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MAX1156

Description
14-Bit, 135ksps, Single-Supply ADCs with Bipolar Analog Input Range
File Size242KB,15 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX1156 Overview

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

19-2736; Rev 0; 1/03
14-Bit, 135ksps, Single-Supply ADCs with
Bipolar Analog Input Range
General Description
The MAX1156/MAX1158/MAX1174 14-bit, low-power,
successive-approximation analog-to-digital converters
(ADCs) feature automatic power-down, a factory-
trimmed internal clock, and a byte-wide parallel inter-
face. The devices operate from a single +4.75V to
+5.25V analog supply and feature a separate digital
supply input for direct interface with +2.7V to +5.25V
digital logic.
The MAX1156 accepts a 0 to +10V analog input volt-
age range. The MAX1158 accepts a ±10V bipolar ana-
log input voltage range, while the MAX1174 accepts a
±5V bipolar analog input voltage range. 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 (typ)
at 10ksps.
The MAX1156/MAX1158/MAX1174 are ideal for high-
performance, battery-powered, data-acquisition appli-
cations. Excellent AC performance (THD = -100dB) and
DC accuracy (±1LSB INL) make the MAX1156/
MAX1158/MAX1174 ideal for industrial process control,
instrumentation, and medical applications.
The MAX1156/MAX1158/MAX1174 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.
o
Byte-Wide Parallel Interface
o
Analog Input Voltage Range: ±10V, ±5V, 0 to 10V
o
Single +4.75V to +5.25V Analog Supply Voltage
o
Interface with +2.7V to +5.25V Digital Logic
o
±1LSB INL (max)
o
±1LSB DNL (max)
o
Low Supply Current (max)
2.9mA (External Reference)
3.8mA (Internal Reference)
5µA AutoShutdown Mode
o
Small Footprint
o
20-Pin TSSOP Package
Features
MAX1156/MAX1158/MAX1174
Ordering Information
PART
MAX1156ACUP
MAX1156BCUP
MAX1156AEUP
MAX1156BEUP
TEMP RANGE
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
INPUT
PIN-
VOLTAGE
PACKAGE
RANGE
20 TSSOP
20 TSSOP
20 TSSOP
20 TSSOP
0 to +10V
0 to +10V
0 to +10V
0 to +10V
Ordering Information continued at end of data sheet.
Applications
Temperature Sensing and Monitoring
Industrial Process Control
I/O Modules
Data-Acquisition Systems
Precision Instrumentation
ANALOG INPUT
Typical Operating Circuit
+5V ANALOG
0.1µF
+5V DIGITAL
0.1µF
AV
DD
AIN
DV
DD
µP
DATA
D0–D7 BUS
OR
D8–D13
EOC
REF
REFADJ
R/C
CS
HBEN
HIGH
BYTE
LOW
BYTE
MAX1156
MAX1158
MAX1174
Pin Configuration appears at end of data sheet.
AGND DGND
0.1µF
10µF
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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