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参数资料
| 型号： | LM285H-2.5/NOPB |
| 厂商： | NATIONAL SEMICONDUCTOR 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, MBCY2 |
| 封装： | HERMETIC SEALED, METAL CAN, TO-46, 2 PIN |
| 文件页数： | 13/19页 |
| 文件大小： | 488K |
| 代理商： | LM285H-2.5/NOPB |
Absolute Maximum Ratings (Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Reverse Current
30 mA
Forward Current
10 mA
Operating Temperature
Range (Note 3)
LM185-2.5
55°C to + 125°C
LM285-2.5
40°C to + 85°C
LM385-2.5
0°C to 70°C
ESD Susceptibility (Note 9)
2kV
Storage Temperature
55°C to + 150°C
Soldering Information
TO-92 Package (10 sec.)
260°C
TO-46 Package (10 sec.)
300°C
SO and SOT Package
Vapor Phase (60 sec.)
215°C
Infrared (15 sec.)
220°C
See AN-450 “Surface Mounting Methods and Their Effect on
Product Reliability” for other methods of soldering surface
mount devices.
Electrical Characteristics
(Note 4)
Parameter
Conditions
Typ
LM385A-2.5
Units
(Limits)
LM385AX-2.5
LM385AY-2.5
Tested
Design
Limit
(Note 5)
(Note 6)
Reverse Breakdown
I
R = 100 μA
2.500
2.480
V(Min)
Voltage
2.520
V(Max)
2.500
2.470
V(Min)
2.530
V(Max)
Minimum Operating
12
18
20
μA
Current
(Max)
Reverse Breakdown
I
MIN ≤ IR ≤ 1mA
1
1.5
mV
Voltage Change with
(Max)
Current
1 mA
≤ I
R ≤ 20 mA
10
20
mV
(Max)
Reverse Dynamic
I
R = 100 μA,
0.2
0.6
Ω
Impedance
f = 20 Hz
1.5
Wideband Noise (rms)
I
R = 100 μA
120
μV
10 Hz
≤ f ≤ 10 kHz
Long Term Stability
I
R = 100 μA,
T = 1000 Hr,
20
ppm
T
A = 25°C ±0.1°C
Average Temperature
I
MIN ≤ IR ≤ 20 mA
Coefficient (Note 7)
X Suffix
30
ppm/°C
Y Suffix
50
(Max)
All Others
150
3
www.national.com
LM185-2.5/LM285-2.5/LM385-2.5
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| LM285LP-1-2 | 制造商:Texas Instruments 功能描述:IC VOLT REF 2.5V PRECISION |
| LM285LP-2-5 | 功能描述:基准电压& 基准电流 2.5V Micro Pwr 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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| LM285LPE3-1-2 | 功能描述:基准电压& 基准电流 Micropower Voltage Reference 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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