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參數(shù)資料
| 型號： | X60008CIS8Z-50 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Precision 5.0V FGA⑩ Voltage Reference |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 5 V, PDSO8 |
| 封裝： | 0.150 INCH, ROHS COMPLIANT, SOIC-8 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大小： | 301K |
| 代理商： | X60008CIS8Z-50 |
10
FN8143.1
June 2, 2006
0.1μF capacitor on the output, but noise in the 1Hz to
100Hz band increases due to instability of the very low
power amplifier with a 0.1μF capacitance load. For load
capacitances above .001μF the noise reduction
network shown in fig. 3 is recommended. This network
reduces noise sig-nificantly over the full bandwidth. As
shown in fig. 2, noise is reduced to less than 40μVp-p
from 1Hz to 1MHz using this network with a .01μF
capacitor and a 2k
resistor in series with a 10μF
capacitor.
Figure 2.
Figure 3.
Turn-On Time
The X60008 devices have ultra-low supply current and
thus the time to bias up internal circuitry to final values
will be longer than with higher power references. Nor-
mal turn-on time is typically 7ms. This is shown in the
graph, Figure 4. Since devices can vary in supply cur-
rent down to 300nA, turn-on time can last up to about
12ms. Care should be taken in system design to
include this delay before measurements or conver-
sions are started.
Figure 4.
Temperature Coefficient
The limits stated for temperature coefficient (tempco)
are governed by the method of measurement. The
overwhelming standard for specifying the temperature
drift of a reference is to measure the reference voltage
at two temperatures, take the total variation, (V
HIGH
-
V
LOW
), and divide by the temperature extremes of
measurement (T
HIGH
- T
LOW
). The result is divided by
the nominal reference voltage (at T = 25°C) and multi-
plied by 10
6
to yield ppm/°C. This is the “Box” method
for temperature coefficient which allows comparison of
devices but can mislead a designer concerned about
specific ranges of temperature (i.e., 35°C to 65°C for a
power supply design). The designer may infer the
tempco to be a well-behaved flat line slope, similar to
that shown in Figure 5. The slope of the Vout vs. tem-
perature curve at points in-between the extremes can
actually be much higher than the tempco stated in the
specifications due to multiple inflections in the temper-
ature drift curve. Most notably, bandgap devices may
have some type of “s-curve” which will have slopes
that exceed the average specified tempco by 2x or 3x.
CL = 0
CL = .001μF
CL = .1μF
CL = .01μF & 10μF + 2k
400
350
300
250
200
150
100
50
0
1
10
100
1000
10000
100000
X60008-50 NOISE REDUCTION
N
V
IN
= 6.5V
V
IN
V
O
GND
X60008-50
.01μF
10μF
2k
.1μF
10μF
7
6
5
4
3
2
1
0
-1
1
3
5
7
9
11
13
15
X60008-50 TURN-ON TIME (25°C)
TIME (mSec)
V
I
IN
= 730nA
I
IN
= 500nA
I
IN
= 320nA
X60008C-50, X60008D-50
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| X60008D-25 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Precision 2.5V FGA Voltage Reference |
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| X60008DIS8-25 | 功能描述:IC VREF SERIES PREC 2.5V 8-SO RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:FGA™ 標(biāo)準(zhǔn)包裝:1 系列:- 基準(zhǔn)類型:串聯(lián)，精度 輸出電壓:4.5V 容差:±800µV 溫度系數(shù):1ppm/°C 輸入電壓:13.5 V ~ 22 V 通道數(shù):1 電流 - 陰極:- 電流 - 靜態(tài):7mA 電流 - 輸出:10mA 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:20-LCC 供應(yīng)商設(shè)備封裝:20-CLCC 包裝:管件 |
| X60008DIS8-25T1 | 功能描述:IC VREF SERIES PREC 2.5V 8-SO RoHS:否 類別:集成電路 (IC) >> PMIC - 電壓基準(zhǔn) 系列:FGA™ 標(biāo)準(zhǔn)包裝:1 系列:- 基準(zhǔn)類型:串聯(lián)，精度 輸出電壓:4.5V 容差:±800µV 溫度系數(shù):1ppm/°C 輸入電壓:13.5 V ~ 22 V 通道數(shù):1 電流 - 陰極:- 電流 - 靜態(tài):7mA 電流 - 輸出:10mA 工作溫度:-55°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:20-LCC 供應(yīng)商設(shè)備封裝:20-CLCC 包裝:管件 |
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