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參數(shù)資料
| 型號(hào)： | ADR130BUJZ-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Precision Series Sub-Band Gap Voltage Reference |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 1 V, PDSO6 |
| 封裝： | LEAD FREE, MO-193AA, TSOT-6 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 788K |
| 代理商： | ADR130BUJZ-REEL7 |
ADR130
THEORY OF OPERATION
The ADR130 sub-band gap reference is the high performance
solution for low supply voltage and low power applications. The
uniqueness of this product lies in its architecture.
Rev. 0 | Page 12 of 16
POWER DISSIPATION CONSIDERATIONS
The ADR130 is capable of delivering load currents to 4 mA
with an input range from 3.0 V to 18 V. When this device is
used in applications with large input voltages, care must be
taken to avoid exceeding the specified maximum power
dissipation or junction temperature, because this results in
premature device failure.
Use the following formula to calculate the maximum junction
temperature or dissipation:
T
T
P
=
JA
A
J
D
θ
where:
T
J
is the junction temperature.
T
A
is the ambient temperature.
P
D
is the device power dissipation.
θ
JA
is the device package thermal resistance.
INPUT CAPACITOR
Input capacitors are not required on the ADR130. 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 there is a sudden supply change. An addi-
tional 0.1 μF capacitor in parallel also helps reduce noise from
the supply.
OUTPUT CAPACITOR
The ADR130 requires a small 0.1 μF output capacitor for
stability. Additional 0.1 μF to 10 μF capacitance in parallel can
improve load transient response. This acts as a source of stored
energy for a sudden increase in load current. The only parame-
ter affected by the additional capacitance is turn-on time.
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