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參數資料
| 型號： | ADR392ART-RL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Precision Low Drift 2.048 V/2.5 V/4.096 V/ 5.0 V SOT-23 Reference with Shutdown |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 4.096 V, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數： | 8/20頁 |
| 文件大小： | 269K |
| 代理商： | ADR392ART-RL7 |
ADR390/ADR391/ADR392/ADR395
TERMINOLOGY
Temperature Coefficient
The change of output voltage with respect to operating temp-
erature changes normalized by the output voltage at 25°C. This
parameter is expressed in ppm/°C and can be determined by the
following equation:
(
(
25
°
O
C
V
Rev. F | Page 8 of 20
[
]
)
)
(
×
( )
–
T
)
6
10
–
×
=
°
1
2
O
2
O
O
T
V
T
V
C
/
ppm
TCV
where:
V
O
(25°C) =
V
O
at 25°C
V
O
(
T
1
) =
V
O
at Temperature 1
V
O
(
T
2
) =
V
O
at Temperature 2
Line Regulation
The change in output voltage due to a specified change in input
voltage. This parameter accounts for the effects of self-heating.
Line regulation is expressed in either percent per volt, parts-
per-million per volt, or microvolts per volt change in input
voltage.
Load Regulation
The change in output voltage due to a specified change in load
current. This parameter accounts for the effects of self-heating.
Load regulation is expressed in either microvolts per milli-
ampere, parts-per-million per milliampere, or ohms of dc
output resistance.
Long-Term Stability
Typical shift of output voltage at 25°C on a sample of parts
subjected to a test of 1,000 hours at 25°C.
V
O
=
V
O
(
t
0
) –
V
O
(
t
1
)
[
]
( )
V
( )
( )
×
=
6
10
–
O
O
O
O
V
V
ppm
V
where:
V
O
(
T
0
) =
V
O
at 25°C at Time 0
V
O
(
T
1
) =
V
O
at 25°C after 1,000 hours operation at 25°C
Thermal Hysteresis
The change of output voltage after the device is cycled through
temperatures from +25°C to –40°C to +125°C and back to
+25°C. This is a typical value from a sample of parts put
through such a cycle.
V
O_HYS
=
V
O
(25°C) –
V
O_TC
[
]
(
)
(
)
6
10
25
–
°
25
V
×
°
=
C
V
C
V
ppm
V
O
O_TC
O
O_HYS
where:
V
O
(25°C) =
V
O
at 25°C
V
O_TC
=
V
O
at 25°C after a temperature cycle from + 25°C
to –40°C to +125°C and back to +25°C
NOTES
Input Capacitor
Input capacitors are not required on the ADR39x. There is no
limit for the value of the capacitor used on the input, but a
1 μF to 10 μF capacitor on the input improves transient
response in applications where the supply suddenly changes.
An additional 0.1 μF in parallel also helps reduce noise
from the supply.
Output Capacitor
The ADR39x does not require output capacitors for stability
under any load condition. An output capacitor, typically 0.1 μF,
filters out any low level noise voltage and does not affect the
operation of the part. On the other hand, the load transient
response can improve with the addition of a 1 μF to 10 μF
output capacitor in parallel. A capacitor here acts as a source of
stored energy for a sudden increase in load current. The only
parameter that degrades by adding an output capacitor is the
turn-on time, and it depends on the size of the capacitor
chosen.
–150
D
150
TIME (Hours)
0
–100
–50
0
50
100
100
200
300
400
500
600
700
1000
0
900
800
Figure 2. ADR391 Typical Long-Term Drift over 1,000 Hours
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相關代理商/技術參數 |
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| ADR392AUJZ-R2 | 功能描述:IC VREF SERIES PREC TSOT-23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:ADR39 產品培訓模塊:Voltage Reference Basics 標準包裝:100 系列:- 基準類型:旁路，精度 輸出電壓:4.096V 容差:±0.075% 溫度系數:50ppm/°C 輸入電壓:- 通道數:1 電流 - 陰極:1µA 電流 - 靜態:- 電流 - 輸出:10mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應商設備封裝:8-SOIC 包裝:管件 |
| ADR392AUJZ-R2 | 制造商:Analog Devices 功能描述:Voltage Reference |
| ADR392AUJZ-R2 | 制造商:Analog Devices 功能描述:VOLTAGE REFERENCE 4.096V |
| ADR392AUJZ-R21 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Micropower, Low Noise Precision Voltage References with Shutdown |
| ADR392AUJZ-REEL7 | 功能描述:IC VREF SERIES PREC TSOT-23-5 RoHS:是 類別:集成電路 (IC) >> PMIC - 電壓基準 系列:ADR39 標準包裝:3,000 系列:- 基準類型:旁路，精度 輸出電壓:3V 容差:±0.5% 溫度系數:100ppm/°C 輸入電壓:- 通道數:1 電流 - 陰極:82µA 電流 - 靜態:- 電流 - 輸出:15mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:6-TSSOP（5 引線），SC-88A，SOT-353 供應商設備封裝:SC-70-5 包裝:帶卷 (TR) 其它名稱:296-20888-2 |
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