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參數(shù)資料
| 型號： | MAX4165 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | High-Output-Drive, Precision, Low-Power, Single- Supply, Rail-to-Rail I/O Op Amps with Shutdown |
| 中文描述： | 高輸出驅(qū)動、精密的低功耗、單電源、滿擺幅輸入/輸出運算放大器，帶有關(guān)斷 |
| 文件頁數(shù)： | 9/16頁 |
| 文件大?。?/td> | 230K |
| 代理商： | MAX4165 |
M
High-Output-Drive, Precision, Low-Power, Single-
Supply, Rail-to-Rail I/O Op Amps with Shutdown
_______________________________________________________________________________________
9
Applic ations Information
Pac kage Power Dissipation
Warning: Due to the high output current drive, this op
amp can exceed the absolute maximum power-dissi-
pation rating.
As a general rule, as long as the peak cur-
rent is less than or equal to 80mA, the maximum package
power dissipation will not be exceeded for any of the
package types offered. There are some exceptions to this
rule, however. The absolute maximum power-dissipation
rating of each package should always be verified using
the following equations. The following equation gives an
approximation of the package power dissipation:
P
V
IC DISS
RMS RMS
where: V
RMS
= the RMS voltage from V
CC
to V
OUT
when sourcing current
= the RMS voltage from V
OUT
to V
EE
when sinking current
I
RMS
= the RMS current flowing out of or into
the op amp and the load
θ
= the phase difference between the
voltage and the current. For resistive
loads, COS
θ
= 1.
For example, the circuit in Figure 1 has a package
power dissipation of 157mW.
Therefore, P
IC(DISS)
= V
RMS
I
RMS
COS
θ
= 157mW
Adding a coupling capacitor improves the package
power dissipation because there is no DC current to
the load, as shown in Figure 2.
Therefore, P
IC(DISS)
= V
RMS
I
RMS
COS
θ
= 38.6mW
The absolute maximum power-dissipation rating of this
package would be exceeded if the configuration in
Figure 1 were used with all four of the MAX4169ESD’s
amplifiers at a high ambient temperature of +75°C
(157mW x 4 amplifiers = 628mW + a derating of
8.33mW/°C x 5°C = 669mW). Note that 669mW just
exceeds the absolute maximum power dissipation of
667mW for the 14-pin SO package (see the Absolute
Maximum Ratings section).
V
V
V
I
+ I
2
RMS
CC
DC
RMS
PEAK
)
=
=
=
+
=
6 5
3 25
.
.
.
/
.
V
V
V
V
V
I
A
V
mA
PEAK
2
1 5
RMS
DC
RMS
2
2 189
0
1 5
60
2
17 67
V
V
V
I
+ I
2
RMS
CC
DC
RMS
PEAK
)
=
=
=
+
=
6 5
3 25
.
.
.
.
/
.
V
V
V
V
V
I
V
V
mA
PEAK
2
1 5
RMS
DC
RMS
2
2 189
3 25
60
1 5
60
2
71 84
COS
)
θ
6.5V
V
IN
= 3Vp-p
R
C
60
R
MAX4165
MAX4166
Figure 1. A Circuit Example where the MAX4165/MAX4166 is
Being Used in Single-Supply Operation
6.5V
V
IN
= 3Vp-p
R
60
R
C
C
C
C
C
= 1
2
π
R
L
f
L
MAX4165
MAX4166
Figure 2. A Circuit Example where Adding a Coupling
Capacitor Greatly Reduces the Power Dissipation of Its
Package
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4166 | Low-Power Differential Line Driver And Receiver Pair 14-SOIC -40 to 85 |
| MAX4166EPA | High-Output-Drive, Precision, Low-Power, Single- Supply, Rail-to-Rail I/O Op Amps with Shutdown |
| MAX4166ESA | Low-Power Differential Line Driver And Receiver Pair 14-SOIC -40 to 85 |
| MAX4167 | High-Output-Drive, Precision, Low-Power, Single- Supply, Rail-to-Rail I/O Op Amps with Shutdown |
| MAX4168 | Low-Power Differential Line Driver And Receiver Pair 14-PDIP -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4165EUK | 制造商:Maxim Integrated Products 功能描述:OP AMP HIGH O/P RRI/O SMD 4165 |
| MAX4165EUK+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL GP R-R I/O 3.25V/6.5V 5PIN SOT-23 - Bulk 制造商:Maxim Integrated Products 功能描述:Bulk 制造商:Maxim Integrated Products 功能描述:OP AMP HIGH O/P RRI/O SMD 4165 |
| MAX4165EUK+T | 功能描述:運算放大器 - 運放 High-Output-Drive Supply Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX4165EUKT | 制造商:Maxim Integrated Products 功能描述: |
| MAX4165EUK-T | 功能描述:運算放大器 - 運放 High-Output-Drive Supply Rail-Rail RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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