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Maxim > Products > [Analog-to-Digital Converters] 
MAX1110, MAX1111
+2.7V, Low-Power, Multichannel, Serial, 8-Bit ADCs

Lowest-Power 8-Bit 4/8-Channel ADCs Have Internal Reference


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Data Sheet
FULL DATA SHEET (PDF, 296kB)
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Description
The MAX1110/MAX1111 are low-power, 8-bit, 8-channel analog-to-digital converters (ADCs) that feature an internal track/hold, voltage reference, clock, and serial interface. They operate from a single +2.7V to +5.5V supply and consume only 85µA while sampling at rates up to 50ksps. The MAX1110's 8 analog inputs and the MAX1111's 4 analog inputs are software-configurable, allowing unipolar/bipolar and single-ended/differential operation.

Successive-approximation conversions are performed using either the internal clock or an external serial-interface clock. The full-scale analog input range is determined by the 2.048V internal reference, or by an externally applied reference ranging from 1V to VDD. The 4-wire serial interface is compatible with the SPI™, QSPI™, and MICROWIRE™ serial-interface standards. A serial-strobe output provides the end-of-conversion signal for interrupt-driven processors.

The MAX1110/MAX1111 have a software-programmable, 2µA automatic power-down mode to minimize power consumption. Using power-down, the supply current is reduced to 6µA at 1ksps, and only 52µA at 10ksps. Power-down can also be controlled using the SHDN-bar input pin. Accessing the serial interface automatically powers up the device.

The MAX1110 is available in 20-pin SSOP and DIP packages. The MAX1111 is available in small 16-pin QSOP and DIP packages.

Key Features   Applications/Uses
  • +2.7V to +5.5V Single Supply
  • Low Power:
    • 85µA at 50ksps
    • 6µA at 1ksps
  • 8-Channel Single-Ended or 4-Channel Differential Inputs (MAX1110)
  • 4-Channel Single-Ended or 2-Channel Differential Inputs (MAX1111)
  • Internal Track/Hold; 50kHz Sampling Rate
  • Internal 2.048V Reference
  • SPI/QSPI/MICROWIRE-Compatible Serial Interface
  • Software-Configurable Unipolar or Bipolar Inputs
  • Total Unadjusted Error:
    • ±1LSB max
    • ±0.3LSB typ

 
  		• 4mA- to 20mA-Powered Remote Data-Acquisition Systems
  		• Handheld Measurement Devices
  		• Medical Instruments
  		• Portable Data Logging
  		• 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) Standby Mode Package Price**
    MAX1110  8 8 50 20 Serial Ext.
    Int.+2.048     		Yes 3
    3.3
    5     		0.085 0.2295 Yes CDIP(N)/20
    PDIP(N)/20
    SSOP/20     		$1.86 @ 1k
    MAX1111  4 CDIP(N)/16
    PDIP(N)/16
    QSOP/16     		$1.69 @ 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 801: Frequently Asked Questions About Data Converters - MAX1111
  		• Application Note 1080: Understanding SAR ADCs - MAX1111

    Evaluation Kits
    none

    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: 1-29 of 29

    MAX1110 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1110EVL11-DIP    


    Land Pattern: Not Available

    		See data sheet
    MAX1110MJP    
    		CDIP(N);20 pin;219 mm²
    Outline Drawing: 21-0045 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: J20-2*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1110C/D    


    Land Pattern: Not Available

    		See data sheet
    MAX1110CPP+  
    		PDIP(N);20 pin;217 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20+5*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1110CPP    
    		PDIP(N);20 pin;217 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20-5*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1110EPP+  
    		PDIP(N);20 pin;217 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20+5*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1110EPP    
    		PDIP(N);20 pin;217 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P20-5*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1110CAP+  
    		SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1110CAP+T    
    		SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1110CAP    
    		SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1110CAP-T    
    		SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1110EAP-T    
    		SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1110EAP+  
    		SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1110EAP+T    
    		SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1110EAP    
    		SSOP;20 pin;58 mm²
    Outline Drawing: 21-0056 (PDF)
    Land Pattern: 90-0094 (PDF)
    Use pkgcode/variation: A20-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1111 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1111MJE    
    		CDIP(N);16 pin;173 mm²
    Outline Drawing: 21-0045 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: J16-3*
    		-55°C to +125°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1111C/D    


    Land Pattern: Not Available

    		See data sheet
    MAX1111CPE    
    		PDIP(N);16 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P16-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1111CPE+  
    		PDIP(N);16 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P16+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1111EPE    
    		PDIP(N);16 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P16-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1111EPE+  
    		PDIP(N);16 pin;158 mm²
    Outline Drawing: 21-0043 (PDF)
    Land Pattern: Not Applicable
    Use pkgcode/variation: P16+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1111CEE+  
    		QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1111CEE+T    
    		QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+1*
    		0°C to +70°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1111CEE    
    		QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1111CEE-T    
    		QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		0°C to +70°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1111EEE    
    		QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1111EEE+T    
    		QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1111EEE+  
    		QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16+1*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1111EEE-T    
    		QSOP;16 pin;31 mm²
    Outline Drawing: 21-0055 (PDF)
    Land Pattern: 90-0167 (PDF)
    Use pkgcode/variation: E16-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

    Notes and Comments
    1LSB TUE

    DB11

    Related Products
    MAX1110, MAX1111 +2.7V, Low-Power, Multichannel, Serial, 8-Bit ADCs
    MAX1112, MAX1113 +5V, Low-Power, Multichannel, Serial 8-Bit ADCs
    MAX1108, MAX1109 Single-Supply, Low-Power, 2-Channel, Serial 8-Bit ADCs
    MAX1106, MAX1107 Single-Supply, Low-Power, Serial 8-Bit ADCs

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    Document Ref.: 19-1194; Rev 2; 1998-10-01
    This page last modified: 2007-07-19


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