High-Precision Voltage References with
Temperature Sensor
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擄C, unless otherwise noted.)
TEMP VOLTAGE
vs. TEMPERATURE (V
OUT
= 10V)
MAX6173 toc19
MAX6173鈥揗AX6177
OUTPUT VOLTAGE
vs. TRIM VOLTAGE (V
OUT
= 2.5V)
MAX6173 toc20
LONG-TERM STABILITY vs. TIME
(V
OUT
= 2.500V)
TWO TYPICAL PARTS
2.501
MAX6173 toc21
900
2.65
2.60
OUTPUT VOLTAGE (V)
2.55
2.50
2.45
2.502
800
TEMP VOLTAGE (mV)
V
OUT
(V)
0
0.5
1.0
1.5
2.0
2.5
700
2.500
600
500
2.499
2.40
2.35
-50
-25
0
25
50
75
100
125
TEMPERATURE (擄C)
TRIM VOLTAGE (V)
2.498
0
200
400
600
800
1000
TIME (hours)
400
LONG-TERM STABILITY vs. TIME
(V
OUT
= 10.0V)
MAX6173 toc22
OUTPUT-VOLTAGE NOISE DENSITY
vs. FREQUENCY (V
OUT
= 2.5V)
MAX6173 toc23
OUTPUT-VOLTAGE NOISE DENSITY
vs. FREQUENCY (V
OUT
= 10V)
OUTPUT VOLTAGE-NOISE DENSITY (nV/鈭欻z)
MAX6173 toc24
TWO TYPICAL PARTS
10.001
V
OUT
(V)
OUTPUT VOLTAGE-NOISE DENSITY (nV/鈭欻z)
10.002
1000
10,000
10.000
1000
9.999
9.998
0
200
400
600
800
1000
TIME (hours)
100
0.1
1
10
100
FREQUENCY (Hz)
1000
100
0.1
1
10
100
FREQUENCY (Hz)
1000
0.1Hz TO 10Hz OUTPUT NOISE
(V
OUT
= 2.5V)
MAX6173 toc25
0.1Hz TO 10Hz OUTPUT NOISE
(V
OUT
= 10V)
MAX6173 toc26
1碌V/div
4碌V/div
1s/div
1s/div
_______________________________________________________________________________________
9