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MAX1117, MAX1118, MAX1119
Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs

Industry's Lowest-Power ADC Comes in SOT-23


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Data Sheet
FULL DATA SHEET (PDF, 220kB)
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Description
The MAX1117/MAX1118/MAX1119 low-power, 8-bit, dual-channel, analog-to-digital converters (ADCs) feature an internal track/hold (T/H) voltage reference (MAX1117/MAX1119), clock, and serial interface. The MAX1118 is specified from +2.7V to +5.5V and consumes only 135µA at 100ksps. The MAX1117 is specified from +2.7V to +3.6V, and the MAX1119 is specified from +4.5V to +5.5V, each consumes only 175µA at 100ksps.

The full-scale analog input range is determined by the internal reference of +2.048V (MAX1117) or +4.096V (MAX1119), or by an externally applied reference ranging from +1V to VDD (MAX1118). All devices feature an automatic shutdown mode that reduces supply current to <1µA when the device is not in use. The 3-wire serial interface directly connects to SPI™, QSPI™, and MICROWIRE™ devices without external logic. Conversions up to 100ksps are performed using an internal clock.

The MAX1117/MAX1118/MAX1119 are available in an 8-pin SOT23 package with a footprint that is only 11% of an 8-pin plastic DIP.

Key Features   Applications/Uses
  • Single Supply
    • +2.7V to +3.6V (MAX1117)
    • +2.7V to +5.5V (MAX1118)
    • +4.5V to +5.5V (MAX1119)
  • Internal Track/Hold: 100kHz Sampling Rate
  • Internal Reference
    • +2.048V (MAX1117)
    • +4.096V (MAX1119)
  • Reference Input Range: 0 to VDD (MAX1118)
  • SPI/QSPI/MICROWIRE-Compatible Serial Interface
  • Small 8-Pin SOT23 Package
  • Automatic Power-Down
  • Analog Input Range: 0 to VREF
  • Low Power
    • 175µA at 100ksps (typ) (MAX1117/MAX1119)
    • 135µA at 100ksps (typ) (MAX1118)
    • 18µA at 10ksps (typ)
    • 1µA (typ) in Power-Down Mode

 
  • 4mA to 20mA Powered Remote Data Acquisition Systems
  • Battery-Powered Test Equipment
  • Low-Power, Handheld Portable Devices
  • Receive Signal Strength Indicators
  • Solar-Powered Remote Systems
  • System Diagnostics

    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) Low Power Mode Standby Mode EV-Kit RoHS Available Package Smallest Available Package (max w/pins) (mm2) Operating Temp. Range (°C) Price**
    MAX1117  8 2 100 7.5 Serial Int +2.048 No 3
    3.3
    0.135 0.405 Yes No No Yes SOT-23/8 9 -40 to +85 $1.24 @ 1k
    MAX1118  Ext 3
    3.3
    5
    0.135 0.675 $0.99 @ 1k
    MAX1119  Int +4.096 5 0.182 0.91 $1.24 @ 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 633: Bench Characterization of ADCs Using a Low-Cost PC-Based Data-Acquisition Board - MAX1117, MAX1118
  • Application Note 1080: Understanding SAR ADCs - MAX1118

    Evaluation Kits
  • MAX1117EVSYS

    Design Guides
  • A/D CONVERTERS (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: 1-14 of 14

    MAX1117 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1117EVKIT  



    See data sheet
    MAX1117EVL11  



    -40°C to +85°C See data sheet
    MAX1117EKA  
    SOT-23;8 pin;9 mm²

    Use pkgcode/variation: K8SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1117EKA+  
    SOT-23;8 pin;9 mm²
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8SN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1117EKA-T  
    SOT-23;8 pin;9 mm²

    Use pkgcode/variation: K8SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1117EKA+T  
    SOT-23;8 pin;9 mm²
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8SN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1118 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1118EKA  
    SOT-23;8 pin;9 mm²

    Use pkgcode/variation: K8SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1118EKA+  
    SOT-23;8 pin;9 mm²
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8SN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1118EKA+T  
    SOT-23;8 pin;9 mm²
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8SN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1118EKA-T  
    SOT-23;8 pin;9 mm²

    Use pkgcode/variation: K8SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1119 Free
    Sample
    Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1119EKA  
    SOT-23;8 pin;9 mm²

    Use pkgcode/variation: K8SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1119EKA+  
    SOT-23;8 pin;9 mm²
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8SN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1119EKA-T  
    SOT-23;8 pin;9 mm²

    Use pkgcode/variation: K8SN-1*
    -40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1119EKA+T  
    SOT-23;8 pin;9 mm²
    Dwg: 21-0078H (PDF)
    Use pkgcode/variation: K8SN+1*
    -40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis

    More Information
  • Topmark Coding: MAX1117 MAX1118 MAX1119
  • New Product Press Release 2000-11-28 

    Related Products
    MAX1115, MAX1116 Single-Supply, Low-Power, Serial 8-Bit ADCs
    MAX1117, MAX1118, MAX1119 Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs

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    Document Ref.: 19-1857; Rev 0; 2001-02-26
    This page last modified: 2008-02-22



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