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参数资料
| 型号： | LM385S8-2.5#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8 |
| 封装： | 0.150 INCH, PLASTIC, SO-8 |
| 文件页数： | 1/8页 |
| 文件大小： | 145K |
| 代理商： | LM385S8-2.5#PBF |
1
LM185-2.5/
LM285-2.5/LM385-2.5
APPLICATIO S
U
DESCRIPTIO
U
FEATURES
TYPICAL APPLICATIO
U
Micropower Voltage
Reference
s
Portable Meter References
s
Portable Test Instruments
s
Battery-Operated Systems
s
Panel Meters
s
Current Loop Instrumentation
s
20
A to 20mA Operating Range
s
Guaranteed 1% Initial Voltage Tolerance
s
Guaranteed 1
Dynamic Impedance
s
Very Low Power Consumption
The LM185-2.5 is a two-terminal band gap reference
diode that has been designed for applications which
require precision performance with micropower opera-
tion. The device provides guaranteed operation specifica-
tions at currents as low as 20
A. The nominal voltage is
2.5V with both 1% and 2% tolerances available. Some
additional features are: maximum dynamic impedance of
1
, low noise and excellent stability over time and tem-
perature. The advanced design, processing and testing
techniques make Linear’s LM185-2.5 a superior choice
over previous designs. A circuit for cold junction compen-
sation of a thermocouple is shown below.
For applications requiring guaranteed temperature drift,
see the LT1034 data sheet.
REVERSE CURRENT (mA)
0
OUTPUT
VOLTAGE
CHANGE
(mV)
4
8
12
16
0.01
1
10
100
LM185-2.5 TA02
–4
0.1
–55
°C ≤ TA ≤ +125°C
Reverse Voltage Change
Thermocouple Cold Junction Compensator
RSET
2k
450
VIN
10k ADJUST
FOR 12.17mV
AT 25
°C
ACROSS 450
V–
16k
950
LM385-2.5
100k W.W.
ZERO
1M
2 MERCURY
CELLS 2.6V
METER
+
–
TYPE K
LM185-2.5 TA01
IQ ≈ 50A
LM334
, LTC and LT are registered trademarks of Linear Technology Corporation.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM385SM-1.2 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| LM385Y-1.2 | 制造商:TI 制造商全称:Texas Instruments 功能描述:MICROPOWER VOLTAGE REFERENCES |
| LM385Z | 功能描述:基准电压& 基准电流 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 |
| LM385Z | 制造商:Texas Instruments 功能描述:IC ADJUSTABLE REFERENCE |
| LM385Z/LFT3 | 功能描述:基准电压& 基准电流 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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