/D CONVERTERS (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Reliability Report: MAX1286EKA.pdf MAX1287EKA.pdf MAX1288EKA.pdf MAX1289EKA.pdf

    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: 1-17 of 17

    MAX1286 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1286EVC16  



    		-40°C to +85°C See data sheet
    MAX1286EKA  
    		SOT-23;8 pin;
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8F-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1286EKA-T  
    		SOT-23;8 pin;
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8F-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1286ETA+  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1286ETA+T  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1287 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1287EKA  
    		SOT-23;8 pin;
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8F-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1287EKA-T  
    		SOT-23;8 pin;
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8F-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1287ETA+  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1287ETA+T  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1288 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1288EKA  
    		SOT-23;8 pin;
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8F-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1288EKA-T  
    		SOT-23;8 pin;
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8F-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1288ETA+  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX1288ETA+T  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX1289 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1289EKA  
    		SOT-23;8 pin;
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8F-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1289EKA-T  
    		SOT-23;8 pin;
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8F-4*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1289ETA+  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C See data sheet
    Materials Analysis
    MAX1289ETA+T  
    		THIN QFN (Dual);8 pin;
    Dwg: 21-0137I (PDF)
    Use pkgcode/variation: T833+2*
    		-40°C to +85°C See data sheet
    Materials Analysis

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    Document Ref.: 19-2231; Rev 2; 2006-02-07
    This page last modified: 2007-07-27




             


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