Datasheet

(I
R
= 100µA, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Reverse Breakdown Voltage V
R
T
A
= +25°C
LM4050A (0.1%) 2.0460 2.0480 2.0500
VLM4050B (0.2%) 2.0439 2.0480 2.0521
LM4050C (0.5%) 2.0378 2.0480 2.0582
Reverse Breakdown Voltage
Tolerance (Note 2)
V
RTOL
LM4050A ±2.0 ±12
mVLM4050B ±4.0 ±14
LM4050C ±10 ±20
Minimum Operating Current I
RMIN
45 65 µA
Average Reverse Voltage
Temperature Coefcient
(Notes 2, 3)
DV
R
/DT
I
R
= 10mA ±20
ppm/°CI
R
= 1mA ±15 ±50
I
R
= 100µA ±15
Reverse Breakdown Voltage
Change with Operating
Current Change
I
RMIN
≤ I
R
≤ 1mA 0.3 1.0
mV
1mA ≤ I
R
≤ 15mA 2.5 8.0
Reverse Dynamic
Impedance (Note 3)
Z
R
I
R
= 1mA, f = 120Hz,
I
AC
= 0.1I
R
LM4050A/B 0.3 0.8
Ω
LM4050C 0.3 0.9
Wideband Noise e
N
I
R
= 100µA, 10Hz ≤ f ≤ 10kHz 28 µV
RMS
Reverse Breakdown Voltage
Long-Term Stability
DV
R
T = 1000h 120 ppm
LM4050/LM4051 50ppm/°C Precision Micropower Shunt Voltage
References with Multiple Reverse Breakdown Voltages
www.maximintegrated.com
Maxim Integrated │ 3
Electrical Characteristics —2.048V