MAX1178, MAX1188

16-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range

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Status Explanations for product status codes

Part Number Status
MAX1178 Active: In Production. See Ordering Information for details.
MAX1188 Active: In Production. See Ordering Information for details.

Description

The MAX1178/MAX1188 16-bit, low-power, successive-approximation analog-to-digital converters (ADCs) feature automatic power-down, a factory-trimmed internal clock, and a byte-wide parallel interface. The devices operate from a single +4.75V to +5.25V analog supply and feature a separate digital supply input for direct interface with a +2.7V to +5.25V digital logic.

The MAX1188 accepts a bipolar analog input voltage range of ±10V, while the MAX1178 accepts a bipolar analog input voltage range of ±5V. All devices consume no more than 26.5mW at a sampling rate of 135ksps when using an external reference, and 31mW when using the internal +4.096V reference. AutoShutdown™ reduces supply current to 0.4mA at 10ksps.

The MAX1178/MAX1188 are ideal for high-performance, battery-powered, data-acquisition applications. Excellent AC performance (THD = -100dB) and DC accuracy (±2 LSB INL) make the MAX1178/MAX1188 ideal for industrial process control, instrumentation, and medical applications.

The MAX1178/MAX1188 are available in a 20-pin TSSOP package and are fully specified over the -40°C to +85°C extended temperature range and the 0°C to +70°C commercial temperature range.
 

Data Sheet

Download this datasheet in PDF formatDownload Rev 1 (PDF, 344kB)
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Key Features

  • Byte-Wide Parallel Interface
  • Analog Input Voltage Range: ±10V, ±5V
  • Single +4.75V to +5.25V Analog Supply Voltage
  • Interface with +2.7V to +5.25V Digital Logic
  • ±2 LSB INL
  • ±1 LSB DNL
  • Low Supply Current (max)
    • 2.9mA (External Reference)
    • 3.8mA (Internal Reference)
    • 5µA AutoShutdown Mode
  • Small Footprint
  • 20-Pin TSSOP Package
 

Applications/Uses

  • Data Acquisition Systems
  • I/O Modules
  • Industrial Process Controls
  • Precision Instrumentation
  • Temperature Sensing and Monitoring
   

Key Specifications:

Precision ADCs (< 5Msps)
Part Number Resolution
(bits)
Input Chan. Conv. Rate
(ksps)
Data Bus
(bits)
Diff/S.E. Input Internal VREF
(V)
External VREF
(V)
External VREF
(V)
Bipolar VIN
(±V)
SNR
(dB)
SINAD
(dB)
THD
(dB)
SFDR
(dB)
INL
(±LSB)
Package/Pins Budgetary Price
ADC max nominal min max max See Notes
MAX1178  16 1 135 µP/8 S.E. Only 4.096 3.8 4.2 5 91 90 -100 103 4
TSSOP/20
$17.06 @1k
MAX1188  10
TSSOP/20
$10.78 @1k
See All Precision ADCs (< 5Msps) (417)
Pricing 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.


Diagram

MAX1178, MAX1188: Typical Operating Circuit
Typical Operating Circuit

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Document Ref.: 19-2755 Rev 1; 2003-09-24
This page last modified: 2009-10-08




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