MAX872ESA ,10A / Low-Dropout / Precision Voltage ReferencesFeaturesThe MAX872/MAX874 precision 2.5V and 4.096V micro- ' Output Voltagepower voltage references ..
MAX872ESA ,10A / Low-Dropout / Precision Voltage ReferencesMAX872/MAX87419-0005; Rev 2; 6/9710µA, Low-Dropout,Precision Voltage References
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MAX872CPA-MAX872CSA-MAX872ESA
10A / Low-Dropout / Precision Voltage References
MAX872/MAX874
10µA, Low-Dropout,
Precision Voltage References
General DescriptionThe 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.
ApplicationsHand-Held Instruments
Battery-Operated Equipment
Power Supplies
FeaturesOutput Voltage
2.500V ±0.2% (MAX872)
4.096V ±0.2% (MAX874)Wide Operating Voltage Range
2.7V to 20V (MAX872)
4.3V to 20V (MAX874)10µA Max Supply Current40ppm/°C Max Drift Over Extended Temp. RangeLine Regulation Over Temp.
20µV/V (MAX872)
75µV/V (MAX874)Load Regulation Over Temp.
0.6mV/mA Max (MAX872)
1.0mV/mA Max (MAX874)±500µA Sink/Source Current
Typical Operating Circuit19-0005; Rev 2; 6/97
Pin Configuration
Ordering Information
MAX872/MAX874
10µA, Low-Dropout,
Precision Voltage References
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX872(VIN= 2.7V, IL= 0mA, TA= +25°C, unless otherwise noted.)
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.
Supply Voltage.......................................................................24V
Output Short-Circuit Duration..........Continuous to Either Supply
CCOMPInput...........................................................-0.3V to VOUT
TRIM Input...................................................-0.3V to (VIN+ 0.3V)
TEMP Output...............................................-0.3V to (VIN+ 0.3V)
Continuous Power Dissipation (TA= +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C).............727mW
SO (derate 5.88mW/°C above +70°C)..........................471mW
Operating Temperature Ranges
MAX87_C__.........................................................0°C to +70°C
MAX87_E__......................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Junction Temperature Range (Tj)......................-65°C to +160°C
Lead Temperature (soldering, 10sec).............................+300°C
ELECTRICAL CHARACTERISTICS—MAX874(VIN= 4.3V, IL= 0mA, TA= +25°C, unless otherwise noted.)
MAX872/MAX874
10µA, Low-Dropout,
Precision Voltage References
Note 1:If the load current exceeds 300µA, connect a minimum of 1000pF from VOUTto GND. Note that if a capacitor larger than
1000pF is used, a compensation capacitor of COUT/100 must be connected from VOUTto COMP.
ELECTRICAL CHARACTERISTICS—MAX872C(VIN= 2.7V, IL= 0mA, TA= 0°C to +70°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS—MAX874C(VIN= 4.3V, IL= 0mA, TA= 0°C to +70°C, unless otherwise noted.)
MAX872/MAX874
10µA, Low-Dropout,
Precision Voltage References
ELECTRICAL CHARACTERISTICS—MAX872E(VIN= 2.7V, IL= 0mA, TA= -40°C to +85°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS—MAX874E(VIN= 4.3V, IL= 0mA, TA= -40°C to +85°C, unless otherwise noted.)
MAX872/MAX874
10µA, Low-Dropout,
Precision Voltage References
Typical Operating Characteristics(VIN= 3V (MAX872), VIN= 5V (MAX874), no load, TA = +25°C, unless otherwise noted.)
MAX872/MAX874
10µA, Low-Dropout,
Precision Voltage Referencesypical Operating Characteristics (continued)(VIN= 3V (MAX872), VIN= 5V (MAX874), no load, TA = +25°C, unless otherwise noted.)
