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MAX875BESA+

P1-P3P4-P6P7-P9P10-P12
General Description
The MAX873/MAX875/MAX876 precision 2.5V, 5V, and
10V references offer excellent accuracy and very low
power consumption. Extremely low temperature drift
combined with excellent line and load regulation permit
stable operation over a wide range of electrical and envi-
ronmental conditions. Operation for the MAX873 is guar-
anteed with a +4.5V supply, making the part ideal in
systems running from a +5V ±10% supply. Low 10Hz to
1kHz noise—typically 3.8µV
RMS
, 9µV
RMS
, and 18µV
RMS
,
respectively, for the MAX873, MAX875, MAX876—make
the parts suitable for 12-bit data-acquisition systems.
A TRIM pin facilitates adjustment of the reference voltage
over a ±6% range, using only a 100kΩ potentiometer. A
voltage output proportional to temperature provides a
source for temperature compensation circuits, tempera-
ture warning circuits, and other applications.
Applications
12-Bit ADCs and DACs
Digital Multimeters
Portable Data-Acquisition Systems
Low-Power Test Equipment
Features
♦ MAX873/MAX875/MAX876
+2.5V/+5V/+10V Outputs
±1.5mV/±2.0mV/±3.0mV (max) Initial Accuracy
♦ 7ppm/°C (max) Temperature Coefficient
♦ 450µA (max) Quiescent Current
♦ Low Noise: 3.8µV
P-P
(typ at 2.5V)
♦ Sources 10mA, Sinks 2mA
♦ 15ppm/mA Load Regulation (max)
♦ 4ppm/V Line Regulation (max)
♦ Wide Supply Voltage Range, +4.5V to +18V
(MAX873)
♦ TEMP Output Proportional to Temperature
MAX873/MAX875/MAX876
Low-Power, Low-Drift, +2.5V/+5V/+10V
Precision Voltage References
________________________________________________________________
Maxim Integrated Products
1
19-0038; Rev 3; 6/07
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information/Selector Guide
+2.5V (MAX873)
+5.0V (MAX875)
+10.0V (MAX876)
*OPTIONAL
IN
V+
0V
GND
0.1µF*
OUT
MAX873
MAX875
MAX876
Typical Operating Circuit
Pin Configuration appears at end of data sheet.
PART
PIN-
PACKAGE
OUTPUT
VOLTAGE
(V)
MAX
TEMPCO
(ppm/°C)
INITIAL
ACCURACY
%
PKG
CODE
MAX873AESA+ 8 SO 2.500 7 ± 0.06 S8-4
MAX873BESA+ 8 SO 2.500 20 ± 0.10 S8-4
MAX875AESA+ 8 SO 5.000 7 ± 0.04 S8-4
MAX875BESA+ 8 SO 5.000 20 ± 0.06 S8-4
MAX876AESA+ 8 SO 10.000 7 ± 0.03 S8-4
MAX876BESA+ 8 SO 10.000 20 ± 0.05 S8-4
+
Denotes a lead-free package.
Note: All devices are specified over the -40°C to +85°C operating temperature range.
MAX873/MAX875/MAX876
Low-Power, Low-Drift, +2.5V/+5V/+10V
Precision Voltage References
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
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.
IN to GND ...............................................................-0.3V to +20V
OUT, TRIM, TEMP, TEST ..............................- 0.3V to (IN + 0.3V)
Output Short-Circuit Duration (to GND)....................................5s
Continuous Power Dissipation (T
A
= +70°C)
SO (derate 5.88mW/°C above +70°C).........................471mW
Operating Temperature Ranges:
MAX87_ _E_A ..................................................-40°C to +85°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Junction Temperature (T
J
) ...............................................+150°C
ELECTRICAL CHARACTERISTICS—MAX873
(V
IN
= +5V, I
L
= 0mA, C
LOAD
< 100pF, T
A
= -40°C to +85°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX873A (0.06%) 2.4985 2.5000 2.5015
Output Voltage V
OUT
