Datasheet

MAX873/MAX875/MAX876
Low-Power, Low-Drift, +2.5V/+5V/+10V
Precision Voltage References
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= +5V for V
OUT
= +2.5V, V
IN
= +15V for V
OUT
= +10V, I
OUT
= 0, T
A
= +25°C, unless otherwise noted.)
400
600
500
800
700
900
-50 -25 0 25 50 75 100 125
TEMP VOLTAGE
vs. TEMPERATURE (V
OUT
= 10V)
MAX873/75/76 toc19
TEMPERATURE (°C)
TEMP VOLTAGE (mV)
2.35
2.50
2.45
2.40
2.60
2.55
2.65
0 0.5 1.0 1.5 2.0 2.5
OUTPUT VOLTAGE
vs. TRIM VOLTAGE (V
OUT
= 2.5V)
MAX873/75/76 toc20
TRIM VOLTAGE (V)
OUTPUT VOLTAGE (V)
2.498
2.500
2.499
2.501
2.502
0 200 400 600 800 1000
LONG-TERM STABILITY vs. TIME
(V
OUT
= 2.500V)
MAX873/75/76 toc21
TIME (hours)
V
OUT
(V)
TWO TYPICAL PARTS
9.998
10.000
9.999
10.001
10.002
0 200 400 600 800 1000
LONG-TERM STABILITY vs. TIME
(V
OUT
= 10.0V)
MAX873/75/76 toc22
TIME (hours)
V
OUT
(V)
TWO TYPICAL PARTS
1000
100
OUTPUT-VOLTAGE NOISE DENSITY
vs. FREQUENCY (V
OUT
= 2.5V)
MAX873/75/76 toc23
FREQUENCY (Hz)
OUTPUT VOLTAGE-NOISE DENSITY (nV/√
Hz
)
0.1 100 1000110
10,000
1000
100
OUTPUT-VOLTAGE NOISE DENSITY
vs. FREQUENCY (V
OUT
= 10V)
MAX873/75/76 toc24
FREQUENCY (Hz)
OUTPUT VOLTAGE-NOISE DENSITY (nV/√
Hz
)
0.1 100 1000110
0.1Hz TO 10Hz OUTPUT NOISE
(V
OUT
= 2.5V)
MAX873/75/76 toc25
1µV/div
1s/div
0.1Hz TO 10Hz OUTPUT NOISE
(V
OUT
= 10V)
MAX873/75/76 toc26
4µV/div
1s/div