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| 型號： | TLE2425Y |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Precision Virtual Grounds(用于5V單電源模擬器件,產(chǎn)生中值電壓作為虛地) |
| 中文描述： | 精密虛擬游樂場（用于5V的單電源模擬器件，產(chǎn)生中值電壓作為虛地） |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 252K |
| 代理商： | TLE2425Y |
TLE2425, TLE2425Y
PRECISION VIRTUAL GROUNDS
SLOS065B – MARCH 1991 – REVISED AUGUST 1995
Excellent Regulation Characteristics
– Output Regulation
–45
μ
V Typ at I
O
= 0 to –10 mA
+15
μ
V Typ at I
O
= 0 to +10 mA
– Input Regulation = 1.5
μ
V/V Typ
Low-Impedance Output . . . 0.0075
Typ
Macromodel Included
Copyright
1995, Texas Instruments Incorporated
8–1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
2.5-V Virtual Ground for 5-V/GND Analog
Systems
Self-Contained in Small-Outline,
Dual-In-Line or 3-Terminal TO-226AA
Packages
High Output-Current Capability
Sink or Source . . . 20 mA Typ
Micropower Operation . . . 170
μ
A Typ,
description
In signal-conditioning applications using a single
power source, a reference voltage is required for
termination of all signal grounds. To accomplish
this, engineers have typically used solutions
consisting of resistors, capacitors, operational
amplifiers, and voltage references. Texas Instru-
ments has eliminated all of those components with
one easy-to-use 3-terminal device. That device is
the TLE2425 precision virtual ground.
Use of the TLE2425 over other typical circuit
solutions gives the designer increased dynamic
signal range, improved signal-to-noise ratio, lower
distortion, improved signal accuracy, and easier
interfacing to ADCs and DACs. These benefits are
the result of combining a precision micropower
voltage reference and a high-performance
precision operational amplifier in a single silicon
chip. It is the precision and performance of these
two circuit functions together that yield such dramatic system-level performance.
The TLE2425 improves input regulation as well as output regulation and, in addition, reduces output impedance
and power dissipation in a majority of virtual-ground-generation circuits. Both input regulation and load
regulation exceed 12 bits of accuracy on a single 5-V system. Signal-conditioning front ends of data acquisition
systems that push 12 bits and beyond can use the TLE2425 to eliminate a major source of system error.
The TLE2425C is characterized for operation from 0
°
C to 70
°
C. The TLE2425I is characterized for operation
from –40
°
C to 85
°
C. The TLE2425M is characterized for operation over the full military temperature range of
–55
°
C to 125
°
C.
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
CHIP FORM
(Y)
SMALL OUTLINE
(D)
CERAMIC DIP
(JG)
PLASTIC
TO-226AA
(LP)
TLE2425CD
TLE2425ID
TLE2425MD
0
°
C to 70
°
C
–40
°
C to 85
°
C
–55
°
C to 125
°
C
The D and LP packages are available taped and reeled in the commercial temperature range only. Add
R suffix to the device type (e.g., TLE2425CDR). The chip form is tested at 25
°
C.
TLE2425CD
TLE2425ID
TLE2425MD
—
—
TLE2425Y
—
—
TLE2425MD
μ
V
V
80
–20
0
20
60
40
–40
–60
–80
–100
10
8
–2
0
2
6
4
–4
–6
–8
–10
100
OUTPUT REGULATION
IO – Output Current – mA
VI = 5 V
TA = –55
°
C
TA = 25
°
C
TA = 125
°
C
TA = –40
°
C
TA = 125
°
C
TA = 25
°
C
TA = –55
°
C
TA = 0
°
C
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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| TLE2426CD | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Rail Virtual Ground RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| TLE2426CD | 制造商:Texas Instruments 功能描述:IC's |
| TLE2426CDG4 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Rail Virtual Ground RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| TLE2426CDR | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 The Rail Splitter Prec Virtual Ground RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
| TLE2426CDRG4 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 The Rail Splitter RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel |
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