LM4040/4041
Micrel
LM4040-2.5 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 LM4040BIM3 LM4040CIM3
Symbol
Parameter
Conditions
Typical
(Note 4)
2.500
±2.5
±
19
45
60
65
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
20
15
15
0.3
0.8
1.0
2.5
0.6
8.0
0.3
0.8
35
120
0.8
0.9
0.6
8.0
0.6
8.0
0.8
1.0
0.8
1.0
100
60
65
100
60
65
100
±5.0
±
21
±12
±
29
Limits
(Note 5)
Limits
(Note 5)
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
LM4040DIM3
Symbol
Parameter
Conditions
Typical
(Note 4)
2.500
±25
±
49
45
65
70
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
20
15
15
0.3
1.0
1.2
2.5
8.0
10.0
0.3
1.1
35
120
150
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
LM4040/4041
4
January 2000
MICREL [ MICREL SEMICONDUCTOR ]
