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Maxim > Products > Analog-to-Digital Converters 
MAX1020, MAX1022, MAX1057, MAX1058
10-Bit, Multichannel ADCs/DACs with FIFO, Temperature Sensing, and GPIO Ports


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Data Sheet
FULL DATA SHEET (PDF, 616kB)
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Description
The MAX1020/MAX1022/MAX1057/MAX1058 integrate a multichannel, 10-bit, analog-to-digital converter (ADC) and an octal, 10-bit, digital-to-analog converter (DAC) in a single IC. These devices also include a temperature sensor and configurable general-purpose I/O ports (GPIOs) with a 25MHz SPI™-/QSPI™-/MICROWIRE™-compatible serial interface. The ADC is available in 8/12/16 inputchannel versions. The octal DAC outputs settle within 2.0µs, and the ADC has a 225ksps conversion rate.

All devices include an internal reference (2.5V or 4.096V) providing a well-regulated, low-noise reference for both the ADC and DAC. Programmable reference modes for the ADC and the DAC allow the use of an internal reference, an external reference, or a combination of both. Features such as an internal ±1°C accurate temperature sensor, FIFO, scan modes, programmable internal or external clock modes, data averaging, and AutoShutdown™ allow users to minimize both power consumption and processor requirements. The low glitch energy (4nV•s) and low digital feedthrough (0.5nV•s) of the integrated octal DACs make these devices ideal for digital control of fast-response closed-loop systems.

The devices are guaranteed to operate with a supply voltage from +2.7V to +3.6V (MAX1057) and from +4.75V to +5.25V (MAX1020/MAX1022/MAX1058). The devices consume 2.5mA at 225ksps throughput, only 22µA at 1ksps throughput, and under 0.2µA in the shutdown mode. The MAX1057/MAX1058 feature 12 GPIOs, while the MAX1020 offers four GPIOs that can be configured as inputs or outputs.

The MAX1057/MAX1058 are available in 48-pin thin QFN packages. The MAX1020/MAX1022 are available in 36-pin thin QFN packages. All devices are specified over the -40°C to +85°C temperature range.

Key Features   Applications/Uses
  • 10-Bit, 225ksps ADC
    • Analog Multiplexer with True-Differential Track/Hold (T/H)
    • 16 Single-Ended Channels or 8 Differential Channels (Unipolar or Bipolar) (MAX1057/MAX1058)
    • 12 Single-Ended Channels or 6 Differential Channels (Unipolar or Bipolar) (MAX1022)
    • 8 Single-Ended Channels or 4 Differential Channels (Unipolar or Bipolar) (MAX1020)
    • Excellent Accuracy: ±0.5 LSB INL, ±0.5 LSB DNL
  • 10-Bit, Octal, 2µs Settling DAC
    • Ultra-Low Glitch Energy (4nV•s)
    • Power-Up Options from Zero Scale or Full Scale
    • Excellent Accuracy: ±1 LSB INL
  • Internal Reference or External Single-Ended/Differential Reference
    • Internal Reference Voltage 2.5V or 4.096V
  • Internal ±1°C Accurate Temperature Sensor
  • On-Chip FIFO Capable of Storing 16 ADC Conversion Results and One Temperature Result
  • On-Chip Channel-Scan Mode and Internal Data-Averaging Features
  • Analog Single-Supply Operation
    • +2.7V to +3.6V or +4.75V to +5.25V
  • Digital Supply: 2.7V to AVDD
  • 25MHz, SPI/QSPI/MICROWIRE Serial Interface
  • AutoShutdown Between Conversions
  • Low-Power ADC
    • 2.5mA at 225ksps
    • 22µA at 1ksps
    • 0.2µA at Shutdown
  • Low-Power DAC: 1.5mA
  • Evaluation Kit Available (Order MAX1258EVKIT)

 
  		• Base-Station Control Loops
  		• Controls for Optical Components
  		• Data Acquisition Systems
  		• System Supervision and Control

    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**
    MAX1020  10 8 300 3.5 Serial Ext
    Int +4.096     		Yes 5 5.3 26.5 Yes Yes Yes Yes THIN QFN/36 37 -40 to +85 $9.20 @ 1k
    MAX1022  12 Ext
    Int +4.096     		5 26.5 THIN QFN/36 37 $9.40 @ 1k
    MAX1057  16 Ext
    Int +2.5     		3
    3.3     		6.9 THIN QFN/48 50 $9.90 @ 1k
    MAX1058  16 Ext
    Int +4.096     		5 12.5 THIN QFN/48 50 $9.90 @ 1k
    See All Precision ADCs (< 5Msps) (302)
    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.

    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: 1-18 of 18

    MAX1020 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1020BETX+T  



    		-40°C to +85°C See data sheet
    MAX1020BETX-T  



    		-40°C to +85°C See data sheet
    MAX1020BETX+  
    		THIN QFN;36 pin;37 mm²
    Dwg: 21-0141I (PDF)
    Use pkgcode/variation: T3666+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1020BETX  
    		THIN QFN;36 pin;37 mm²
    Dwg: 21-0141I (PDF)
    Use pkgcode/variation: T3666-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1022 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1022BETX+  
    		THIN QFN;36 pin;37 mm²
    Dwg: 21-0141I (PDF)
    Use pkgcode/variation: T3666+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1022BETX+T  
    		THIN QFN;36 pin;37 mm²
    Dwg: 21-0141I (PDF)
    Use pkgcode/variation: T3666+3*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1022BETX-T  



    		-40°C to +85°C See data sheet
    MAX1022BETX  
    		THIN QFN;36 pin;37 mm²
    Dwg: 21-0141I (PDF)
    Use pkgcode/variation: T3666-3*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1057 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1057EVKIT  



    		See data sheet
    MAX1057BETM+T  



    		-40°C to +85°C See data sheet
    MAX1057BETM+  
    		THIN QFN;48 pin;50 mm²
    Dwg: 21-0144F (PDF)
    Use pkgcode/variation: T4877+6*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1057BETM-T  



    		-40°C to +85°C See data sheet
    MAX1057BETM  
    		THIN QFN;48 pin;50 mm²
    Dwg: 21-0144F (PDF)
    Use pkgcode/variation: T4877-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX1058 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX1058EVKIT  



    		See data sheet
    MAX1058BETM+  
    		THIN QFN;48 pin;50 mm²
    Dwg: 21-0144F (PDF)
    Use pkgcode/variation: T4877+6*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX1058BETM-T  



    		-40°C to +85°C See data sheet
    MAX1058BETM+T  



    		-40°C to +85°C See data sheet
    MAX1058BETM  
    		THIN QFN;48 pin;50 mm²
    Dwg: 21-0144F (PDF)
    Use pkgcode/variation: T4877-6*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis

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    Document Ref.: 19-3280; Rev 4; 2008-05-09
    This page last modified: 2008-05-09




             


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