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LT1009IDR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
电压基准芯片
封装:
SOIC-8
描述:
TEXAS INSTRUMENTS LT1009IDR 电压基准, 精密, 分流 - 固定, LT1009系列, 2.5V, SOIC-8
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LT1009IDR数据手册
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FEATURES
DESCRIPTION/ORDERING INFORMATION
1
2
3
4
8
7
6
5
NC
NC
NC
ANODE
CATHODE
NC
CATHODE
ADJ
D OR PW PACKAGE
(TOP VIEW)
NC − No internal connection
ANODE
CATHODE
ADJ
LP PACKAGE
(TOP VIEW)
LT1009
2.5-V INTEGRATED REFERENCE CIRCUIT
SLVS013L – MAY 1987 – REVISED SEPTEMBER 2005
• Excellent Temperature Stability
• Initial Tolerance … 0.2% Max
• Dynamic Impedance … 0.6 Ω Max
• Wide Operating Current Range
• Directly Interchangeable With LM136
• Needs No Adjustment for Minimum
Temperature Coefficient
The LT1009 reference circuit is a precision-trimmed
2.5-V shunt regulator featuring low dynamic
impedance and a wide operating current range. The
maximum initial tolerance is ± 5 mV in the LP package
and ± 10 mV in the D package. The reference
tolerance is achieved by on-chip trimming, which
minimizes the initial voltage tolerance and the
temperature coefficient, α
VZ
.
<br/>
Although the LT1009 needs no adjustments, a third terminal (ADJ) allows the reference voltage to be adjusted
± 5% to eliminate system errors. In many applications, the LT1009 can be used as a terminal-for-terminal
replacement for the LM136-2.5, which eliminates the external trim network.
The LT1009 uses include 5-V system references, 8-bit analog-to-digital converter (ADC) and digital-to-analog
converter (DAC) references, and power-supply monitors. The device also can be used in applications such as
digital voltmeters and current-loop measurement and control systems.
The LT1009C is characterized for operation from 0 ° C to 70 ° C. The LT1009I is characterized for operation from
–40 ° C to 85 ° C.
ORDERING INFORMATION
T
A
PACKAGE
(1)
ORDERABLE PART NUMBER TOP-SIDE MARKING
Tube of 75 LT1009CD
SOIC – D 1009C
Reel of 2500 LT1009CDR
Bulk of 1000 LT1009CLP
0 ° C to 70 ° C TO-226/TO-92 – LP Ammo of 2000 LT1009CLPM LT1009C
Reel of 2000 LT1009CLPR
Tube of 150 LT1009CPW
TSSOP – PW 1009C
Reel of 2000 LT1009CPWR
Tube of 75 LT1009ID
SOIC – D 1009I
Reel of 2500 LT1009IDR
Bulk of 1000 LT1009ILP
–40 ° C to 85 ° C TO-226/TO-92 – LP Ammo of 2000 LT1009ILPM LT1009I
Reel of 2000 LT1009ILPR
Tube of 150 LT1009IPW
TSSOP – PW 1009I
Reel of 2000 LT1009IPWR
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at
www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 1987–2005, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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