Datasheet

MAX6143
High-Precision Voltage Reference with
Temperature Sensor
10 ______________________________________________________________________________________
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.)
0.01
1
0.1
10
100
-50 -25 0 25 50 75 100 125
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE (V
OUT
= 10V)
MAX6143toc19
TEMPERATURE (°C)
SHUTDOWN CURRENT (nA)
400
600
500
700
800
-50 -25 0 25 50 75 100 125
TEMP VOLTAGE
vs. TEMPERATURE (V
OUT
= 2.5V)
MAX6143toc20
TEMPERATURE (°C)
TEMP VOLTAGE (mV)
400
600
500
800
700
900
-50 -25 0 25 50 75 100 125
TEMP VOLTAGE
vs. TEMPERATURE (V
OUT
= 10V)
MAX6143toc21
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)
MAX6143toc22
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)
MAX6143toc23
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)
MAX6143toc24
TIME (hours)
V
OUT
(V)
TWO TYPICAL PARTS
1000
100
OUTPUT VOLTAGE-NOISE DENSITY
vs. FREQUENCY (V
OUT
= 2.5V)
MAX6143toc25
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)
MAX6143toc26
FREQUENCY (Hz)
OUTPUT VOLTAGE-NOISE DENSITY (nV/√Hz)
0.1 100 1000110
0.1Hz TO 10Hz OUTPUT NOISE
MAX6143toc27
1µV/div
1s/div