
LM4050/LM4051
50ppm/°C Precision Micropower Shunt Voltage
References with Multiple Reverse Breakdown Voltages
6
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS—4.096V
(IR = 100A, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LM4050A (0.1%)
4.0919
4.0960
4.1001
LM4050B (0.2%)
4.0878
4.0960
4.1042
Reverse Breakdown Voltage
VR
TA = +25
°C
LM4050C (0.5%)
4.0755
4.0960
4.1165
V
LM4050A
±4.1
±25
LM4050B
±8.2
±29
Reverse Breakdown Voltage
Tolerance (Note 2)
VRTOL
LM4050C
±20
±41
mV
Minimum Operating Current
IRMIN
50
73
A
IR = 10mA
±30
IR = 1mA
±20
±50
Average Reverse Voltage
Temperature Coefficient
(Notes 2, 3)
VR/T
IR = 100A
±15
ppm/
°C
IRMIN
≤ IR ≤ 1mA
0.5
1.2
Reverse Breakdown Voltage
Change with Operating
Current Change
1mA
≤ IR ≤ 15mA
3.0
10.0
mV
Reverse Dynamic
Impedance (Note 3)
ZR
IR = 1mA, f = 120Hz, IAC = 0.1IR
0.5
1.0
Wideband Noise
eN
IR = 100A, 10Hz
≤ f ≤ 10kHz
64
VRMS
Reverse Breakdown Voltage
Long-Term Stability
VR
T = 1000h
120
ppm