LM4041CFTA [ZETEX]
1.225V Precision micropower shunt voltage reference; 1.225V精密微功耗并联电压基准
| 型号： | LM4041CFTA |
| 厂家： | 
ZETEX SEMICONDUCTORS |
| 描述： | 1.225V Precision micropower shunt voltage reference |
| 文件： | 总6页 (文件大小：107K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
LM4041
1.225V Precision micropower shunt voltage reference
Description
The LM4041 is a bandgap circuit designed to The device has been designed to be highly
achieve a precision micro-power voltage tolerant of capacitive loads so maintaining
reference of 1.225 V. The device is available in excellent stability.
the small outline SOT23 surface mount
This device offers a pin for pin compatible
packages which is ideal for applications
alternative to the LM4041 voltage reference.
where space saving is important.
The LM4041 is available to 0.5% C grade for
precision applications. Excellent performance
is maintained over the 60A to 12mA
operating current range with
a
typical
temperature coefficient of only 20ppm/°C.
Features
Applications
•
•
•
Small packages: SOT23
No output capacitor required
Output voltage tolerance
•
•
•
•
•
•
Battery powered equipment
Precision power supplies
Portable instrumentation
•
•
LM4041C
LM4041D
0.5% at 25°C
1% at 25°C
Portable communications devices
Notebook and palmtop computers
Data acquisition systems
•
Low output noise
(10 Hz to 10kHz) ........... 60Vrms
•
•
•
Wide operating current range 60A to 12mA
Extended temperature range -40°C to +125°C
Low temperature coefficient 100ppm/°C (max)
Pinout information
LM4041_12F (SOT23)
1
Cathode
Anode
3
*
2
Top view
* Pin 3 must be left floating or connected to pin 2
Ordering information
25°C Voltage
Order code
Pack
Part
mark
Status
Reel size
Tape
width
QuantIty
per reel
tol.
0.5%
1%
(V)
1.225
1.225
LM4041CFTA SOT23 R1C
Preview 7”, 180mm 8mm
3000
3000
LM4041DFTA SOT23 R1D Preview 7”, 180mm 8mm
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LM4041
Absolute maximum ratings
Continuous reverse current (I ) .................................... 20mA
KA
Continuous forward current (I ) .................................. 10mA
REF
Operating junction temperature ..................................... -40°C to 150°C
Storage temperature ....................................................... -55°C to 150°C
Operation above the absolute maximum rating may cause device failure. Operation at the
absolute maximum ratings, for extended periods, may reduce device reliability.
Unless otherwise stated voltages specified are relative to the ANODE pin.
Package thermal data
Package
⍜
P
DIS
JA
T
=25°C, T = 150°C
amb
J
SOT23
380°C/W
330mW
Recommended operating conditions
Min. Max. Units
Reverse current
0.06
-40
15
mA
°C
Operating ambient temperature range
125
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LM4041
Electrical characteristics
Over recommended operating conditions, T
= 25°C, unless otherwise stated. LM4041C and
amb
LM4041D have initial tolerances of 0.5% and 1% respectively.
Symbol Parameter Conditions
Typ. LM4041C LM4041D Units
Limits
Limits
T
amb
Reverse breakdown
I = 100 A
25°C
1.225
V
R
voltage
25°C
6
14
12
24
31
65
70
73
V
REF
Reverse breakdown
voltage tolerance
I = 100A
-40 to 85°C
-40 to 125°C
25°C
mV
R
18.4
60
Minimum operating
current
I
-40 to 85°C
-40 to 125°C
45
65
µA
RMIN
68
I = 10 mA -40 to 125°C
20
15
15
R
Average reverse
breakdown voltage
temperature coefficient
⌬V /⌬T
I = 1 mA,
100
150
ppm/°C
R
R
I = 100 A
R
25°C
1.5
2.0
2.0
6.0
8.0
8.0
1.5
2.0
2.5
I
< I <
R
RMIN
-40 to 85°C
-40 to 125°C
25°C
0.7
1mA
2.5
Reverse breakdown
change with current
⌬V /⌬I
mV
R
R
8.0
1mA < I <
12 mA
R
-40 to 85°C
-40 to 125°C
2.5
0.5
10.0
10.0
2.0
Z
e
Dynamic output
impedance
I = 1mA, f = 120Hz
⍀
R
R
I
= 0.1I
R
AC
Noise voltage
I = 100A
60
V
RMS
n
R
10Hz < f < 10kHz
⌬V
Long term stability (non t = 1000Hrs
cumulative) I = 100A
120
ppm
R
R
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LM4041
Package outline - SOT23
E
e
e1
b
3 leads
D
L1
E1
A
L
c
A1
Dim.
Millimeters
Min. Max.
Inches
Dim.
Millimeters
Min. Max.
1.90 NOM
Inches
Min.
-
Max.
0.044
0.004
0.020
0.008
0.120
Max.
Max.
