TS3431 STMicroelectronics, TS3431 Datasheet - Page 4
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TS3431
Manufacturer Part Number
TS3431
Description
1.24V PROGRAMMABLE SHUNT VOLTAGE REFERENCE
Manufacturer
STMicroelectronics
Datasheet
1.TS3431.pdf
(10 pages)
Specifications of TS3431
Adjustable Output Voltage
1.24 to 24V
Sink Current Capability
0.4 to 100mA
Industrial Temperature Range
-40˚C to +125˚C
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Quantity
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Electrical characteristics
4/10
Figure 2.
Figure 4.
Figure 6.
1.250
1.245
1.240
1.235
1.230
1.5
1.0
0.5
0.0
1.00
0.75
0.50
0.25
0.00
0.0
-40
-40
Reference voltage vs. temperature
Cathode voltage vs cathode current Figure 5.
Reference input current vs
temperature
T=-40°C
T=+25°C
0.1
0
0
Cathode current I
Temperature (°C)
Temperature (°C)
T=+125°C
0.2
40
40
K
(mA)
I
V
K
K
= 10mA
= V
0.3
80
80
REF
120
120
0.4
Figure 3.
Figure 7.
Input
0.5
0.4
0.3
0.2
0.1
0.0
0.5
0.4
0.3
0.2
0.1
0.0
10
-40
Vref
Test circuit for V
Minimum operating current vs
temperature
Dynamic impedance vs frequency
0
100
Frequency (Hz)
Temperature (°C)
40
Ik
K
V
T=+25°C
K
= Vref
1000
= V
REF
80
V
Vka
K
= V
REF
TS3431
Output
10000
120