MAX873A, MAX873B:Low-Power, Low-Drift, +2.5V/+5V/+10V Precision Voltage Reference

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 environmental conditions. Operation for the MAX873 is guaranteed with a +4.5V supply, making the part ideal in systems running from a +5V ±10% supply. Low 10Hz to 1kHz noise—typically 3.8µVRMS, 9µVRMS, and 18µVRMS, 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, temperature warning circuits, and other applications.

Key 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: 3.8µVP-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: Typical Operating Circuit
MAX873, MAX875, MAX876: Typical Operating Circuit
Applications/Uses
  • 12-Bit ADCs and DACs
  • Digital Multimeters
  • Low-Power Test Equipment
  • Portable Data-Acquisition Systems
DataSheet
titleDownload file
MAX873-MAX876 Data SheetMAX873-MAX876.pdf
Parametrics
Part NumberVOUT
(V)
Temp. Coeff.
(ppm/°C)
Initial Accuracy
(% max)
ISUPPLY
(µA)
VSUPPLY
(V)
VSUPPLY
(V)
Noise 0.1Hz to 10Hz
(µVpp)
Oper. Temp.
(°C)
Package/PinsBudgetary
Price
max@ +25°CmaxminmaxtypSee Notes
MAX873A2.570.062804.51816-40 to +85CDIP(N)/8
SOIC(N)/8
$4.31 @1k
MAX873B2.5200.12804.516CDIP(N)/8
SOIC(N)/8
$2.61 @1k
MAX875A570.04280732CDIP(N)/8
PDIP(N)/8
SOIC(N)/8
$9.73 @500
MAX875B5200.06280732CDIP(N)/8
PDIP(N)/8
SOIC(N)/8
$5.96 @1k
MAX876A1070.035501218CDIP(N)/8
PDIP(N)/8
SOIC(N)/8
$4.31 @1k
MAX876B10200.055501218CDIP(N)/8
PDIP(N)/8
SOIC(N)/8
$2.45 @1k
Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX873AESANo Longer AvailableMAX873AESA+SOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
MAX873AESA+ActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
MAX873AESA+TActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
MAX873AESA-TNo Longer AvailableMAX873AESA+TSOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
MAX873AMJANo Longer AvailableCDIP(N),;8 pin;82.6 mm²-55°C to +125°CNo
MAX873-MAX876.pdf MAX876B
MAX873-MAX876.pdf MAX876B