TL4050 Datasheet, PDF (9/35 Pages) Texas Instruments – PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

TL4050
www.ti.com........................................................................................................................................................ SLOS486A – JUNE 2007 – REVISED AUGUST 2009
TL4050x41Q ELECTRICAL CHARACTERISTICS
at extended temperature range, full range T_A = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T_A
TL4050A41Q
MIN TYP MAX
TL4050B41Q
MIN TYP MAX
Reverse
V_Z
breakdown
voltage
I_Z = 100 µA
25°C
4.096
4.096
Reverse
ΔV_Z breakdown
I_Z = 100 µA
voltage tolerance
25°C
–4.1
4.1 –8.2
8.2
Full
range
–25
25
–29
29
I_Z,min
Minimum
cathode current
25°C
Full
range
52
68
78
52
68
78
Average
temperature
α_VZ
coefficient of
reverse
breakdown
voltage
I_Z = 10 mA
I_Z = 1 mA
I_Z = 100 µA
25°C
25°C
25°C
Full
range
±30
±20
±20
±50
±30
±20
±20
±50
DV_Z
DI_Z
Reverse
breakdown
voltage change
with cathode
current change
I_Z,min < I_Z < 1 mA
1 mA < I_Z < 15 mA
25°C
Full
range
25°C
Full
range
0.2
0.9
1.2
2
7
10
0.2
0.9
1.2
2
7
10
Z_Z
Reverse dynamic
impedance
I_Z = 1 mA,
f = 120 Hz,
I_AC = 0.1 I_Z
25°C
0.5
0.5
e_N
Wideband noise
I_Z = 100 µA,
10 Hz ≤ f ≤ 10 kHz
25°C
93
93
Long-term
stability of
reverse
breakdown
voltage
t = 1000 h,
T_A = 25°C ± 0.1°C,
I_Z = 100 µA
120
120
V_HYST
Thermal
hysteresis ⁽¹⁾
ΔT_A = –40°C to 125°C
1.148
1.148
(1) Thermal hysteresis is defined as V_Z,25°C (after cycling to –40°C) – V_Z,25°C (after cycling to 125°C).
TL4050C41Q
UNIT
MIN TYP MAX
4.096
V
–21
21
mV
–41
41
52
68
µA
78
±30
±20
±20
ppm/°C
±50
0.2
0.9
1.2
mV
2
7
10
0.5
Ω
93
µV_RMS
120
ppm
1.148
mV
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