TS3431 Datasheet, PDF (3/11 Pages) STMicroelectronics – 1.24V Programmable Shunt Voltage Reference

Electrical Characteristics
TS3431
2 Electrical Characteristics
Table 3. Tamb = 25°C (unless otherwise specified)
Symbol
Parameter
Test Condition
Reference input voltage I_K = 10mA
V_K
TS3431 (2%)
TS3431A (1%)
TS3431B (0.5%)
TS3431C (0.25%)
Variation of reference input voltage over 0°C < T < +70°C
∆V_K ^temperature
-40°C < T < +105°C
-40°C < T < +125°C
T_C Temperature coefficient
-40°C < T < +125°C
Minimum Operating Current
I_KMIN
T = 25°C
-40°C < T < +125°C
∆_-∆----VV_----rk_--e_--a--f
Ratio of change in reference input volt- I_K=10mA
age to change in cathode to anode volt- _{VK= 24 to 1.24V}
age
-40°C < T < +125°C
Reference input current
I_{REF IK=10mA, R1=10KΩ, R2=+ ∞}
T=25°C
-40°C < T < +125°C
Reference input current deviation
∆I_{REF IK=10mA, R1=10KΩ, R2=+}
0°C < T < +70°C
-40°C < T < +125°C
Off-state cathode current V_K=24V
I_OFF
T=25°C
-40°C < T < +105°C
-40°C < T < +125°C
R_KA Reverse Static Impedance
I_K = 1 to 100mA
E_N ^{Wideband Noise}
I_K = 10mA
1kHz < f < 100kHz
Min.
1.215
1.228
1.234
1.237
Typ.
1.24
0.35
1.2
0.9
0.5
0.9
35
0.2
100
Max.
1.265
1.252
1.246
1.243
10
18
21
100
0.4
0.5
1.5
2
1.5
2
1
1.5
500
1000
2000
0.4
Unit
V
mV
ppm/°C
mA
mV/V
µA
µA
nA
Ω
nV/√Hz
Note: Limits are 100% production tested at 25°C. Limits over temperature are guaranteed through correlation and by design.
3/11