LM4041 View Datasheet(PDF) - Diodes Incorporated.
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LM4041 Datasheet PDF : 7 Pages
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LM4041
PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES
Electrical Characteristics
LM4041-1.2
Electrical characteristics over recommended operating conditions, TA = 25°C, unless otherwise stated, IRMIN <IR<12mA, VREF<VOUT<10V.
LM4041C and LM4041D have initial tolerances of 0.5% and 1% respectively.
Symbol
Parameter
Reverse Breakdown Voltage
Conditions
TA
25°C
Typ
1.225
LM4041C LM4041D
Limits
Limits
Units
V
VREF
Reverse Breakdown Voltage
Tolerance
IR = 100 µA
25°C
-40 to 85°C
-40 to 125°C
±6
±12
±14
±24
mV
±18.4
±31
25°C
45
60
65
IRMIN
Minimum Operating Current
-40 to 85°C
-40 to 125°C
65
70
µA
68
73
ΔVR/ΔΤ
Average Reverse Breakdown
Voltage Temperature Coefficient
IR = 10 mA
IR = 1 mA,
IR = 100 µA
-40 to 125°C
25°C
±20
±15
±100
±150
ppm/°C
±15
0.7
1.5
2.0
ΔVR/ΔΙR
Reverse Breakdown Change
With Current
IRMIN < IR < 1mA
-40 to 85°C
-40 to 125°C
25°C
2.0
2.5
2.0
2.5
6.0
2.5
8.0
mV
1mA < IR < 12 mA
-40 to 85°C
-40 to 125°C
8.0
10.0
8.0
10.0
ZR
Dynamic Output Impedance
en
Noise Voltage
ΔVR
Long Term Stability (Non
cumulative)
IR = 1mA, f = 120Hz
IAC = 0.1IR
IR = 100µA 10Hz < f < 10kHz
t = 1000Hrs IR = 100µA
0.5
1.5
20
120
2.0
Ω
µVRMS
ppm
LM4041-Adj
Electrical characteristics over recommended operating conditions, TA = 25°C, IRMIN <IR <12 mA, VREF <VOUT <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
Reverse Breakdown Voltage
Conditions
TA
25°C
Typ
1.233
LM4041D Limits
Units
V
VREF
Reverse Breakdown Voltage
Tolerance
IR = 100 µA,
VKA = 5V
25°C
-40 to 85°C
-40 to 125°C
±12
±24
mV
±30
25°C
45
65
IRMIN
Minimum Operating Current
-40 to 85°C
-40 to 125°C
70
µA
73
ΔVR/ΔΤ
Average Reverse Breakdown
Voltage Temperature Coefficient
IR = 10 mA
IR = 1 mA,
IR = 100 µA
ΔVR/ΔVK
Reference voltage change with
cathode voltage change
IR = 1mA
-40 to 125°C
25°C
-40 to 85°C
-40 to 125°C
±20
±15
±15
-1.55
±150
-2.5
-3.0
-4.0
ppm/°C
mV/V
25°C
60
150
IREF
Reference input current
-40 to 85°C
-40 to 125°C
200
nA
200
25°C
0.7
2.0
ΔVR/ΔΙR
Reverse Breakdown Change
With Current
IRMIN < IR < 1mA
VOUT > 1.6V
1mA < IR < 12 mA
VOUT > 1.6V
-40 to 85°C
-40 to 125°C
25°C
-40 to 85°C
-40 to 125°C
2
2.5
2.5
6.0
mV
8.0
10.0
IR = 1mA,
VKA = VREF
0.5
ZR
Dynamic Output Impedance
f = 120Hz
IAC = 0.1IR
VKA = 10V
2
en
Noise Voltage
IR = 100µA 10Hz < f < 10kHz
20
ΔVR
Long Term Stability
(Non cumulative)
t = 1000Hrs
IR = 100µA
120
Ω
µVRMS
ppm
LM4041
Document number: DS32020 Rev. 7 - 2
3 of 7
www.diodes.com
December 2010
© Diodes Incorporated
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