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MAX6173–MAX6177
High-Precision Voltage References with
Temperature Sensor
Temperature Coefficient vs. Operating
Temperature Range for a
1 LSB Maximum Error
In a data converter application, the reference voltage
of the converter must stay within a certain limit to keep
the error in the data converter smaller than the resolu-
( V OUT + 2V) TO 40V INPUT
IN
tion limit through the operating temperature range.
Figure 1 shows the maximum allowable reference-volt-
age temperature coefficient to keep the conversion
error to less than 1 LSB, as a function of the operating
OUT
REFERENCE
OUTPUT
temperature range (T MAX - T MIN ) with the converter
resolution as a parameter. The graph assumes the ref-
*
MAX6173–MAX6177
erence-voltage temperature coefficient as the only
parameter affecting accuracy.
TEMP
TRIM
MAX5436
50k Ω
In reality, the absolute static accuracy of a data con-
verter is dependent on the combination of many para-
meters such as integral nonlinearity, differential
nonlinearity, offset error, gain error, as well as voltage-
reference changes.
Pin Configuration
POTENTIOMETER
GND
*OPTIONAL.
Figure 2. Applications Circuit Using the MAX5436 Potentiometer
Chip Information
PROCESS: BiCMOS
TOP VIEW
+
I.C.*
1
8
I.C.*
Package Information
IN
TEMP
2
3
MAX6173–
MAX6177
7
6
N.C.
OUT
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages . Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only.
GND 4
5
TRIM
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
SO
*INTERNALLY CONNECTED. DO NOT CONNECT.
PACKAGE
TYPE
8 SO
PACKAGE
CODE
S8+4
OUTLINE
NO.
21-0041
LAND
PATTERN NO.
90-0096
14
Maxim Integrated
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