Datasheet

MAX6220
Low-Noise, Precision, +2.5V/+4.096V/+5V
Voltage Reference
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
IN
= +10V, I
OUT
= 0mA, T
A
= +25°C, unless otherwise noted.)
MAX6220_41
0.1Hz TO 10Hz NOISE
V
OUT
, 1µV/div
MAX6220 toc14
1s/div
C
OUT
= C
NR
= 0µF
0
5
10
15
20
25
30
35
40
45
50
10 100 1k 10k
MAX6220_25
OUTPUT NOISE-VOLTAGE
DENSITY vs. FREQUENCY
MAX6220
toc10
FREQUENCY (Hz)
C
NR
= 0µF
C
NR
= 1µF
OUTPUT NOISE DENSITY (nV/√ Hz)
MAX6220_25
0.1Hz TO 10Hz NOISE
V
OUT
, 0.5µV/div
MAX6220 toc13
1s/div
C
OUT
= C
NR
= 0µF
0
10
20
30
40
50
60
70
80
90
10 100 1k 10k
MAX6220_41
OUTPUT NOISE-VOLTAGE
DENSITY vs. FREQUENCY
MAX6220
toc11
FREQUENCY (Hz)
C
NR
= 0µF
C
NR
= 1µF
OUTPUT NOISE DENSITY (nV/√ Hz)
0
10
20
30
40
50
60
70
80
100
90
10 100 1k 10k
MAX6220_50
OUTPUT NOISE-VOLTAGE
DENSITY vs. FREQUENCY
MAX6220
toc12
FREQUENCY (Hz)
C
NR
= 0µF
C
NR
= 1µF
OUTPUT NOISE DENSITY (nV√ Hz)
MAX6220_50
0.1Hz TO 10Hz NOISE
V
OUT
, 1µV/div
1s/div
C
OUT
= C
NR
= 0µF
MAX6220 toc15
10 1M10k
FREQUENCY (Hz)
100 1k 100k
100
0.01
OUTPUT IMPEDANCE vs. FREQUENCY
0.1
MAX6220
toc16
OUTPUT IMPEDANCE (Ω)
1
10
I
SINK
= 5mA
I
SOURCE
= 5mA
60
70
80
90
100
110
120
10 100 1k 10k
RIPPLE REJECTION
vs. FREQUENCY (C
NR
= 1µF)
MAX6220
toc17
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
MAX6220_41
MAX6220_25
MAX6220_50
60
65
70
75
80
85
90
95
10 100 1k 10k
RIPPLE REJECTION
vs. FREQUENCY (C
NR
= 0µF)
MAX6220
toc18
FREQUENCY (Hz)
RIPPLE REJECTION (dB)
MAX6220_25
MAX6220_41
MAX6220_50