LM4040/4041
Micrel
LM4040-4.1 Electrical Characteristics
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
; all other limits T
A
= T
J
= 25°C. The grades A, B, C, and D designate initial Reverse
Breakdown Voltage tolerance of
±0.1%, ±0.2%, ±0.5%,
and
±
1.0% respectively.
LM4040AIM3
Symbol
Parameter
Conditions
Typical
(Note 4)
4.096
±4.1
±
31
50
68
73
Average Reverse Breakdown
Voltage Temperature
Coefficient
Reverse Breakdown Voltage
Change with Operating
Current Change
I
R
= 10mA
I
R
= 1mA
I
R
= 100µA
I
RMIN
≤
I
R
1mA
30
20
20
0.5
0.9
1.2
3.5
7.0
10.0
0.5
1.0
80
120
1.0
7.0
10.0
0.9
1.2
100
68
73
100
±8.2
±
35
Limits
(Note 5)
LM4040BIM3
Limits
(Note 5)
Units
(Limit)
V
mV (max)
mV (max)
µA
µA
(max)
µA
(max)
ppm/°C
ppm/°C (max)
ppm/°C (max)
mV
mV (max)
mV (max)
mV
mV (max)
mV (max)
Ω
Ω
(max)
µV
RMS
ppm
V
R
Reverse Breakdown Voltage
Reverse Breakdown Voltage
Tolerance
I
R
= 100µA
I
R
= 100µA
I
RMIN
Minimum Operating Current
∆V
R
/∆T
∆V
R
/∆I
R
1mA
≤
I
R
15mA
Z
R
e
N
∆V
R
Reverse Dynamic Impedance
Wideband Noise
Reverse Breakdown Voltage
Long Term Stability
I
R
= 1mA, f = 120Hz
I
AC
= 0.1 I
R
I
R
= 100µA
10Hz
≤
f
≤
10kHz
t = 1000hrs
T = 25°C
±0.1°C
I
R
= 100µA
LM4040CIM3
Symbol
Parameter
Conditions
Typical
(Note 4)
4.096
±20
±
47
50
68
73
Average Reverse Breakdown
Voltage Temperature
Coefficient
Reverse Breakdown Voltage
Change with Operating
Current Change
I
R
= 10mA
I
R
= 1mA
I
R
= 100µA
I
RMIN
≤
I
R
1mA
30
20
20
0.5
0.9
1.2
3.0
7.0
10.0
0.5
1.0
80
120
100
Limits
(Note 5)
LM4040DIM3
Limits
(Note 5)
±41
±
81
73
78
150
Units
(Limits)
V
mV (max)
mV (max)
µA
µA
(max)
µA
(max)
ppm/°C
ppm/°C (max)
ppm/°C (max)
mV
mV (max)
mV (max)
mV
mV (max)
mV (max)
Ω
Ω
(max)
µV
RMS
ppm
V
R
Reverse Breakdown Voltage
Reverse Breakdown Voltage
Tolerance
I
R
= 100µA
I
R
= 100µA
I
RMIN
Minimum Operating Current
∆V
R
/∆T
∆V
R
/∆I
R
1.2
1.5
9.0
13.0
1.3
1mA
≤
I
R
15mA
Z
R
e
N
∆V
R
Reverse Dynamic Impedance
Wideband Noise
Reverse Breakdown Voltage
Long Term Stability
I
R
= 1mA, f = 120Hz
I
AC
= 0.1 I
R
I
R
= 100µA
10Hz
≤
f
≤
10kHz
t = 1000hrs
T = 25°C
±0.1°C
I
R
= 100µA
January 2000
5
LM4040/4041
MICREL [ MICREL SEMICONDUCTOR ]
