LM4051_05 Datasheet, PDF (4/14 Pages) National Semiconductor (TI) – Precision Micropower Shunt Voltage Reference

LM4051-ADJ (Adjustable)
Electrical Characteristics
Boldface limits apply for T_A = T_J = T_MIN to T_MAX; all other limits T_J = 25˚C unless otherwise specified (SOT-23, see (Note 7)
, I_RMIN ≤ I_R ≤ 12 mA, V_REF ≤ V_OUT ≤ 10V. The grades A, B and C designate initial Reference Voltage Tolerances of ±0.1%,
±0.2% and ±0.5%, respectively for V_OUT = 5V.
Symbol
Parameter
Conditions
Typical LM4051AIM3 LM4051BIM3 LM4051CIM3
(Note 4) LM4051AEM3 LM4051BEM3 LM4051CEM3
(Limits)
(Limits)
(Limits)
(Note 5)
(Note 5)
(Note 5)
Units
(Limit)
V_REF
Reference Voltage
Reference Voltage Tolerance
(Note 6), (Note 8)
I_R = 100 µA, V_OUT = 5V
I_R = 100 µA, V_OUT = 5V
Industrial Temp. Range
1.212
±1.2
±5.2
±2.4
±6.4
±6
±10.1
V
mV (max)
mV (max)
Extended Temp. Range
±7.4
±8.6
±12.2
mV (max)
I_RMIN
Minimum Operating Current
36
µA
60
60
65
µA (max)
Industrial Temp. Range
65
65
70
µA (max)
Extended Temp. Range
70
70
75
µA (max)
∆V_REF/∆I_R Reference Voltage Change
with Operating Current
Change
I_RMIN ≤ I_R ≤ 1mA
V_OUT ≥ 1.6V
(Note 7)
0.3
mV
1.1
1.1
1.1
mV(max)
1.5
1.5
1.5
mV(max)
1 mA ≤ I_R ≤ 12 mA
0.6
mV
V_OUT ≥ 1.6V(Note 7)
6
6
6
mV (max)
8
8
8
mV (max)
∆V_REF/∆V_O Reference Voltage
Changewith Output Voltage
Change
I_R = 0.1 mA
−1.69
−2.8
−3.5
−2.8
−3.5
mV/V
−2.8
mV/V (max)
−3.5
mV/V (max)
I_FB
Feedback Current
70
nA
130
130
130
nA (max)
150
150
150
nA (max)
∆V_REF/∆T Average Reference Voltage V_OUT = 2.5V
Temperature Coefficient
(Note 8)
I_R = 10mA
20
ppm/˚C
I_R = 1mA
15
ppm/˚C
I_R =100µA
15
±50
±50
±50
ppm/˚C (max)
∆T = −40˚C to +125˚C
Z_OUT
Dynamic Output Impedance
I_R = 1 mA,
f = 120 Hz,
I_AC = 0.1 I_R
V_OUT = V_REF
0.3
V_OUT = 10V
2
e_N
Wideband Noise
I_R = 100 µA
20
V_OUT = V_REF
10 Hz ≤ f ≤ 10 kHz
Ω
Ω
µV_rms
Reference Voltage
t = 1000 hrs,
120
ppm
∆V_REF
Long Term Stability
(Note 9)
I_R
T
=
=
100 µA
25˚C ±0.1˚C
V_HYST
Thermal Hysteresis
(Note 10)
∆T = −40˚C to +125˚C
0.3
mV/V
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