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參數(shù)資料
| 型號： | LM334DT |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | MICRO, PLASTIC, SO-8 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 1037K |
| 代理商： | LM334DT |
1/11
s OPERATES FROM 1V TO 40V
s 0.02%/V CURRENT REGULATION
s PROGRAMMABLE FROM 1A TO 10mA
s ±3% INITIAL ACCURACY
DESCRIPTION
The LM134/LM234/LM334 are 3-terminal adjust-
able current sources characterized by:
u an operating current range of 10000: 1
u an excellent current regulation
u a wide dynamic voltage range of 1V t 10V
The current is determined by an external resistor
without requiring other external components.
Reverse voltages of up to 20V will only draw a cur-
rent of several microamperes. This enables the
circuit to operate as a rectifier and as a source of
current in a.c. applications.
For the LM134/LM234/LM334, the voltage on the
control pin is 64mV at +25°C and is directly pro-
portional to the absolute temperature (°K). The
simplest external resistor connection generates a
current with
≈ 0.33%/°C temperature dependence.
Zero drift can be obtained by adding an additional
resistor and a diode to the external circuit.
ORDER CODE
Z = TO92 Plastic package - also available in Bulk (Z), Tape & Reel (ZT)
and Ammo Pack (AP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
PIN CONNECTIONS (top view)
Part Number
Temperature
Range
Package
ZD
LM134
-55°C, +125°C
LM234
-25°C, +100°C
LM334
0°C, +70°C
Z
TO92
(Plastic Package)
D
SO8
(Plastic Micropackage)
ADJ
v+
v-
21
3
8765
1234
NC
V-
NC
ADJ
NC
V+
TO92
(Top view)
SO8
(Top view)
LM134
LM234 - LM334
THREE TERMINAL ADJUSTABLE CURRENT SOURCES
May 2003
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM134ZT | SPECIALTY ANALOG CIRCUIT, PBCY3 |
| LM234ZT | SPECIALTY ANALOG CIRCUIT, PBCY3 |
| LM234DT | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| LM234Z-AP | SPECIALTY ANALOG CIRCUIT, PBCY3 |
| LM334ZT | SPECIALTY ANALOG CIRCUIT, PBCY3 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM334H | 制造商:Linear Technology 功能描述:Constant Current Source and Temperature Sensor 3-Pin TO-46 |
| LM334H | 制造商:Texas Instruments 功能描述:IC CURRENT SOURCE TO-46-3 334 |
| LM334H/NOPB | 功能描述:IC CURRENT SOURCE ADJ TO46-3 RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)流/電流管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 功能:電流開關(guān) 檢測方法:- 精確度:±10% 輸入電壓:1.7 V ~ 5.5 V 電流 - 輸出:600mA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:10-UFQFN 供應(yīng)商設(shè)備封裝:10-UTQFN（1.4x1.8） 包裝:管件 |
| LM334M | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 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 |
| LM334M | 制造商:Texas Instruments 功能描述:IC CURRENT SOURCE SMD SOIC8 334 |
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