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LM4041AEM3-1.2+T

P1-P3P4-P6P7-P7
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
General Description
The LM4041 is a precision two-terminal shunt mode,
bandgap voltage reference with a fixed reverse break-
down voltage of 1.225V. Ideal for space-critical appli-
cations, the LM4041 is offered in the subminiature 3-pin
SC70 surface-mount package (1.8mm
✕
1.8mm), 50%
smaller than comparable devices in SOT23 surface-
mount packages (SOT23 versions are also available).
Laser-trimmed resistors ensure precise initial accuracy.
With a 100ppm/°C temperature coefficient, the device
is offered in four grades of initial accuracy ranging from
0.1% to 1%. The LM4041 has a 60µA to 12mA shunt
current capability with low dynamic impedance, ensur-
ing stable reverse-breakdown voltage accuracy over a
wide range of operating temperatures and currents.
The LM4041 does not require an external stabilizing
capacitor while ensuring stability with any capacitive
load.
The LM4041 is guaranteed over the temperature range
-40°C to +125°C.
________________________Applications
Portable, Battery-Powered Equipment
Notebook Computers
Cell Phones
Industrial Process Controls
Features
♦ Ultra-Small 3-Pin SC70 Package
♦ 0.1% (max) Initial Accuracy
♦ 100ppm/°C (max) Temperature Coefficient
Guaranteed over -40°C to +125°C Temperature
Range
♦ Wide Operating Current Range: 60µA to 12mA
♦ Low 20µV
RMS
Output Noise (10Hz to 10kHz)
♦ 1.225V Fixed Reverse Breakdown Voltage
♦ No Output Capacitors Required
♦ Tolerates Capacitive Loads
LM4041
Improved Precision Micropower
Shunt Voltage Reference
________________________________________________________________ Maxim Integrated Products 1
-
1
3
N.C.*
+
LM4041
SC70-3/SOT23-3
TOP VIEW
2
*PIN 3 MUST BE LEFT FLOATING OR CONNECTED TO PIN 2.
PART
INITIAL
ACCURACY
(%)
OUTPUT
VOLTAGE
(V)
TEMPCO
(ppm/°C)
LM4041A___-1.2-T 0.1 1.225 100
LM4041B___-1.2-T 0.2 1.225 100
LM4041C___-1.2-T 0.5 1.225 100
LM4041D___-1.2-T 1.0 1.225 150
Pin Configuration
Selector Guide
19-1704; Rev 5; 1/09
Ordering Information
PART TEMP RANGE
PIN-
PACKAGE
TOP
MARK
LM4041AIX3-1.2+T -40°C to +85°C 3 SC70-3 ABF
LM4041AIM3-1.2+T -40°C to +85°C 3 SOT23-3 FZEB
LM4041AEX3-1.2+T -40°C to +125°C 3 SC70-3 ALB
LM4041AEM3-1.2+T -40°C to +125°C 3 SOT23-3 FZNC
LM4041BIX3-1.2+T -40°C to +85°C 3 SC70-3 ABG
LM4041BIM3-1.2+T -40°C to +85°C 3 SOT23-3 FZEC
LM4041BEX3-1.2+T -40°C to +125°C 3 SC70-3 ALC
LM4041BEM3-1.2+T -40°C to +125°C 3 SOT23-3 FZND
LM4041CIX3-1.2+T -40°C to +85°C 3 SC70-3 ABH
LM4041CIM3-1.2+T -40°C to +85°C 3 SOT23-3 FZED
LM4041CEX3-1.2+T -40°C to +125°C 3 SC70-3 ALD
LM4041CEM3-1.2+T -40°C to +125°C 3 SOT23-3 FZNE
LM4041DIX3-1.2+T -40°C to +85°C 3 SC70-3 ABI
LM4041DIM3-1.2+T -40°C to +85°C 3 SOT23-3 FZEE
LM4041DEX3-1.2+T -40°C to +125°C 3 SC70-3 ALE
LM4041DEM3-1.2+T -40°C to +125°C 3 SOT23-3 FZNF
Note: For leaded version, contact factory.
*See Selector Guide for a listing of LM4041 Output Voltage,
Initial Accuracy, and Temperature Coefficient specifications.
+Denotes a lead(Pb)-free/RoHS-compliant package.
LM4041
Improved Precision Micropower
Shunt Voltage Reference
2 _______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(I
R
= 100µA, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Reverse Current (cathode to anode) ..................................20mA
Forward Current (anode to cathode) ..................................10mA
Continuous Power Dissipation (T
A
= +70°C)
3-Pin SC70 (derate 2.17mW/°C above +70°C)............174mW
3-Pin SOT23 (derate 4.01mW/°C above +70°C)..........320mW
Operating Temperature Range
LM4041_I_ _ _..................................................-40°C to +85°C
