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UZRT040GA1

型号：

UZRT040GA1

品牌：

DIODES[ DIODES INCORPORATED ]

页数：

5 页

PDF大小：

166 K

下载PDF手册
ZRT040  
4.01V LOW POWER PRECISION REFERENCE SOURCE  
DESCRIPTION  
The ZRT040 is a m onolithic integrated circuit providing  
a precise stable reference voltage of 4.01V at 500µA.  
The circuit features a knee current of 150µA and  
operation over a wide range of tem peratures and  
currents.  
The ZRT040 is available in a SOT223 package for  
surface m ount applications. This device offers a trim  
facility whereby the output voltage can be adjusted as  
s h o w n in Fig .1 . Th is fa c ilit y is u s e d w h e n  
co m p e n s a tin g fo r s ys te m e rro rs o r s e ttin g th e  
reference output to a particular value. When the trim  
facility is not used, the pin should be left open circuit.  
SOT223  
FEATURES  
• Trim m able output  
• Excellent tem perature stability  
• Low output noise figure  
• Available in three tem perature ranges  
• 1 and 2% initial voltage tolerance versions  
available  
• No external stabilising capacitor required in  
m ost cases  
• Low slope resistance  
SOT223  
Package suffix G  
• SOT223 sm all outline packages  
Top view (pin 4 floating or  
connected to pin 2)  
ORDERING INFORMATION  
DEVICE  
TOL% OPERATING  
TEMP.  
PACKAGE  
PARTMARK  
ZRT040GC2  
ZRT040GC1  
ZRT040GA1  
2
1
1
-40 to 85°C  
-40 to 85°C  
-55 to 125°C  
SOT223  
SOT223  
SOT223  
ZRT040C2  
ZRT040C1  
ZRT040A1  
A grade  
C grade  
-55°C to 125°C  
-40°C to 85°C  
ISSUE 4 - DECEMBER 2003  
S E M IC O N D U C T O R S  
1
ZRT040  
ABSOLUTE MAXIMUM RATINGS  
PARAMETER  
S YMBOL  
LIMIT  
UNIT  
(1)  
Re ve rs e cu rre n t  
75  
m A  
Op e ra tin g te m p e ra tu re :  
A g ra d e  
T
OMP  
S TG  
-55 to 125  
-40 to 85  
-55 to 150  
°C  
°C  
°C  
C g ra d e  
S to ra g e te m p e ra tu re  
T
(1) Above 25°C this figure should be linearly derated to 15m A at 125°C  
POWER DISSIPATION (at T  
= 25°C unless otherwise stated)  
am b  
PACKAGE  
VALUE  
UNIT  
S OT223  
2
W
TEMPERATURE DEPENDENT ELECTRICAL CHARACTERISTICS  
S YMBOL PARAMETER  
INITIAL  
VOLTAGE  
TOLERANCE %  
GRADE A  
GRADE C  
TYP MAX  
UNIT  
m V  
TYP MAX  
Ou tp u t vo lta g e ch a n g e o ve r  
re le va n t te m p e ra tu re  
ra n g e (S e e n o te (a ))  
1 & 2  
1 & 2  
11.0  
15.0  
36,0  
50.0  
7.5  
24.0  
∆V  
R
T V  
Ou tp u t vo lta g e te m p e ra tu re  
co e fficie n t (S e e n o te (b ))  
15.0  
50.0  
ppm /°C  
C
R
ELECTRICAL CHARACTERISTICS (at T  
= 25°C unless otherwise stated)  
am b  
S YMBOL  
PARAMETER  
CONDITIONS  
MIN.  
TYP. MAX.  
UNIT  
V
Ou tp u t vo lta g e  
R
1% to le ra n ce (A1,C1)  
I =500␮A  
3.97  
3.93  
4.01  
4.01  
Ϯ5  
4.05  
4.09  
V
R
2% to le ra n ce (C2)  
V
%
⌬V  
Ou tp u t vo lta g e a d ju s tm e n t ra n g e  
R =100k⍀  
T
TRIM  
T ⌬V  
Ch a n g e in T V w ith o u tp u t a d ju s tm e n t  
2.5  
ppm /°C/%  
m A  
C
TRIM  
C R  
I
Op e ra tin g cu rre n t ra n g e  
0.15  
75  
R
t
t
Tu rn -o n tim e  
Tu rn -o ff tim e  
40  
0.3  
␮s  
o n  
R =1k⍀  
L
