TS4040_07 Datasheet, PDF (3/9 Pages) STMicroelectronics – 2.5V micropower shunt voltage reference

TS4040
2
Electrical characteristics
Electrical characteristics
Table 3. TS4040E (2% precision) T_amb = 25°C ⁽¹⁾ (unless otherwise specified)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
Reverse breakdown voltage
I_k = 100μA
V_k
Reverse breakdown voltage tolerance
I_k = 100μA
-40°C < T_amb < +85°C
2.45 2.5 2.55
V
-50
-74
50
74
mV
I_k-min Minimum operating current
T = 25°C
-40°C < T_amb < +85°C
40
65
70
μA
ΔV_ref/ΔT Average temperature coefficient
I_k = 100μA
30 150 ppm/°C
ΔV_k/ΔI_k
Reverse breakdown voltage change
with operating current range
I_k-min < I_k < 1mA
-40°C < T_amb < +85°C
1mA < I_k < 15mA
-40°C < T_amb < +85°C
0.4 1
1.2
mV
2.5 8
10
R_ka Reverse static impedance
I_k = I_k-min to 1mA
-40°C < T_amb < +85°C
I_k = 1 to 15mA
-40°C < T_amb < +85°C
0.4 1
1.2
Ω
0.2 0.6
0.7
K_vh Long term stability
I_k = 100μA, t = 1000hrs
120
ppm
En Wide band noise
I_k = 100μA 10Hz < f < 10kHz
35
nV/√Hz
1. Limits are 100% production tested at 25°C. Behavior at the temperature range limits is guaranteed through correlation and
by design.
Table 4. TS4040D (1% precision) T_amb = 25°C ⁽¹⁾ (unless otherwise specified)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
Reverse breakdown voltage
I_k = 100μA
V_k
Reverse breakdown voltage tolerance
I_k = 100μA
-40°C < T_amb < +85°C
2.475 2.5 2.525 V
-25
-49
25
49
mV
I_k-min Minimum operating current
T = 25°C
-40°C < T_amb < +85°C
40
65
70
μA
ΔV_ref/ΔT Average temperature coefficient
I_k = 100μA
30 150 ppm/°C
ΔV_k/ΔI_k
Reverse breakdown voltage change
with operating current range
I_k-min < I_k < 1mA
-40°C < T_amb < +85°C
1mA < I_k < 15mA
-40°C < T_amb < +85°C
0.4
1
1.2
mV
2.5 8
10
R_ka Reverse static impedance
I_k = I_k-min to 1mA
-40°C < T_amb < +85°C
I_k = 1mA to 15mA
-40°C < T_amb < +85°C
0.4 1
1.2
Ω
0.2 0.6
0.7
K_vh Long term stability
I_k = 100μA, t = 1000hrs
120
ppm
En Wide band noise
I_k = 100μA 10Hz < f < 10kHz
35
nV/√Hz
1. Limits are 100% production tested at 25°C. Behavior at the temperature range limits is guaranteed through correlation and
by design.
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