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Numéro de référence | MAX1158 | ||
Description | Single-Supply ADCs | ||
Fabricant | Maxim Integrated | ||
Logo | |||
1 Page
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.
Features
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
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
INPUT
VOLTAGE
RANGE
MAX1156ACUP 0°C to +70°C 20 TSSOP 0 to +10V
MAX1156BCUP 0°C to +70°C 20 TSSOP 0 to +10V
MAX1156AEUP -40°C to +85°C 20 TSSOP 0 to +10V
MAX1156BEUP -40°C to +85°C 20 TSSOP 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
Pin Configuration appears at end of data sheet.
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
Typical Operating Circuit
+5V ANALOG +5V DIGITAL
0.1µF
0.1µF
ANALOG INPUT
HIGH
BYTE
LOW
BYTE
AVDD
AIN
DVDD
D0–D7
OR
D8–D13
µP DATA
BUS
R/C
CS
HBEN
MAX1156
MAX1158
MAX1174
EOC
REF
REFADJ
AGND DGND
0.1µF
10µF
________________________________________________________________ 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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Pages | Pages 15 | ||
Télécharger | [ MAX1158 ] |
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