Micrel, Inc.
LM4040/LM4041
LM4040-4.1 Electrical Characteristics(5) (Continued)
TA = Operating Temperature Range, bold values indicate TA = TJ = –40°C to +85°C, unless noted.
Symbol Parameter
Condition
Min.
LM4040D
Reverse Breakdown Voltage
VR
Reverse Breakdown Voltage
IR = 100µA
Tolerance(6)
Typ.
4.096
50
IRMIN
Minimum Operating Current
Average Reverse Breakdown
IR = 10mA
±30
ΔVR/ΔT Voltage Temperature
IR = 1mA
±20
Coefficient
IR = 100µA
±20
0.5
Reverse Breakdown Voltage
IRMIN ≤ IR ≤1mA
ΔVR/ΔIR Change with Operating Current
Change
1mA ≤ IR ≤ 15mA
3.0
ZR
Reverse Dynamic Impedance IR = 1mA, f = 120Hz, IAC = 0.1IR
0.5
eN
Wideband Noise
IR = 100µA, 10Hz ≤ f ≤ 10kHz
80
ΔVR
Reverse Breakdown Voltage
Long Term Stability
t = 1000hrs., T = 25°C ±0.1°C, IR = 100µA
120
Max.
±41
±81
73
78
±150
1.2
1.5
9.0
13.0
1.3
Units
V
mV
mV
µA
µA
ppm/°C
ppm/°C
ppm/°C
mV
mV
mV
mV
Ω
µVRMS
ppm
LM4040-5.0 Electrical Characteristics(5)
TA = Operating Temperature Range, bold values indicate TA = TJ = –40°C to +85°C, unless noted.
Symbol Parameter
Condition
Min.
LM4040C
Reverse Breakdown Voltage
VR
Reverse Breakdown Voltage
IR = 100µA
Tolerance(6)
Typ.
5.000
54
IRMIN
Minimum Operating Current
Average Reverse Breakdown
IR = 10mA
±30
ΔVR/ΔT Voltage Temperature
IR = 1mA
±20
Coefficient
IR = 100µA
±20
0.5
Reverse Breakdown Voltage
IRMIN ≤ IR ≤1mA
ΔVR/ΔIR Change with Operating Current
Change
1mA ≤ IR ≤ 15mA
3.5
ZR
Reverse Dynamic Impedance IR = 1mA, f = 120Hz, IAC = 0.1IR
0.5
eN
Wideband Noise
IR = 100µA, 10Hz ≤ f ≤ 10kHz
80
ΔVR
Reverse Breakdown Voltage
Long Term Stability
t = 1000hrs., T = 25°C ±0.1°C, IR = 100µA
120
Max.
±25
±58
74
80
±100
1.0
1.4
8.0
12.0
1.1
Units
V
mV
mV
µA
µA
ppm/°C
ppm/°C
ppm/°C
mV
mV
mV
mV
Ω
µVRMS
ppm
June 24, 2014
5
Revision 3.0