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參數(shù)資料
| 型號(hào)： | LT1460EIS8-51460 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDSO8 |
| 封裝： | 0.150 INCH, PLASTIC, SOP-8 |
| 文件頁數(shù)： | 9/24頁 |
| 文件大?。?/td> | 509K |
| 代理商： | LT1460EIS8-51460 |
LT1460
17
1460f
APPLICATIO S I FOR ATIO
WU
U
Table 1 gives the maximum output capacitance for vari-
ous load currents and output voltages to avoid instability.
Load capacitors with low ESR (effective series resistance)
cause more ringing than capacitors with higher ESR such
as polarized aluminum or tantalum capacitors.
Table 1. Maximum Output Capacitance
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-term drift cannot be extrapolated from accelerated
high temperature testing. This erroneous technique gives
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 12 shows typical
long-term drift of the LT1460S3s.
Hysteresis
Hysteresis data shown in Figure 13 and Figure 14 represents
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
relatively high power, i.e., for the LT1460S3-2.5, 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 12. Typical Long-Term Drift
Figure 13. 0°C to 70°C Hysteresis
Figure 14. –40°C to 85°C Hysteresis
HOURS
–150
ppm
–50
50
150
–100
0
100
200
400
600
800
1460 F12
1000
100
0
300
500
700
900
HYSTERESIS (ppm)
–240
–160
– 80
0
NUMBER
OF
UNITS
8
70
°C TO 25°C0°C TO 25°C
10
12
1460 F13
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 F14
3
2
200
400
–500
–300
–100
100
300
500
1
0
9
8
7
600
WORST-CASE HYSTERESIS
ON 34 UNITS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LT1460BIS8-5#TRPBF1460 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDSO8 |
| LT1460CCMS8-2.5#TRPBF1460 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO8 |
| LT1460DCS8-2.5#TRPBF1460 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 2.5 V, PDSO8 |
| LT1460GIZ-5#TR1460 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PBCY3 |
| LT1460EIS8-10#TRPBF1460 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1460EIS8-5-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Precision Series Reference Family |
| LT1460EIS8-5-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Micropower Precision Series Reference Family |
| LT1460FCMS8-10 | 功能描述:IC VREF SERIES PREC 10V 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 基準(zhǔn)類型:旁路，可調(diào)節(jié)，精度 輸出電壓:1.24 V ~ 16 V 容差:±0.5% 溫度系數(shù):- 輸入電壓:1.24 V ~ 16 V 通道數(shù):1 電流 - 陰極:100µA 電流 - 靜態(tài):- 電流 - 輸出:20mA 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:TO-226-3、TO-92-3（TO-226AA）成形引線 供應(yīng)商設(shè)備封裝:TO-92-3 包裝:帶卷 (TR) |
| LT1460FCMS8-10#PBF | 功能描述:IC VREF SERIES PREC 10V 8-MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 基準(zhǔn)類型:旁路，可調(diào)節(jié)，精度 輸出電壓:1.24 V ~ 16 V 容差:±0.5% 溫度系數(shù):- 輸入電壓:1.24 V ~ 16 V 通道數(shù):1 電流 - 陰極:100µA 電流 - 靜態(tài):- 電流 - 輸出:20mA 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:TO-226-3、TO-92-3（TO-226AA）成形引線 供應(yīng)商設(shè)備封裝:TO-92-3 包裝:帶卷 (TR) |
| LT1460FCMS8-10#TR | 功能描述:IC VREF SERIES PREC 10V 8-MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:- 標(biāo)準(zhǔn)包裝:2,000 系列:- 基準(zhǔn)類型:旁路，可調(diào)節(jié)，精度 輸出電壓:1.24 V ~ 16 V 容差:±0.5% 溫度系數(shù):- 輸入電壓:1.24 V ~ 16 V 通道數(shù):1 電流 - 陰極:100µA 電流 - 靜態(tài):- 電流 - 輸出:20mA 工作溫度:-40°C ~ 85°C 安裝類型:通孔 封裝/外殼:TO-226-3、TO-92-3（TO-226AA）成形引線 供應(yīng)商設(shè)備封裝:TO-92-3 包裝:帶卷 (TR) |
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