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PDF LM4040Q Data sheet ( Hoja de datos )
| Número de pieza | LM4040Q | |
| Descripción | AUTOMOTIVE GRADE PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES | |
| Fabricantes | Diodes | |
| Logotipo |  |
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LM4040Q
AUTOMOTIVE GRADE PRECISION MICROPOWER SHUNT VOLTAGE REFERENCES
Description
The LM4040Q is a family of bandgap circuits designed to achieve
precision micro-power voltage references of 2.5V, 3.0V and 5.0V. The
devices are available in 0.2% B-grade, 0.5% C-grade and 1%
D-grade initial tolerances.
They are available in small outline SOT23 surface mount package
which is ideal for applications where space is at a premium. Excellent
performance is maintained over the 60µA to 15mA operating current
range with a typical temperature coefficient of only 20ppm/°C. The
device has been designed to be highly tolerant of capacitive loads
therefore maintaining excellent stability.
This device offers a pin for pin compatible alternative to the industry
standard LM4040 voltage reference for automotive applications.
The LM4040Q has been qualified to AEC-Q100 Grade 1 and is
Automotive Grade supporting PPAPs
Features
Small packages: SOT23
No output capacitor required
Output voltage tolerance
LM4040BQ ±0.2% at +25°C
LM4040CQ ±0.5% at +25°C
LM4040DQ ±1% at +25°C
Low output noise
10Hz to 10kHz... 45µVRMS
Wide operating current range 60µA to 15mA
Extended temperature range -40°C to +125°C
Low temperature coefficient 100 ppm/°C (max)
Green Molding in SOT23
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Automotive Grade
Qualified to AEC-Q100 Standards for High Reliability
PPAP Capable (Note 4)
Pin Assignments
LM4040 F (SOT23)
Cathode 3
1*
Anode 2
Top view
* Pin 1 must be left floating or connected to pin 2
Applications
Automotive reference voltage
Data acquisition systems
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free,
"Green" and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl)
and <1000ppm antimony compounds.
4. Automotive products are AEC-Q100 qualified and are PPAP capable. Automotive, AEC-Q100 and standard products are electrically and thermally
the same, except where specified. For more information, please refer to http://www.diodes.com/quality/product_compliance_definitions/.
LM4040Q
Document number: DS36989 Rev. 1 - 2
1 of 11
www.diodes.com
October 2015
© Diodes Incorporated
1 page  
Typical Characteristics LM4040Q-2.5
1.00
0.75
0.50
0.25
0.00
IR = 100µA
-0.25
-0.50
-0.75
-1.00
-40
0 40 80
TEMPERATURE (°C)
Reference Voltage
Temperature Coefficient
120
TA = 25°C
IR = 100µA
CL = 1.0µF
Tantalum
CL = 0
LM4040Q
1.00
0.75
0.50
0.25
0.00
IR = 1mA
-0.25
-0.50
-0.75
-1.00
-40
0 40 80
TEMPERATURE (°C)
Reference Voltage
Temperature Coefficient
120
100
TA = 25°C
IR = 1mA
10
CL = 1.0µF
Tantalum
CL = 0
1
0.1
100 1k 10k 100k
FREQUENCY (Hz)
Reference Impedance vs. Frequency
500
480 TA = 25°C
460 IR = 100µA
440
420
400
380
360
340
320
300
-1
01
2
FREQUENCY (Hz)
Noise Voltage vs. Frequency
1M
3
0.01
100
1k 10k 100k 1M
FREQUENCY (Hz)
Reference Impedance vs. Frequency
500
400 TA = 25°C
300
200
100
0
-100
-200
-300
-1
012
VR, REVERSE VOLTAGE (V)
Reference Current vs. Voltage
3
LM4040Q
Document number: DS36989 Rev. 1 - 2
5 of 11
www.diodes.com
October 2015
© Diodes Incorporated
5 Page 
LM4040Q
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes
Incorporated website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales
channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify
and hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly
or indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and
markings noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the
express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems,
and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products
and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-
related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and
its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or
systems.
Copyright © 2015, Diodes Incorporated
www.diodes.com
LM4040Q
Document number: DS36989 Rev. 1 - 2
11 of 11
www.diodes.com
October 2015
© Diodes Incorporated
11 Page | ||
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