A
A1
b
-
1.12
0.10
0.50
0.120
3.04
e1
E
0.075 NOM
0.01
0.30
0.085
2.80
0.0004
0.012
0.003
0.110
2.10
2.64
1.40
0.62
0.62
-
0.083
0.047
0.018
0.018
-
0.104
0.055
0.024
0.024
-
E1
L
1.20
0.25
0.45
-
C
D
L1
-
e
0.95 NOM
0.0375 NOM
Note: Controlling dimensions are in millimeters. Approximate dimensions are provided in inches
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LM4041
Intentionally left blank
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LM4041
Definitions
Product change
Zetex Semiconductors reserves the right to alter, without notice, specifications, design, price or conditions of supply of any product or
service. Customers are solely responsible for obtaining the latest relevant information before placing orders.
Applications disclaimer
The circuits in this design/application note are offered as design ideas. It is the responsibility of the user to ensure that the circuit is fit for
the user’s application and meets with the user’s requirements. No representation or warranty is given and no liability whatsoever is
assumed by Zetex with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights
arising from such use or otherwise. Zetex does not assume any legal responsibility or will not be held legally liable (whether in contract,
tort (including negligence), breach of statutory duty, restriction or otherwise) for any damages, loss of profit, business, contract,
opportunity or consequential loss in the use of these circuit applications, under any circumstances.
Life support
Zetex 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 Zetex Semiconductors plc. 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
labelling 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.
Reproduction
The product specifications contained in this publication are issued to provide outline information only which (unless agreed by the
company in writing) may not be used, applied or reproduced for any purpose or form part of any order or contract or be regarded as a
representation relating to the products or services concerned.
Terms and Conditions
All products are sold subjects to Zetex’ terms and conditions of sale, and this disclaimer (save in the event of a conflict between the two
when the terms of the contract shall prevail) according to region, supplied at the time of order acknowledgement.
For the latest information on technology, delivery terms and conditions and prices, please contact your nearest Zetex sales office or visit: www.zetex.com
Quality of product
Zetex is an ISO 9001 and TS16949 certified semiconductor manufacturer.
To ensure quality of service and products we strongly advise the purchase of parts directly from Zetex Semiconductors or one of our
regionally authorized distributors. For a complete listing of authorized distributors please visit: www.zetex.com/salesnetwork
Zetex Semiconductors does not warrant or accept any liability whatsoever in respect of any parts purchased through unauthorized sales channels.
ESD (Electrostatic discharge)
Semiconductor devices are susceptible to damage by ESD. Suitable precautions should be taken when handling and transporting devices.
The possible damage to devices depends on the circumstances of the handling and transporting, and the nature of the device. The extent
of damage can vary from immediate functional or parametric malfunction to degradation of function or performance in use over time.
Devices suspected of being affected should be replaced.
Green compliance
Zetex Semiconductors is committed to environmental excellence in all aspects of its operations which includes meeting or exceeding
regulatory requirements with respect to the use of hazardous substances. Numerous successful programs have been implemented to
reduce the use of hazardous substances and/or emissions.
All Zetex components are compliant with the RoHS directive, and through this it is supporting its customers in their compliance with
WEEE and ELV directives.
Product status key:
“Preview”
“Active”
Future device intended for production at some point. Samples may be available
Product status recommended for new designs
“Last time buy (LTB)”
Device will be discontinued and last time buy period and delivery is in effect
“Not recommended for new designs” Device is still in production to support existing designs and production
“Obsolete”
Production has been discontinued
Datasheet status key:
“Draft version”
This term denotes a very early datasheet version and contains highly provisional information, which
may change in any manner without notice.
“Provisional version”
“Issue”
This term denotes a pre-release datasheet. It provides a clear indication of anticipated performance.
However, changes to the test conditions and specifications may occur, at any time and without notice.
This term denotes an issued datasheet containing finalized specifications. However, changes to
specifications may occur, at any time and without notice.
Zetex sales offices
Europe
Americas
Asia Pacific
Corporate Headquarters
Zetex GmbH
Kustermann-park
Balanstraße 59
D-81541 München
Germany
Zetex Inc
Zetex (Asia Ltd)
Zetex Semiconductors plc
Zetex Technology Park, Chadderton
Oldham, OL9 9LL
700 Veterans Memorial Highway
Hauppauge, NY 11788
USA
3701-04 Metroplaza Tower 1
Hing Fong Road, Kwai Fong
Hong Kong
United Kingdom
Telefon: (49) 89 45 49 49 0
Fax: (49) 89 45 49 49 49
europe.sales@zetex.com
Telephone: (1) 631 360 2222
Fax: (1) 631 360 8222
usa.sales@zetex.com
Telephone: (852) 26100 611
Fax: (852) 24250 494
asia.sales@zetex.com
Telephone: (44) 161 622 4444
Fax: (44) 161 622 4446
hq@zetex.com
© 2006 Published by Zetex Semiconductors plc
Issue 3 - February 2007
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