TL431 / TL431A / TL431B
TM
®
Precision programmable References
P
RODUCTION
D
ATA
S
HEET
TYPICAL CHARACTERISTICS
WWW .
Microsemi
.C
OM
6
5
(V
N
) Input Noise Voltage - (µV)
4
3
2
1
0
-1
-2
-3
-4
-5
-6
0
2
4
Figure 11 –
Equivalent Input Noise Voltage over a 10 – Second Period
19.1V
1k
O
B
R
500µF
910
2000 µF
EC
S
OM
OL
ME
ET
ND
E
ED
(t) Time - (s)
V
CC
TL431/A
& TL431B (DUT)
820
16
TLE2027
A
V
= 10V/mV
F
O
O
R
DU
N
E
C
W
T
D
E
68
1µF
16k
P
R
SI
GN
S
10
V
CC
TLE2027
2.2µF
f = 0.1 to 10Hz
I
K
= 10mA
T
A
= 25 °C
T
16k
A
PPLICATIONS
A
PPLICATIONS
N
O
1µF
160K
33k
A
V
= 2V/V
33k
V
EE
1M
CRO
0.1µF
V
EE
Test Circuit for 0.1Hz to 10Hz Equivalent Input Noise Voltage
Copyright
©
1999
Rev. 1.4, 2006-09-26
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 8
MICROSEMI [ MICROSEMI CORPORATION ]
