TL4051_10 Datasheet, PDF (8/25 Pages) Texas Instruments – PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

TL4051
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE
SLOS487 – JUNE 2007
TL4051xQ (Adjustable Version) Electrical Characteristics
full range T_A = –40°C to 125°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
T_A
TL4051AQ
MIN TYP MAX
TL4051BQ
MIN TYP
V_REF
Reference
voltage
Reference
voltage
tolerance ⁽¹⁾
I_Z = 100 µA,
V_Z = 5 V
I_Z = 100 µA,
V_Z = 5 V
25°C
25°C
Full
range
1.212
–1.2
–7.4
1.212
1.2 –2.4
7.4 –8.6
I_Z,min
Minimum
cathode current
25°C
Full
range
36
60
36
70
DV_REF
DI_Z
Reference
voltage change
with cathode
current change
I_Z,min < I_Z < 1 mA
1 mA < I_Z < 12 mA
25°C
Full
range
25°C
Full
range
0.3
1.1
0.3
1.5
0.6
6
0.6
8
DV_REF
DV_KA
Reference
voltage change
with output
voltage change
I_Z = 1 mA
25°C
Full
range
–1.69 –2.8
–3.5
–1.69
I_FB
Feedback
current
25°C
Full
range
70
130
70
150
αV_REF
Average
temperature
coefficient of
reference
voltage ⁽¹⁾
I_Z = 10 mA,
V_Z = 2.5 V
I_Z = 1 mA,
V_Z = 2.5 V
I_Z = 100 µA,
V_Z = 2.5 V
25°C
25°C
25°C
Full
range
±20
±20
±15
±15
±15
±15
±50
I_Z = 1 mA,
Reverse
Z_Z
dynamic
impedance
f = 120 Hz,
I_AC = 0.1 I_Z,
V_Z = V_REF
I_Z = 1 mA,
25°C
0.3
0.3
f = 120 Hz,
I_AC = 0.1 I_Z,
25°C
2
2
V_Z = 10 V
I_Z = 100 µA,
e_N
Wideband noise V_Z = V_REF,
25°C
20
20
10 Hz ≤ f ≤ 10 kHz
Long-term
stability of
t = 1000 h,
reverse
T_A = 25°C ± 0.1°C,
25°C
120
120
breakdown
I_Z = 100 µA
voltage
V_HYST
Thermal
hysteresis ⁽²⁾
∆T_A = –40°C to 125°C
0.3
0.3
MAX
2.4
8.6
60
70
1.1
1.5
6
8
–2.8
–3.5
130
150
±50
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TL4051CQ
UNIT
MIN TYP MAX
1.212
V
–6
–12.2
6
mV
12.2
36
65
µA
75
0.3
1.1
1.5
mV
0.6
6
8
–1.69
–2.8
mV/V
–3.5
70
130
nA
150
±20
±15
ppm/°C
±15
±50
0.3
Ω
2
20
µV_RMS
120
ppm
0.3
mV/V
(1) Reference voltage tolerance and average temperature coefficient change with output voltage (V_Z). See Typical Characteristics.
(2) Thermal hysteresis is defined as V_Z,25°C (after cycling to –40°C) – V_Z,25°C (after cycling to 125°C).
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