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| 型号： | TLE2425CDR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封装： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件页数： | 1/24页 |
| 文件大小： | 613K |
| 代理商： | TLE2425CDR |
TLE2425
PRECISION VIRTUAL GROUND
SLOS065D MARCH 1991 REVISED APRIL 2002
1
WWW.TI.COM
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
D 2.5-V Virtual Ground for 5-V/GND Analog
Systems
D High Output-Current Capability
Sink or Source . . . 20 mA Typ
D Micropower Operation . . . 170 A Typ
D Excellent Regulation Characteristics
Output Regulation
45
V Typ at IO = 0 to 10 mA
+15
V Typ at IO = 0 to +10 mA
Input Regulation = 1.5
V/V Typ
D Low-Impedance Output . . . 0.0075 Typ
D Macromodel Included
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-perfor-
mance 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.
AVAILABLE OPTIONS
TA
SMALL OUTLINE
(D)
PLASTIC
TO-226AA
(LP)
0
°C to 70°C
TLE2425CD
40
°C to 85°C
TLE2425ID
55
°C to 125°C
TLE2425MD
—
The D package is available taped and reeled. Add R suffix to
the device type (e.g., TLE2425CDR).
Copyright
2002, Texas Instruments Incorporated
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.
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.
V)
Output
V
oltage
Change
V
80
20
0
20
60
40
60
80
100
10
8
2
0
2
6
4
6
8
10
100
OUTPUT REGULATION
IO Output Current mA
VI = 5 V
TA = 55°C
TA = 25°C
TA = 125°C
V
O
TA = 40°C
TA = 125°C
TA = 55°C
TA = 0°C
TA = 25°C
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TLE2425CDRG4 | 功能描述:基准电压& 基准电流 2.5V Precision Grnd RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| TLE2425CLP | 功能描述:基准电压& 基准电流 2.5V Precision Grnd RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
| TLE2425CLP | 制造商:Texas Instruments 功能描述:Virtual Ground IC |
| TLE2425CLP | 制造商:Texas Instruments 功能描述:GROUND REFERENCE 2.5V |
| TLE2425CLPE3 | 功能描述:基准电压& 基准电流 2.5V Precision Grnd RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel |
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