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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX6225 Datasheet

Low-Noise / Precision / +2.5V/+4.096V/+5V Voltage References

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MAX6225/MAX6241/MAX6250
Low-Noise, Precision,
+2.5V/+4.096V/+5V Voltage References
General Description
The MAX6225/MAX6241/MAX6250 are low-noise,
precision voltage references with extremely low 1ppm/°C
temperature coefficients and excellent ±0.02% initial
accuracy. These devices feature buried-zener technology
for lowest noise performance. Load-regulation specifications
are guaranteed for source and sink currents up to 15mA.
Excellent line and load regulation and low output impedance
at high frequency make them ideal for high-resolution
data-conversion systems up to 16 bits.
The MAX6225 is set for 2.500V output, the MAX6241 is
set for 4.096V output, and the MAX6250 is set for 5.000V
output. All three devices provide for the option of external
trimming and noise reduction.
Applications
● High-Resolution Analog-to-Digital and Digital-to-
Analog Converters
● High-Accuracy Reference Standard
● High-Accuracy Industrial and Process Control
● Digital Voltmeters
● ATE Equipment
● Precision Current Sources
Typical Operating Circuit
8V TO 36V INPUT
2.2µF*
IN
MAX6225 OUT
MAX6241
MAX6250
NR TRIM
GND
*OPTIONAL
REFERENCE OUT
2.2µF*
Features
● Low 1.0ppm/°C Temperature Coefficient
Very Low 1.5μVP-P Noise (0.1Hz to 10Hz)
● ±0.02% Initial Accuracy
● ±15mA Output Source and Sink Current
● Low, 18mW Power Consumption (MAX6225)
● Industry-Standard Pinout
● Optional Noise Reduction and Voltage Trim
● Excellent Transient Response
● 8-Pin SO Package Available
● Low 20ppm/1000h Long-Term Stability
● Stable for All Capacitive Loads
Ordering Information
PART
TEMPERATURE PIN-
RANGE
PACKAGE
MAX
TEMPCO
(ppm/°C)
MAX6225ACPA+ 0°C to +70°C 8 Plastic DIP
2.0
MAX6225BCPA+ 0°C to +70°C 8 Plastic DIP
5.0
MAX6225ACSA+ 0°C to +70°C 8 SO
2.0
MAX6225BCSA+ 0°C to +70°C 8 SO
5.0
MAX6225AEPA+ -40°C to +85°C 8 Plastic DIP
3.0
MAX6225BEPA+ -40°C to +85°C 8 Plastic DIP
7.0
MAX6225AESA+ -40°C to +85°C 8 SO
5.0
MAX6225BESA+ -40°C to +85°C 8 SO
7.0
MAX6225AMJA -55°C to +125°C 8 CERDIP
5.0
MAX6225BMJA -55°C to +125°C 8 CERDIP
8.0
+Denotes a lead(Pb)-free/RoHS-compliant package.
Ordering Information continues at end of data sheet.
Pin Configuration
TOP VIEW
+
I.C. 1
IN 2
NR 3
MAX6225
MAX6241
MAX6250
GND 4
8 I.C.
7 I.C.
6 OUT
5 TRIM
DIP/SO
I.C. = INTERNALLY CONNECTED; DO NOT USE
19-1139; Rev 6; 7/19


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX6225 Datasheet

Low-Noise / Precision / +2.5V/+4.096V/+5V Voltage References

No Preview Available !

MAX6225/MAX6241/MAX6250
Low-Noise, Precision,
+2.5V/+4.096V/+5V Voltage References
Absolute Maximum Ratings
(Voltages Referenced to GND)
IN............................................................................-0.3V to +40V
OUT, TRIM ..............................................................-0.3V to +12V
NR ............................................................................-0.3V to +6V
OUT Short-Circuit to GND Duration (VIN ≤ 12V)..........Continuous
OUT Short-Circuit to GND Duration (VIN ≤ 40V) ........................5s
OUT Short-Circuit to IN Duration (VIN ≤ 12V) ..............Continuous
Continuous Power Dissipation (TA = +70°C)
8-Pin Plastic DIP (derate 9.09mW/°C above +70°C)...727mW
8-Pin SO (derate 5.88mW/°C above +70°C)................471mW
8-Pin CERDIP (derate 8.00mW/°C above +70°C)...........640mW
Operating Temperature Ranges
MAX62_ _ _C_ A.................................................0°C to +70°C
MAX62_ _ _E_ A..............................................-40°C to +85°C
MAX62_ _ _MJA............................................-55°C to +125°C
Storage Temperature Range ..............................-65°C to +150°C
Lead Temperature (soldering, 10s)...................................+300°C
Soldering Temperature (reflow)
8 PDIP, 8 SOIC............................................................+260°C
8 CDIP..........................................................................+240°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these
or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
Electrical Characteristics—MAX6225
(VIN = +10V, IOUT = 0mA, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
PARAMETER
Input Voltage Range
Output Voltage
Output Voltage Temperature
Coefficient (Note 1)
SYMBOL
CONDITIONS
VIN
VOUT
MAX6225A
MAX6225B
MAX6225AC_A
MAX6225AE_A
MAX6225AMJA
TCVOUT MAX6225BC_A
MAX6225BE_A
MAX6225BMJA
Line Regulation (Note 2)
8V ≤ VIN ≤ 10V
ΔVOUT /
ΔVIN
10V ≤ VIN ≤ 36V
TA
C, E, M
+25°C
+25°C
C
E
M
C
E
M
+25°C
C
E
M
+25°C
C
E
M
MIN
8
2.499
2.497
TYP
2.500
2.500
1.0
1.5
2.0
2.5
2.5
2.5
10
2
MAX
36
2.501
2.503
2.0
3.0
5.0
5.0
7.0
8.0
18
30
35
45
5
7
8
10
UNITS
V
V
ppm/°C
ppm/V
www.maximintegrated.com
Maxim Integrated 2


Part Number MAX6225
Description Low-Noise / Precision / +2.5V/+4.096V/+5V Voltage References
Maker Maxim
Total Page 11 Pages
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