MAX872 Maxim, MAX872 Datasheet
MAX872
Manufacturer Part Number
MAX872
Description
10A / Low-Dropout / Precision Voltage References
Manufacturer
Maxim
Datasheet
1.MAX872.pdf
(8 pages)
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The MAX872/MAX874 precision 2.5V and 4.096V micro-
power voltage references consume a maximum of only
10µA and operate from supply voltages up to 20V. The
combination of ultra-low quiescent current and low
200mV dropout makes them ideal for battery-powered
equipment. They source and sink up to 500µA with only
200mV input voltage headroom, which makes the 2.5V
MAX872 ideal for use with a 3V supply and the 4.096V
MAX874 ideal for use with a 5V supply.
Initial accuracy of 0.2% at +25°C (±5mV for the MAX872,
±8mV for the MAX874) and low 40ppm/°C max drift make
these references suitable for a wide range of precision
applications.
19-0005; Rev 2; 6/97
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
Hand-Held Instruments
Battery-Operated Equipment
Power Supplies
REFERENCE WITH TRIMMED OUTPUT
Typical Operating Circuit
3.0V (MAX872)
5.0V (MAX874)
________________________________________________________________ Maxim Integrated Products
MAX872
MAX874
GND
V
IN
General Description
TRIM
V
OUT
Applications
Precision Voltage References
* Dice are specified at +25°C only.
MAX872CPA
MAX872CSA
MAX872C/D
MAX872EPA
MAX872ESA
MAX874CPA
MAX874CSA
MAX874C/D
MAX874EPA
MAX874ESA
Output Voltage
Wide Operating Voltage Range
10µA Max Supply Current
40ppm/°C Max Drift Over Extended Temp. Range
Line Regulation Over Temp.
Load Regulation Over Temp.
±500µA Sink/Source Current
2.500V ±0.2% (MAX872)
4.096V ±0.2% (MAX874)
2.7V to 20V (MAX872)
4.3V to 20V (MAX874)
20µV/V (MAX872)
75µV/V (MAX874)
0.6mV/mA Max (MAX872)
1.0mV/mA Max (MAX874)
PART
TOP VIEW
10µA, Low-Dropout,
TEMP
GND
I.C.
V
IN
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
1
2
4
3
Ordering Information
DIP/SO
MAX872
MAX874
Pin Configuration
8
7
6
5
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
PIN-PACKAGE
COMP
I.C.
V
TRIM
OUT
Features
1
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