参数资料
型号: LT1460EIN8-5#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, 5 V, PDIP8
封装: 0.300 INCH, LEAD FREE, PLASTIC, DIP-8
文件页数: 10/26页
文件大小: 1112K
代理商: LT1460EIN8-5#TRPBF
LT1460
1460fc
Table 1. Maximum Output Capacitance for LT1460S3
VOLTAGE
OPTION
IOUT = 100A IOUT = 1mA IOUT = 10mA IOUT = 20mA
2.5V
>10F
2F
0.68F
3V
>10F
2F
0.68F
3.3V
>10F
1F
0.68F
5V
>10F
1F
0.68F
10V
>10F
1F
0.15F
0.1F
Long-Term Drift
Long-termdriftcannotbeextrapolatedfromaccelerated
hightemperaturetesting.Thiserroneoustechniquegives
drift numbers that are wildly optimistic. The only way
long-term drift can be determined is to measure it over
the time interval of interest. The LT1460S3 long-term
drift data was taken on over 100 parts that were soldered
into PC boards similar to a “real world” application. The
boards were then placed into a constant temperature oven
with TA = 30°C, their outputs were scanned regularly and
measured with an 8.5 digit DVM. Figure 16 shows typical
long-term drift of the LT1460S3s.
Hysteresis
HysteresisdatashowninFigure17andFigure18represents
the worst-case data taken on parts from 0°C to 70°C and
from –40°C to 85°C. The device is capable of dissipating
relativelyhighpower,i.e.,fortheLT1460S3-2.5,PD=17.5V
20mA = 350mW. The thermal resistance of the SOT-23
package is 325°C/W and this dissipation causes a 114°C
internal rise producing a junction temperature of TJ=25°C
+ 114°C = 139°C. This elevated temperature will cause
the output to shift due to thermal hysteresis. For highest
performance in precision applications, do not let the
LT1460S3’s junction temperature exceed 85°C.
Figure 16. Typical Long-Term Drift
Figure 17. 0°C to 70°C Hysteresis
Figure 18. –40°C to 85°C Hysteresis
HOURS
–150
ppm
–50
50
150
–100
0
100
200
400
600
800
1460 F16
1000
100
0
300
500
700
900
HYSTERESIS (ppm)
–240
–160
–80
0
NUMBER
OF
UNITS
8
70°C TO 25°C
0°C TO 25°C
10
12
1460 F17
6
4
80
160
–200
–120
–40
40
120
200
2
0
18
16
14
240
WORST-CASE HYSTERESIS
ON 40 UNITS
HYSTERESIS (ppm)
–600
–400
–200
0
NUMBER
OF
UNITS
4
85°C TO 25°C
–40°C TO 25°C
5
6
1460 F18
3
2
200
400
–500
–300
–100
100
300
500
1
0
9
8
7
600
WORST-CASE HYSTERESIS
ON 34 UNITS
applications inForMation
相关PDF资料
PDF描述
LT1460DCN8-5#TRPBF 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDIP8
LT1460ACN8-10#TRPBF 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8
LT1460DCN8-10#TRPBF 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDIP8
LT1460GCZ-51460 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PBCY3
LT1460ACS8-5#TR1460 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDSO8
相关代理商/技术参数
参数描述
LT1460EIS8-10 功能描述:IC VREF SERIES PREC 10V 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路,可调节,精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3(TO-226AA)成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR)
LT1460EIS8-10#PBF 功能描述:IC VREF SERIES PREC 10V 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路,可调节,精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3(TO-226AA)成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR)
LT1460EIS8-10#TR 功能描述:IC VREF SERIES PREC 10V 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路,可调节,精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3(TO-226AA)成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR)
LT1460EIS8-10#TRPBF 功能描述:IC VREF SERIES PREC 10V 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 电压基准 系列:- 标准包装:2,000 系列:- 基准类型:旁路,可调节,精度 输出电压:1.24 V ~ 16 V 容差:±0.5% 温度系数:- 输入电压:1.24 V ~ 16 V 通道数:1 电流 - 阴极:100µA 电流 - 静态:- 电流 - 输出:20mA 工作温度:-40°C ~ 85°C 安装类型:通孔 封装/外壳:TO-226-3、TO-92-3(TO-226AA)成形引线 供应商设备封装:TO-92-3 包装:带卷 (TR)
LT1460EIS8-10-PBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower Precision Series Reference Family