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參數資料
| 型號： | THS3122CDR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | GREEN, PLASTIC, SOIC-8 |
| 文件頁數： | 10/34頁 |
| 文件大小： | 1276K |
| 代理商： | THS3122CDR |
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-
40
-
20
0
20
40
60
80
100
T
Free-AirTemperature( C)
-
A
°
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
P
MaximumP
owerDissipation(W)
D
Max
-
T =+125
J
C
°
q
=158
/W
JA
C
°
q
=95
/W
JA
C
°
q
=58.4
/W
JA
C
°
SLOS382D
– SEPTEMBER 2001 – REVISED FEBRUARY 2011
For systems where heat dissipation is more critical,
the THS3125 and THS3122 are also available in an
8-pin MSOP with PowerPAD package that offers
even
better
thermal
performance.
The
thermal
coefficient
for
the
PowerPAD
packages
are
substantially improved over the traditional SOIC.
Maximum power dissipation levels are depicted in
Figure 50 for the available packages. The data for the
PowerPAD packages assume a board layout that
follows the PowerPAD layout guidelines discussed
above and detailed in the PowerPAD application note
(literature
number
also
illustrates the effect of not soldering the PowerPAD to
a
PCB.
The
thermal
impedance
increases
substantially, which may cause serious heat and
performance issues. Always solder the PowerPAD to
Results shown are with no air flow and PCB size of 3 in
× 3 in
the PCB for optimum performance.
(76,2 mm
× 76,2 mm).
When determining whether or not the device satisfies
θJA = 58.4°C/W for 8-pin MSOP with PowerPAD (DGN
the maximum power dissipation requirement, it is
package)
important to not only consider quiescent power
θJA = 95°C/W for 8-pin SOIC High-K test PCB (D package)
dissipation, but also dynamic power dissipation. Often
θJA = 158°C/W for 8-pin MSOP with PowerPAD without solder
times, this type of dissipation is difficult to quantify
Figure 50. Maximum Power Dissipation vs
because the signal pattern is inconsistent, but an
Ambient Temperature
estimate of the RMS power dissipation can provide
visibility into a possible problem.
18
2001–2011, Texas Instruments Incorporated
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相關代理商/技術參數 |
參數描述 |
|---|---|
| THS3122CDRG4 | 功能描述:高速運算放大器 Dual High Output Current 120-MHz RoHS:否 制造商:Texas Instruments 通道數量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS3122EVM | 功能描述:放大器 IC 開發工具 THS3122 Eval Mod RoHS:否 制造商:International Rectifier 產品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| THS3122ID | 功能描述:高速運算放大器 Dual High Output Current 120-MHz RoHS:否 制造商:Texas Instruments 通道數量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS3122IDDA | 功能描述:高速運算放大器 Dual High Output Current 120-MHz RoHS:否 制造商:Texas Instruments 通道數量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS3122IDDAG3 | 功能描述:高速運算放大器 Dual High Output Current 120-MHz RoHS:否 制造商:Texas Instruments 通道數量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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