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TL4051x12Q Electrical Characteristics
DV
Z
DI
Z
TL4051
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLOS487 – JUNE 2007
full range T
A
= –40 ° C to 125 ° C (unless otherwise noted)
TL4051A12Q TL4051B12Q TL4051C12Q
PARAMETER TEST CONDITIONS T
A
UNIT
MIN TYP MAX MIN TYP MAX MIN TYP MAX
Reverse
V
Z
breakdown I
Z
= 100 µ A 25 ° C 1.225 1.225 1.225 V
voltage
25 ° C –1.2 1.2 –2.4 2.4 –6 6
Reverse
breakdown I
Z
= 100 µ A mV
Full
–7.4 7.4 –8.6 8.6 –12.2 12.2
voltage tolerance
range
25 ° C 39 60 39 60 39 60
Minimum
I
Z,min
µ A
Full
cathode current
65 65 65
range
I
Z
= 10 mA 25 ° C ± 20 ± 20 ± 20
Average
temperature
I
Z
= 1 mA 25 ° C ± 15 ± 15 ± 15
coefficient of
α
VZ
ppm/ ° C
25 ° C ± 15 ± 15 ± 15
reverse
breakdown
I
Z
= 100 µ A
Full
± 50 ± 50 ± 50
voltage
range
25 ° C 0.3 1.1 0.3 1.1 0.3 1.1
I
Z,min
< I
Z
< 1 mA
Reverse
Full
1.5 1.5 1.5
breakdown
range
voltage change mV
25 ° C 1.8 6 1.8 6 1.8 6
with cathode
current change
1 mA < I
Z
< 12 mA
Full
8 8 8
range
Reverse I
Z
= 1 mA,
Z
Z
dynamic f = 120 Hz, 25 ° C 0.5 0.5 0.5 Ω
impedance I
AC
= 0.1 I
Z
I
Z
= 100 µ A,
e
N
Wideband noise 25 ° C 20 20 20 µ V
RMS
10 Hz ≤ f ≤ 10 kHz
Long-term
stability of t = 1000 h,
reverse T
A
= 25 ° C ± 0.1 ° C, 25 ° C 120 120 120 ppm
breakdown I
Z
= 100 µ A
voltage
Thermal
V
HYST
∆ T
A
= –40 ° C to 125 ° C 0.36 0.36 0.36 mV/V
hysteresis
(1)
(1) Thermal hysteresis is defined as V
Z,25 ° C
(after cycling to –40 ° C) – V
Z,25 ° C
(after cycling to 125 ° C).
6
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