TL4050_16 Datasheet, PDF (7/32 Pages) Texas Instruments – PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

TL4050
www.ti.com........................................................................................................................................................ SLOS486A – JUNE 2007 – REVISED AUGUST 2009
TL4050x25Q ELECTRICAL CHARACTERISTICS
at extended temperature range, full range T_A = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T_A
TL4050A25Q
MIN TYP MAX
TL4050B25Q
MIN TYP MAX
Reverse
V_Z
breakdown
I_Z = 100 µA
25°C
2.5
2.5
voltage
Reverse
25°C
–2.5
2.5
–5
5
ΔV_Z breakdown
I_Z = 100 µA
voltage tolerance
Full
range
–15
15
–18
18
I_Z,min
Minimum
cathode current
25°C
Full
range
41
60
65
41
60
65
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
±20
±15
±15
±50
±20
±15
±15
±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
0.3
0.8
1.2
2.3
6
8
0.3
0.8
1.2
2.3
6
8
Z_Z
Reverse dynamic
impedance
I_Z = 1 mA,
f = 120 Hz,
I_AC = 0.1 I_Z
25°C
0.3
0.3
e_N
Wideband noise
I_Z = 100 µA,
10 Hz ≤ f ≤ 10 kHz
25°C
41
41
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
0.7
0.7
(1) Thermal hysteresis is defined as V_Z,25°C (after cycling to –40°C) – V_Z,25°C (after cycling to 125°C).
TL4050C25Q
UNIT
MIN TYP MAX
2.5
V
–13
13
mV
–25
25
41
60
µA
65
±20
±15
±15
ppm/°C
±50
0.3
0.8
1.2
mV
2.3
6
8
0.3
Ω
41
µV_RMS
120
ppm
0.7
mV
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