Diodes LM4041 - Manual (Page 3)

LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES
LM4041
Document number: DS32020 Rev. 8 - 2
3 of 7
www.diodes.com
September 2011
© Diodes Incorporated
Electrical Characteristics
LM4041-1.2
Electrical characteristics over recommended operating conditions, T
A
= 25 °C, unless otherwise stated, I
RMIN R
<12mA, V
REF OUT
<10V.
LM4041C and LM4041D have initial tolerances of 0.5% and 1% respectively.
Symbol Parameter
Conditions
Typ
LM4041C
Limits
LM4041D
Limits
Units
T
A
V
REF
Reverse Breakdown Voltage
I
R
= 100 µA
25°C 1.225 V
Reverse Breakdown Voltage
Tolerance
25°C ±6 ±12
mV -40 to 85°C ±14 ±24
-40 to 125°C ±18.4 ±31
I
RMIN
Minimum Operating Current
25°C
45
60 65
µA -40 to 85°C 65 70
-40 to 125°C 68 73
ΔV
R
/ΔΤ
Average Reverse Breakdown
Voltage Temperature Coefficient
I
R
= 10 mA
-40 to 125°C
±20
ppm/°C I
R
= 1 mA, ±15 ±100 ±150
I
R
= 100 µA ±15
ΔV
R
/ΔΙ
R
Reverse Breakdown Change With
Current
I
RMIN
< I
R
< 1mA
25°C
0.7
1.5 2.0
mV
-40 to 85°C 2.0 2.5
-40 to 125°C 2.0 2.5
1mA < I
R
< 12 mA
25°C
2.5
6.0 8.0
-40 to 85°C 8.0 10.0
-40 to 125°C 8.0 10.0
Z
R
Dynamic Output Impedance I
R
= 1mA, f = 120Hz, I
AC
= 0.1I
R
0.5 1.5 2.0
Ω
e
n
Noise Voltage I
R
= 100µA 10Hz < f < 10kHz 20 µV
RMS
ΔV
R
Long Term Stability (Non
cumulative)
t = 1000Hrs I
R
= 100µA 120 ppm
LM4041-Adj
Electrical characteristics over recommended operating conditions, T
A
= 25 °C, I
RMIN
< I
R
<12 mA, V
REF OUT
<10V unless otherwise stated. The
grade D designates initial reference voltage tolerance of ±1% and is measured at an output/cathode voltage of 5V.
Symbol Parameter
Conditions
Typ
LM4041D
Limits
Units
T
A
V
REF
Reverse Breakdown Voltage
I
R
= 100 µA, V
KA
= 5V
25°C 1.233 V
Reverse Breakdown Voltage
Tolerance
25°C ±12
mV -40 to 85°C ±24
-40 to 125°C ±30
I
RMIN
Minimum Operating Current
25°C
45
65
µA -40 to 85°C 70
-40 to 125°C 73
ΔV
R
/ΔΤ
Average Reverse Breakdown
Voltage Temperature
Coefficient I
R
= 10 mA
-40 to 125°C
±20
ppm/°C I
R
= 1 mA, ±15 ±150
I
R
= 100 µA ±15
ΔV
R
/ΔV
K
Reference voltage change with
cathode voltage change
I
R
= 1mA
25°C
-1.55
-2.5
mV/V -40 to 85°C -3.0
-40 to 125°C -4.0
I
REF
Reference input current
25°C
60
150
nA -40 to 85°C 200
-40 to 125°C 200
ΔV
R
/ΔΙ
R
Reverse Breakdown Change
With Current
I
RMIN
< I
R
< 1mA
V
OUT
> 1.6V
25°C
0.7
2.0
mV
-40 to 85°C 2.5
-40 to 125°C 2.5
1mA < I
R
< 12 mA
V
OUT
> 1.6V
25°C
2
6.0
-40 to 85°C 8.0
-40 to 125°C 10.0
Z
R
Dynamic Output Impedance
I
R
= 1mA,
f = 120Hz
I
AC
= 0.1I
R
V
KA
= V
REF
0.5
Ω
V
KA
= 10V 2
e
n
Noise Voltage I
R
= 100µA 10Hz < f < 10kHz 20 µV
RMS
ΔV
R
Long Term Stability
(Non cumulative)
t = 1000Hrs I
R
= 100µA 120 ppm