T
A
= +25°C
MAX873B (0.10%) 2.4975 2.5000 2.5025
V
MAX873A 2 7
Output-Voltage Drift
(Note 1)
TCV
OUT
MAX873B 5 20
ppm/°C
0.1Hz to 10Hz 3.8 µV
P-P
Output-Noise Voltage e
n
T
A
= +25°C
10Hz to 1kHz 6.8 µV
RMS
T
A
= +25°C 1 4.0
Line Regulation V
IN
= 4.5V to 18V
T
A
= -40°C to +85°C 2 6
ppm/V
T
A
= +25°C 3 15
I
L
= 0 to 10mA
(source)
T
A
= -40°C to +85°C 3 20
T
A
= +25°C 100 900
Load Regulation
I
L
= 0 to -1mA (sink)
T
A
= -40°C to +85°C 150 1900
ppm/mA
T
A
= +25°C 300 450
Quiescent Supply Current I
Q
T
A
= -40°C to +85°C 300 600
µA
Short-Circuit Output Current I
SC
Output shorted to GND 60 mA
V
OUT
Adjust Range ±100 mV
Long-Term Output Drift 50 ppm/kh
TEMP PIN
Voltage Output V
TEMP
T
A
= +25°C 570 mV
Temperature Sensitivity TCV
TEMP
1.9 mV/°C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX875A (0.04%) 4.998 5.000 5.002
Output Voltage V
OUT
T
A
= +25°C
MAX875B (0.06%) 4.997 5.000 5.003
V
MAX875A 2 7
Output Voltage Drift
(Note 1)
TCV
OUT
MAX875B 5 20
ppm/°C
0.1Hz to 10Hz 9 µV
P-P
Output-Noise Voltage e
n
T
A
= +25°C
10Hz to 1kHz 14.5 µV
RMS
T
A
= +25°C 1 4.0
Line Regulation V
IN
= 7V to 18V
T
A
= -40°C to +85°C 2 6
ppm/V
ELECTRICAL CHARACTERISTICS—MAX875
(V
IN
= +15V, I
L
= 0mA, C
LOAD
< 100pF, T
A
= -40°C to +85°C, unless otherwise noted.)
MAX873/MAX875/MAX876
Low-Power, Low-Drift, +2.5V/+5V/+10V
Precision Voltage References
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS—MAX875 (continued)
(V
IN
= +15V, I
L
= 0mA, C
LOAD
< 100pF, T
A
= -40°C to +85°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS—MAX876
(V
IN
= +15V, I
L
= 0mA, C
LOAD
< 100pF, T
A
= -40°C to +85°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
MAX876A (0.03%) 9.997 10.000 10.003
Output Voltage V
OUT
T
A
= +25°C
MAX876B (0.05%) 9.995 10.000 10.005
V
MAX876A 2 7
Output Voltage Drift
(Note 1)
TCV
OUT
MAX876B 5 20
ppm/°C
0.1Hz to 10Hz 18 µV
P-P
Output-Noise Voltage e
n
T
A
= +25°C
10Hz to 1kHz 29 µV
RMS
T
A
= +25°C 1 4.0
Line Regulation V
IN
= 12V to 18V
T
A
= -40°C to +85°C 1 6
ppm/V
T
A
= +25°C 1 15
I
L
= 0 to 10mA
(source)
T
A
= -40°C to +85°C 1 20
T
A
= +25°C 100 900
Load Regulation
I
L
= 0 to -1mA (sink)
T
A
= -40°C to +85°C 150 1900
ppm/mA
T
A
= +25°C 320 550
Quiescent Supply Current I
Q
T
A
= -40°C to +85°C 340 700
µA
Short-Circuit Output Current I
SC
Output shorted to GND 60 mA
V
OUT
Adjust Range ±600 mV
Long-Term Output Drift 50 ppm/kh
TEMP PIN
Voltage Output V
TEMP
T
A
= +25°C 630 mV
Temperature Sensitivity TCV
TEMP
2.1 mV/°C
Note 1: Temperature coefficient is defined as maximum ∆V
OUT
divided by maximum ∆T of the temperature range.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
T
A
= +25°C 3 15
I
L
= 0 to 10mA
(source)
T
A
= -40°C to +85°C 3 20
T
A
= +25°C 100 900
Load Regulation
I
L
= 0 to -1mA (sink)
T
A
= -40°C to +85°C 150 1900
ppm/mA
T
A
= +25°C 320 550
Quiescent Supply Current I
Q
T
A
= -40°C to +85°C 320 700
µA
Short-Circuit Output Current I
SC
Output shorted to GND 60 mA
V
OUT
Adjust Range ±300 mV
Long-Term Output Drift 50 ppm/kh
TEMP PIN
Voltage Output V
TEMP
T
A
= +25°C 630 mV
Temperature Sensitivity TCV
TEMP
2.1 mV/°C
P1-P3P4-P6P7-P9P10-P12

MAX875BESA+

Mfr. #:
Buy MAX875BESA+
Manufacturer:
Maxim Integrated
Description:
Voltage References 2.5/5/10V Precision Voltage Reference
Lifecycle:
New from this manufacturer.
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