LM4041_E_ _ _ ..............................................-40°C to +125°C
Storage Temperature Range .............................-65°C to +150°C
Junction Temperature......................................................+150°C
Lead Temperature (soldering, 10s) ................................+300° C
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LM4041A (0.1%) 1.2238 1.2250 1.2262
LM4041B (0.2%) 1.2226 1.2250 1.2275
LM4041C (0.5%) 1.2189 1.2250 1.2311
Reverse Breakdown Voltage V
R
T
A
= +25°C
LM4041D (1.0%) 1.2128 1.2250 1.2373
V
LM4041A (0.1%) ±1.2 ±9.2
LM4041B (0.2%) ±2.4 ±10.4
LM4041C (0.5%) ±6.0 ±14
Reverse Breakdown Voltage
Tolerance (Note 2)
ΔV
R
LM4041D (1.0%) ±12 ±24
mV
LM4041A/B/C 45 60
Minimum Operating Current I
RMIN
LM4041D 45 65
μA
I
R
= 10mA ±20
LM4041A/B/C ±15 ±100
I
R
= 1mA
LM4041D ±15 ±150
Average Reverse Voltage
Temperature Coefficient
(Notes 2 and 3)
ΔV
R
/ΔT
I
R
= 100μA ±15
ppm/°C
LM4041A/B/C 0.7 1.5
I
RMIN
≤ I
R
≤ 1mA
LM4041D 0.7 2.0
LM4041A/B/C 2.5 8.0
Reverse Breakdown Voltage
Change with Operating
Current Change
ΔV
R
/ΔI
R
1mA ≤ I
R
≤ 12mA
LM4041D 2.5 10.0
mV
LM4041A/B/C 0.5 1.5
Reverse Dynamic
Impedance (Note 3)
Z
R
I
R
= 1mA, f = 120Hz,
I
AC
= 0.1I
R LM4041D 0.5 2.0
Ω
LM4041
Improved Precision Micropower
Shunt Voltage Reference
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(I
R
= 100µA, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
Note 1: All devices are 100% production tested at +25°C and are guaranteed by design for T
A
= T
MIN
to T
MAX
, as specified.
Note 2: The overtemperature limit for Reverse Breakdown Voltage Tolerance is defined as the room-temperature Reverse
Breakdown Voltage Tolerance ±[(ΔV
R
/ ΔT)(maxΔT)(V
R
)], where ΔV
R
/ ΔT is the V
R
temperature coefficient, maxΔT is the
maximum difference in temperature from the reference point of +25°C to T
MIN
or T
MAX
, and V
R
is the reverse breakdown
voltage. The total overtemperature tolerance for the different grades in the temperature range where maxΔT = +65°C is
shown below:
A grade: ±0.75% = ±0.1% ±100ppm/°C
✕
65°C
B grade: ±0.85% = ±0.2% ±100ppm/°C
✕
65°C
C grade: ±1.15% = ±0.5% ±100ppm/°C
✕
65°C
D grade: ±1.98% = ±1.0% ±150ppm/°C
✕
65°C
The total overtemperature tolerance for the different grades in the extended temperature range where maxΔT = +100°C is
shown below:
A grade: ±1.1% = ±0.1% ±100ppm/°C
✕
100°C
B grade: ±1.2% = ±0.2% ±100ppm/°C
✕
100°C
C grade: ±1.5% = ±0.5% ±100ppm/°C
✕
100°C
D grade: ±2.5% = ±1.0% ±150ppm/°C
✕
100°C
Therefore, as an example, the A-grade LM4041-1.2 has an overtemperature reverse breakdown voltage tolerance of ±2.5V
x 0.75% = ±19mV.
Note 3: Guaranteed by design.
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Wideband Noise e
N
I
R
= 100μA, 10Hz ≤ f ≤ 10kHz 20 μV
RMS
Reverse Breakdown Voltage
Long-Term Stability
ΔV
R
T = 1000h, I
R
= 100μA 120 ppm
TEMPERATURE DRIFT
LM4041 toc02
TEMPERATURE (°C)
REFERENCE VOLTAGE CHANGE (mV)
1007550250-25
-2
-1
0
1
-3
-50 125
REVERSE VOLTAGE vs. CURRENT
LM4041 toc03
SOURCE CURRENT (mA)
REVERSE VOLTAGE CHANGE (mV)
15105
1
2
3
4
5
6
0
020
T
A
= +25°C
T
A
= -40°C
T
A
= +125°C
T
A
= +85°C
Typical Operating Characteristics
(I
R
= 100µA, SC70-3 package, T
A
= +25°C, unless otherwise noted.)
0
20
60
40
80
100
0 0.80.4 1.2 1.6 2.0
REVERSE CHARACTERISTICS AND
MINIMUM OPERATING CURRENT
LM4041-01
REVERSE VOLTAGE (V)
REVERSE CURRENT (µA)
P1-P3P4-P6P7-P7

LM4041AEM3-1.2+T

Mfr. #:
Buy LM4041AEM3-1.2+T
Manufacturer:
Maxim Integrated
Description:
Voltage References uPower Shunt V-Ref w/Mult Brkdwn V
Lifecycle:
New from this manufacturer.
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