參數(shù)資料
型號(hào)： THS4031JG
廠商： Texas Instruments, Inc.
英文描述： 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
中文描述： 100 MHz的低噪聲高速放大器
文件頁(yè)數(shù)： 30/38頁(yè)
文件大?。?/td> 674K
代理商： THS4031JG
THS4031, THS4032
100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
SLOS224C – JULY 1999 – REVISED APRIL 2000
30
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
general PowerPAD
design considerations (continued)
The actual thermal performance achieved with the THS403xDGN in its PowerPAD
package depends on the
application. In the example above, if the size of the internal ground plane is approximately 3 inches
×
3 inches,
then the expected thermal coefficient,
θ
JA
,
is
about 58.4 C/W. For comparison, the non-PowerPAD
version
of the THS403x IC (SOIC) is shown. For a given
θ
JA
, the maximum power dissipation is shown in Figure 56 and
is calculated by the following formula:
PD
TMAX–TA
JA
Where:
P
D
T
MAX
= Absolute maximum junction temperature (150
°
C)
T
A
= Free-ambient air temperature (
°
C)
θ
JA
=
θ
JC
+
θ
CA
θ
JC
= Thermal coefficient from junction to case
θ
CA
= Thermal coefficient from case to ambient air (
°
C/W)
= Maximum power dissipation of THS403x IC (watts)
DGN Package
θ
JA = 58.4
°
C/W
2 oz. Trace And Copper Pad
With Solder
DGN Package
θ
JA = 158
°
C/W
2 oz. Trace And
Copper Pad
Without Solder
SOIC Package
High-K Test PCB
θ
JA = 98
°
C/W
TJ = 150
°
C
SOIC Package
Low-K Test PCB
θ
JA = 167
°
C/W
2
1.5
1
0
–40
–20
0
20
40
M
2.5
3
MAXIMUM POWER DISSIPATION
vs
FREE-AIR TEMPERATURE
3.5
60
80
100
0.5
TA – Free-Air Temperature –
°
C
NOTE A: Results are with no air flow and PCB size = 3”
×
3”
Figure 56. Maximum Power Dissipation vs Free-Air Temperature
More complete details of the PowerPAD
installation process and thermal management techniques can be
found in the Texas Instruments technical brief, PowerPAD
Thermally Enhanced Package.This document can
be found at the TI web site (www.ti.com) by searching on the key word PowerPAD
. The document can also
be ordered through your local TI sales office. Refer to literature number SLMA002 when ordering.
相關(guān)PDF資料
PDF描述
THS4031DGN 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031EVM 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031FK 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031MFK 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4032D 100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS4031MFK 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
THS4031MFKB 制造商:Texas Instruments 功能描述: 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk 16V/32V 20-Pin LCCC Tube
THS4031MJG 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk ±16V/32V 8-Pin CDIP Tube 制造商:Texas Instruments 功能描述:OP AMP SGL VOLT FDBK 16V/32V 8CDIP - Rail/Tube
THS4031MJGB 制造商:Texas Instruments 功能描述:OP Amp Single Volt Fdbk ±16V/32V 8-Pin CDIP Tube
THS4032 制造商:TI 制造商全稱:Texas Instruments 功能描述:100-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS
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