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参数资料
| 型号： | LT1460JCS3-3#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 3 V, PDSO3 |
| 封装： | LEAD FREE, PLASTIC, TO-236AB, SOT-23, 3 PIN |
| 文件页数： | 13/26页 |
| 文件大小： | 1112K |
| 代理商： | LT1460JCS3-3#TRPBF |
LT1460
0
1460fc
1
2
3
4
1460 F19
LONG DIMENSION
2
1
0
40
30
20
FLEXURE NUMBER
10
1460 F20a
–1
OUTPUT
DEVIATION
(mV)
FLEXURE NUMBER
1460 F20b
LONG DIMENSION
2
1
0
40
30
20
10
–1
OUTPUT
DEVIATION
(mV)
deform the board a fixed amount as shown in Figure 19.
The flexure #1 represents no displacement, flexure #2 is
concavemovement,flexure#3isrelaxationtonodisplace-
ment and finally, flexure #4 is a convex movement. This
motion is repeated for a number of cycles and the relative
output deviation is noted. The result shown in Figure 20a
is for two LT1460S8-2.5s mounted vertically and Figure
20b is for two LT1460S8-2.5s mounted horizontally. The
parts oriented in Figure 20a impart less stress into the
package because stress is absorbed in the leads. Figures
20a and 20b show the deviation to be between 125V and
Figure 19. Flexure Numbers
Figure 20b. Two Typical LT1460S8-2.5s, Horizontal
Orientation Without Slots
Figure 20a. Two Typical LT1460S8-2.5s, Vertical
Orientation Without Slots
250V and implies a 50ppm and 100ppm change respec-
tively. This corresponds to a 13- to 14-bit system and is
not a problem for most 10- to 12-bit systems unless the
system has a calibration. In this case, as with temperature
hysteresis, this low level can be important and even more
careful techniques are required.
The most effective technique to improve PC board stress
is to cut slots in the board around the reference to serve
as a strain relief. These slots can be cut on three sides of
the reference and the leads can exit on the fourth side. This
“tongue” of PC board material can be oriented in the long
direction of the board to further reduce stress transferred
to the reference.
The results of slotting the PC boards of Figures 20a and
20b are shown in Figures 21a and 21b. In this example
the slots can improve the output shift from about 100ppm
to nearly zero.
SLOT
2
1
0
40
30
20
FLEXURE NUMBER
10
1460 F21a
–1
OUTPUT
DEVIATION
(mV)
SLOT
2
1
0
40
30
20
FLEXURE NUMBER
10
1460 F21b
–1
OUTPUT
DEVIATION
(mV)
Figure 21a. Same Two LT1460S8-2.5s in Figure 16a,
but with Slots
Figure 21b. Same Two LT1460S8-2.5s in Figure 16b,
but with Slots
applications inForMation
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PDF描述 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1460JCS3-5 | 制造商:Linear Technology 功能描述:V-Ref Precision 5V 40mA 3-Pin SOT-23 |
| LT1460JCS3-5#PBF | 制造商:Linear Technology 功能描述:VOLTAGE REFERENCE, SERIES, 5V, SOT-23-3; Topology:Series; Reference Voltage:5V; Voltage Reference Case Style:SOT-23; No. of Pins:3; Temperature Coefficient:10ppm/C; Input Voltage:-; Package / Case:3-SOT-23 ;RoHS Compliant: Yes |
| LT1460JCS3-5#TR | 功能描述:IC VREF SERIES PREC 5V SOT-23-3 RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路，精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 |
| LT1460JCS3-5#TRM | 功能描述:IC VREF SERIES PREC 5V SOT-23-3 RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路，精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 |
| LT1460JCS3-5#TRMPBF | 功能描述:IC VREF SERIES PREC 5V SOT-23-3 RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 产品培训模块:Voltage Reference Basics 标准包装:100 系列:- 基准类型:旁路，精度 输出电压:4.096V 容差:±0.075% 温度系数:50ppm/°C 输入电压:- 通道数:1 电流 - 阴极:1µA 电流 - 静态:- 电流 - 输出:10mA 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:8-SOIC（0.154"，3.90mm 宽） 供应商设备封装:8-SOIC 包装:管件 |
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