AMS431L
TYPICAL PERFORMANCE CHARACTERISTICS
Cathode Current vs. Cathode Voltage
300
T
A
=25° C
Cathode Current vs. Cathode Voltage
150
T
A
=25° C
Reference Voltage vs.
Junction Temperature
1.248
REFERENCE VOLTAGE (V)
I
Z
= 100mA
200
100
0
-100
-200
-300
-1
V
R
= V
REF
CATHODE CURRENT (mA)
CATHODE CURRENT (µA)
100
50
0
-50
-100
V
R
= V
REF
1.246
1.244
1.242
1.240
1.238
1.236
I
R
= 60µA
-0.5
0.5
1
0
CATHODE VOLTAGE (V)
Reference Input Current vs.
Junction Temperature
1.5
-150
-1.5
-1
0
0.5
1
-0.5
CATHODE VOLTAGE (V)
1.5
1.234
-50 -25 0 25 50 75 100 125 150
JUNCTION TEMPERATURE (° C)
Off State Cathode Current vs.
Junction Temperature
250
V
REF
= 0V
REFERENCE INPUT CURRENT (nA)
150
I
Z
= 10mA
R
1
= 10kΩ
R
2
=
∞
125
100
75
50
-50 -25 0 25 50 75 100 125 150
JUNCTION TEMPERATURE (° C)
Ratio of Delta Reference Voltage to Delta
Cathode Voltage vs. Junction Temperature
1.2
1.1
I
Z
= 10mA
∆V
Z
= 16V to V
REF
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
-50 -25 0 25 50 75 100 125 150
JUNCTION TEMPERATURE (° C)
CATHODE CURRENT(OFF STATE) (nA)
200
150
100
50
0
V
R
= 16V
∆V
REF
/∆V
Z
(-mV/V)
V
Z
= 6V
-50 -25 0 25 50 75 100 125 150
JUNCTION TEMPERATURE (° C)
Reference Impedance vs.
Junction Temperature
0.50
REFERENCE IMPEDANCE (Ω)
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0
-50 -25 0 25 50 75 100 125 150
JUNCTION TEMPERATURE (° C)
REFERENCE IMPEDANCE (Ω)
I
Z
= 0.1 to 100mA
V
Z
= V
REF
f< 1kHz
Reference Impedance vs. Frequency
100
T
A
=25° C
10
1
0.1
0.01
1
100
1000
10
FREQUENCY (kHz)
100000
4
Advanced Monolithic Systems http://www.ams-semitech.com
AMS [ Advanced Monolithic Systems Ltd ]
