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參數資料
| 型號： | LM385Y-2-5 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, UUC |
| 封裝： | DIE |
| 文件頁數： | 1/12頁 |
| 文件大小： | 204K |
| 代理商： | LM385Y-2-5 |
LM285-2.5, LM385-2.5, LM385B-2.5
MICROPOWER VOLTAGE REFERENCES
SLVS023E – JANUARY 1989 – REVISED JULY 1999
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D Operating Current Range ...20 A to
20 mA
D 1.5% and 3% Initial Voltage Tolerance
D Reference Impedance
– LM385 ...1
Max at 25°C
– All Devices . . . 1.5
Max Over Full
Temperature Range
D Very Low Power Consumption
D Applications:
– Portable Meter References
– Portable Test Instruments
– Battery-Operated Systems
– Current-Loop Instrumentation
– Panel Meters
D Designed to be Interchangeable With
National LM285-2.5 and LM385-2.5
description
These micropower two-terminal band-gap voltage references operate over a 20-
A to 20-mA current range and
feature exceptionally low dynamic impedance and good temperature stability. On-chip trimming provides tight
voltage tolerance. The band-gap reference for these devices has low noise and long-term stability.
The design makes these devices exceptionally tolerant of capacitive loading and thus, easier to use in most
reference applications. The wide dynamic operating temperature range accommodates varying current
supplies with excellent regulation.
The extremely low power drain of this series makes them useful for micropower circuitry. These voltage
references can make portable meters, regulators, or general-purpose analog circuitry with battery life
approaching shelf life. The wide operating current range allows them to replace older references with
tighter-tolerance parts.
The LM285-2.5 is characterized for operation from –40
°C to 85°C. The LM385-2.5 and LM385B-2.5 are
characterized for operation from 0
°C to 70°C.
AVAILABLE OPTIONS
VZ
PACKAGED DEVICES
CHIP FORM
TA
VZ
TOLERANCE
SMALL OUTLINE
(D)
PLASTIC
(LP)
CHIP FORM
(Y)
0
°Cto70°C
3%
LM385D-2.5
LM385LP-2.5
0
°C to 70°C
1.5%
LM385BD-2.5
LM385BLP-2.5
LM385Y-2.5
–40
°C to 85°C
1.5%
LM285D-2.5
LM285LP-2.5
The D package is available taped and reeled. Add the suffix R to the device type (e.g., LM385DR-2-5). Chip
forms are tested at 25
°C.
For ordering purposes, the decimal point in the part number must be replaced with a hyphen (i.e., show
the -2.5 suffix as “-2-5”).
Copyright
1999, 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.
1
2
3
4
8
7
6
5
NC
ANODE
CATHODE
NC
D PACKAGE
(TOP VIEW)
LP PACKAGE
(TOP VIEW)
NC–No internal connection
NC
CATHODE
ANODE
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM385Z | 功能描述:基準電壓& 基準電流 RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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 |
| LM385Z | 制造商:Texas Instruments 功能描述:IC ADJUSTABLE REFERENCE |
| LM385Z/LFT3 | 功能描述:基準電壓& 基準電流 RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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 |
| LM385Z/NOPB | 功能描述:基準電壓& 基準電流 RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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 |
| LM385Z/T3 | 功能描述:基準電壓& 基準電流 RoHS:否 制造商:STMicroelectronics 產品:Voltage References 拓撲結構:Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度:0.25 % 平均溫度系數（典型值）:100 PPM / C 串聯 VREF - 輸入電壓（最大值）: 串聯 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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