o ff  
e
Ou tp u t vo lta g e n o is e (o ve r th e ra n g e 0.1 Pe a k to p e a k  
50  
␮V  
n p -p  
to 10Hz)  
m e a s u re m e n t  
R
S lo p e re s is ta n ce  
I = 0.5m A to  
R
1.1  
3.0  
⍀
S
5m A  
(S e e n o te (c))  
ISSUE 4 - DECEMBER 2003  
S E M IC O N D U C T O R S  
2
ZRT040  
TYPICAL CHARACTERISTICS  
NOTES:  
(a) Output change w ith tem perature  
(d) Slope resistance (RS)  
Th e a b s o lu te m a xim u m d iffe re n ce b e tw e e n th e  
m axim um output voltage and the m inim um output  
voltage over the specified tem perature range:  
The slope resistance is defined as:  
changeinVR  
RS =  
specificcurrentrange  
⌬V =V  
-V  
(b) Output tem perature coefficient (T V )  
R
m ax m in  
⌬I=5-0.5=4.5m A (typically)  
C
R
(e) Line regulation  
The ratio of the output change with tem perature to the  
specified tem perature range expressed in ppm /°C:  
The ratio of change in output voltage to the change in  
input voltage producing it:  
∆VR x10 6  
TCVR  
=
ppm °C  
RS x100  
% / V  
VR x∆T  
⌬T= Full tem perature range  
VR xRSOURCE  
(c) Operating current (I )  
R
Maxim um operating current m ust be derated as  
indicated in m axim um ratings.  
ISSUE 4 - DECEMBER 2003  
S E M IC O N D U C T O R S  
3
ZRT040  
SCHEMATIC DIAGRAM  
Figure 1:  
This circuit will allow the reference to be trim m ed over  
a wide range. The device is specified over a Ϯ5% trim  
range.  
ISSUE 4 - DECEMBER 2003  
S E M IC O N D U C T O R S  
4
ZRT040  
PACKAGE OUTLINE  
Controlling dim ensions are in m illim eters. Approxim ate conversions are given in inches  
PACKAGE DIMENSIONS  
Millim eters  
Inches  
Millim eters  
Min Max  
2.30 BSC  
4.60 BSC  
Inches  
Min Max  
DIM  
DIM  
Min  
–
Max  
Min  
Max  
0.071  
0.004  
0.033  
0.122  
0.013  
0.264  
A
A1  
b
1.80  
0.10  
0.84  
3.10  
0.33  
6.70  
–
e
0.0905 BSC  
0.181 BSC  
0.02  
0.66  
2.90  
0.23  
6.30  
0.0008  
0.026  
0.114  
0.009  
0.248  
e1  
E
6.70  
7.30  
3.70  
–
0.264  
0.287  
b2  
C
E1  
L
3.30  
0.90  
–
0.130  
0.0355  
–
0.146  
–
–
D
–
© Zetex plc 2003  
Europe  
Am ericas  
Asia Pacific  
Zetex plc  
Zetex Gm bH  
Zetex Inc  
Zetex (Asia) Ltd  
Fields New Road  
Chadderton  
Streitfeldstraß e 19  
D-81673 München  
700 Veterans Mem orial Hwy  
Hauppauge, NY 11788  
3701-04 Metroplaza Tower 1  
Hing Fong Road  
Oldham , OL9 8NP  
United Kingdom  
Kwai Fong  
Hong Kong  
Germ any  
USA  
Telephone (44) 161 622 4444  
Fax: (44) 161 622 4446  
hq@zetex.com  
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  
Th e s e o ffice s a re s u p p o rte d b y a g e n ts a n d d is trib u to rs in m a jo r co u n trie s w o rld -w id e .  
This publication is issued to provide outline inform ation only which (unless agreed by the Com pany in writing) m ay 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. The Com pany  
reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service.  
For the latest product inform ation, log on to w w w .zetex.com  
ISSUE 4 - DECEMBER 2003  
S E M IC O N D U C T O R S  
5
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