MX581(2004) Просмотр технического описания (PDF) - Maxim Integrated
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MX581 Datasheet PDF : 8 Pages
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19-1114; Rev 2; 11/04
High-Precision, 10V Reference
General Description
Maxim’s MX581 is a three-terminal, temperature-
compensated, bandgap voltage reference which pro-
vides a precision 10V output from an unregulated input of
12.5V to 30V. Laser trimming is used to minimize initial
error and temperature drift, to as low as 10mV and
15ppm/°C with the MX581.
No external components are needed to achieve full
accuracy over the operating temperature range. Total
supply current to the device, including the internal output
buffer amplifier is typically 750µA.
The MX581 is designed for use with 8- to 14-bit ADCs
and DACs as well as data acquisition systems. The
reference is available in a 3-pin T0-39 metal can and an
8-pin SO surface-mount package.
Applications
CMOS DAC Reference
A/D Converter Reference
Measurement Instrumentation
Threshold Detectors
Precision Analog Systems
Typical Operating Circuit
Features
♦ ±10mV Tolerance (MX581K)
♦ Low Tempco—15ppm/°C max (MAX581K)
♦ No External Components or Trims
♦ Short-Circuit Proof
♦ Output Sources and Sinks Current
♦ 10mA Output Current
♦ Low-Supply Current—1.0mA (max)
♦ Three-Terminal Package
Ordering Information
PART
MX581JH
MX581KH
MX581JCSA
MX581KCSA
MX581JESA
MX581KESA
MX581SH
MX581TH
TEMP RANGE
PIN-
PACKAGE
0°C to +70°C 3 TO-39 Can
0°C to +70°C 3 TO-39 Can
0°C to +70°C 8 SO
0°C to +70°C 8 SO
-40°C to +85°C 8 SO
-40°C to +85°C 8 SO
-55°C to +125°C 3 TO-39 Can
-55°C to +125°C 3 TO-39 Can
ERROR
±30mV
±10mV
±30mV
±10mV
±30mV
±10mV
±20mV
±10mV
Pin Configurations
BOTTOM VIEW
+15V
+VS
+10V
VOUT
10kΩ
MX581
10kΩ
GND
-10V
5kΩ
MX400
+10V REFERENCE
TOP VIEW
+VS
VOUT
GND
TO-39
+10V 1
N.C. 2
N.C. 3
GND 4
MX581
8 +VS
7 N.C.
6 N.C.
5 N.C.
SO
________________________________________________________________ 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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