TL431 / TL431A / TL431B
TM
®
Precision programmable References
P
RODUCTION
D
ATA
S
HEET
TYPICAL CHARACTERISTICS
70
60
50
40
30
20
10
0
-10
1k
10k
100k
1M
WWW .
Microsemi
.C
OM
(A
Y
) Voltage Amplification - (dB)
I
K
= 10mA
T
A
= 25 °C
Output
SI
GN
S
I
K
15k
9µF
230
F
O
O
R
DU
N
E
C
W
T
D
E
8.25k
P
R
GND
10M
Test Circuit for Voltage Amplification
(f) Fre quency - (Hz)
Figure 12 –
Reference Impedance vs. Frequency
100
(Iz
KA
I) Reference Impedance
I
K
= 1mA to 100mA
T
A
= 25 °C
EC
S
OM
OL
ME
ET
ND
E
ED
Output
1k
10
I
K
50
1
T
O
B
R
0.1
1k
10k
N
O
GND
1M
10M
100k
C
HARTS
C
HARTS
Test Circuit for Reference Impedance
(f) Frequency - (Hz)
Figure 13 –
Reference Impedance vs. Frequency
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 9
MICROSEMI [ MICROSEMI CORPORATION ]
