Datasheet MAX873, MAX875, MAX876 (Analog Devices)

19-0038; Rev 3; 6/07
Low-Power, Low-Drift, +2.5V/+5V/+10V Precision Voltage References MAX873/MAX875/MAX876 General Description Features
The MAX873/MAX875/MAX876 precision 2.5V, 5V, and ♦
MAX873/MAX875/MAX876
10V references offer excellent accuracy and very low
+2.5V/+5V/+10V Outputs
power consumption. Extremely low temperature drift
±1.5mV/±2.0mV/±3.0mV (max) Initial Accuracy
combined with excellent line and load regulation permit stable operation over a wide range of electrical and envi- ♦
7ppm/°C (max) Temperature Coefficient
ronmental conditions. Operation for the MAX873 is guar- ♦
450µ A (max) Quiescent Current
anteed with a +4.5V supply, making the part ideal in systems running from a +5V ±10% supply. Low 10Hz to ♦
Low Noise: 3.8µVP-P (typ at 2.5V)
1kHz noise—typically 3.8µVRMS, 9µVRMS, and 18µVRMS, respectively, for the MAX873, MAX875, MAX876—make ♦
Sources 10mA, Sinks 2mA
the parts suitable for 12-bit data-acquisition systems. ♦
15ppm/mA Load Regulation (max)
A TRIM pin facilitates adjustment of the reference voltage ♦
4ppm/V Line Regulation (max)
over a ±6% range, using only a 100kΩ potentiometer. A voltage output proportional to temperature provides a ♦
Wide Supply Voltage Range, +4.5V to +18V
source for temperature compensation circuits, tempera-
(MAX873)
ture warning circuits, and other applications. ♦
TEMP Output Proportional to Temperature Applications Typical Operating Circuit
12-Bit ADCs and DACs V+ Digital Multimeters Portable Data-Acquisition Systems IN Low-Power Test Equipment MAX873 MAX875 +2.5V (MAX873) 0.1µF* MAX876 OUT +5.0V (MAX875) +10.0V (MAX876) GND *OPTIONAL
Pin Configuration appears at end of data sheet.
0V
Ordering Information/Selector Guide OUTPUT MAX INITIAL PIN- PKG PART VOLTAGE TEMPCO ACCURACY PACKAGE CODE (V) (ppm/°C) % MAX873
AESA+ 8 SO 2.500 7 ± 0.06 S8-4 MAX873BESA+ 8 SO 2.500 20 ± 0.10 S8-4
MAX875
AESA+ 8 SO 5.000 7 ± 0.04 S8-4 MAX875BESA+ 8 SO 5.000 20 ± 0.06 S8-4
MAX876
AESA+ 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.
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