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参数资料
| 型号： | LM385BYM-2.5X |
| 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, PDSO8 |
| 封装： | SOP-8 |
| 文件页数： | 14/19页 |
| 文件大小： | 488K |
| 代理商： | LM385BYM-2.5X |
Electrical Characteristics
LM185-2.5
LM185BX-2.5
LM385B-2.5
LM185BY-2.5
LM385BX-2.5
LM385-2.5
Units
LM285-2.5
LM385BY-2.5
(Limit)
Parameter
Conditions
Typ
LM285BX-2.5
LM285BY-2.5
Tested
Design
Tested
Design
Tested
Design
Limit
(Notes 5, 8)
(Note 6)
(Note 5)
(Note 6)
Reverse
Breakdown
T
A = 25°C,
2.5
2.462
2.425
V(Min)
Voltage
20 μA
≤ I
R ≤ 20 mA
2.538
2.575
V(Max)
Minimum Operating
Current
13
20
30
20
30
20
30
μA
(Max)
LM385M3-2.5
15
20
Reverse
Breakdown Voltage
Change with
Current
20 μA
≤ I
R ≤ 1 mA
1
1.5
2.0
2.5
2.0
2.5
mV
(Max)
1 mA
≤ I
R ≤ 20 mA
10
20
20
25
20
25
mV
(Max)
Reverse Dynamic
I
R = 100 μA,
1
Ω
Impedance
f = 20 Hz
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
R = 100 μA
Coefficient (Note 7) X Suffix
30
ppm/°C
Y Suffix
50
ppm/°C
All Others
150
ppm/°C
(Max)
Note 1:
Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is
intended to be functional, but do not guarantee specific performance limits. For guaranteed specifications and test conditions, see the Electrical Characteristics.
The guaranteed specifications apply only for the test conditions listed.
Note 2:
Refer to RETS185H-2.5 for military specifications.
Note 3:
For elevated temperature operation, T
J MAX is:
LM185
150°C
LM285
125°C
LM385
100°C
Thermal Resistance
TO-92
TO-46
SO-8
SOT-23
θ
ja (Junction to Ambient)
180°C/W (0.4″ Leads)
440°C/W
165°C/W
283°C/W
170°C/W (0.125″ Leads)
θ
jc (Junction to Case)
N/A
80°C/W
N/A
Note 4:
Parameters identified with boldface type apply at temperature extremes. All other numbers apply at T
A = TJ = 25°C.
Note 5:
Guaranteed and 100% production tested.
Note 6:
Guaranteed, but not 100% production tested. These limits are not used to calculate average outgoing quality levels.
Note 7:
The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures between the operating
T
MAX and TMIN, divided by TMAX–TMIN. The measured temperatures are 55°C, 40°C, 0°C, 25°C, 70°C, 85°C, 125°C.
Note 8:
A military RETS electrical specification available on request.
Note 9:
The human body model is a 100 pF capacitor discharged through a 1.5 k
resistor into each pin.
www.national.com
4
LM185-2.5/LM285-2.5/LM385-2.5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LM385BYMX-1.2 | 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 |
| LM385BYMX-1.2 NOPB | 制造商:National Semiconductor 功能描述:V-Ref Precision 1.235V 20mA 8-Pin SOIC N T/R |
| LM385BYMX-1.2/NOPB | 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 |
| LM385BYMX-2.5 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Voltage Reference |
| LM385BYMX-2.5/NOPB | 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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