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參數(shù)資料
| 型號： | EL5128CY-T7 |
| 廠商： | Intersil |
| 文件頁數(shù)： | 3/12頁 |
| 文件大小： | 0K |
| 描述： | IC AMP/BUFFER DUAL VCOM 10-MSOP |
| 標(biāo)準(zhǔn)包裝： | 1,500 |
| 應(yīng)用： | TFT-LCD 面板：伽瑪緩沖器，VCOM 驅(qū)動器 |
| 輸出類型： | 滿擺幅 |
| 電路數(shù)： | 2 |
| -3db帶寬： | 12MHz |
| 轉(zhuǎn)換速率： | 10 V/µs |
| 電流 - 電源： | 660µA |
| 電流 - 輸出 / 通道： | 30mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 16.5 V，±2.25 V ~ 8.25 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 帶卷 (TR) |
11
FN7000.3
May 4, 2007
where:
TJMAX = Maximum junction temperature
TAMAX= Maximum ambient temperature
θ
JA = Thermal resistance of the package
PDMAX = Maximum power dissipation in the package
The maximum power dissipation actually produced by an IC
is the total quiescent supply current times the total power
supply voltage, plus the power in the IC due to the loads, or:
P
DMAX
ΣiV
S
I
SMAX
V
S
(
+ - V
OUTi )
I
LOAD i
×
+
×
[]
×
=
when sourcing, and:
P
DMAX
ΣiV
S
I
SMAX
V
OUT
(
i - V
S- )
I
LOADi
×
+
×
[]
×
=
when sinking.
where:
VS = Total supply voltage
ISMAX = Maximum supply current per amplifier
VOUTi = Maximum output voltage of the application
ILOADi = Load current
If we set the two PDMAX equations equal to each other, we
can solve for RLOADi to avoid device overheat. Figures 27
and 28 provide a convenient way to see if the device will
overheat. The maximum safe power dissipation can be
found graphically, based on the package type and the
ambient temperature. By using the previous equation, it is a
simple matter to see if PDMAX exceeds the device's power
derating curves. To ensure proper operation, it is important
to observe the recommended derating curves in Figures 27
and 28.
JEDEC JESD51-3 LOW EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD
0.6
0.4
0.3
0.2
0.1
0
255075
100
125
AMBIENT TEMPERATURE (°C)
P
O
WER
DIS
S
IPATION
(W)
85
486mW
θ
JA =
20
6°C
/W
M
SO
P1
0
0.5
θ
JA =
20
6°C
/W
M
SO
P1
0
FIGURE 27.
JEDEC JESD51-7 HIGH EFFECTIVE THERMAL
CONDUCTIVITY TEST BOARD
1
0.9
0.6
0.4
0.3
0.2
0.1
0
255075
100
125
AMBIENT TEMPERATURE (°C)
POWE
R
DI
SSI
PATI
ON
(
W)
85
870mW
θ
JA =
11
5°C
/W
M
SO
P1
0
0.8
0.5
0.7
PACKAGE POWER DISSIPATION vs AMBIENT
TEMPERATURE
FIGURE 28. PACKAGE POWER DISSIPATION vs AMBIENT
TEMPERATURE
Power Supply Bypassing and Printed Circuit
Board Layout
The EL5128 can provide gain at high frequency. As with any
high-frequency device, good printed circuit board layout is
necessary for optimum performance. Ground plane
construction is highly recommended, lead lengths should be
as short as possible and the power supply pins must be well
bypassed to reduce the risk of oscillation. For normal single
supply operation, where the VS- pin is connected to ground,
a 0.1F ceramic capacitor should be placed from VS+ to pin
to VS- pin. A 4.7F tantalum capacitor should then be
connected in parallel, placed in the region of the amplifier.
One 4.7F capacitor may be used for multiple devices. This
same capacitor combination should be placed at each
supply pin to ground if split supplies are to be used.
EL5128
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EL5128CYZ | 功能描述:LCD Gamma緩沖器 EL5128CYZ DL VCOM AMP W/GAMMAFERENCE RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube |
| EL5128CYZ-T13 | 功能描述:LCD Gamma緩沖器 EL5128CYZ DL VCOM AMP GAMMAFERENCE RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube |
| EL5128CYZ-T7 | 功能描述:LCD Gamma緩沖器 EL5128CYZ DL VCOM AMP W/GAMMAFERENCE RoHS:否 制造商:Maxim Integrated 輸入補(bǔ)償電壓: 轉(zhuǎn)換速度: 電源電壓-最大:20 V 電源電壓-最小:9 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-38 封裝:Tube |
| EL5128IY | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Operational Amplifier |
| EL5128IY-T13 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Operational Amplifier |
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