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參數(shù)資料
| 型號(hào)： | EL5144CW-T13 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 100MHz Single-Supply Rail-to-Rail Amplifiers |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO5 |
| 封裝： | SOT-23, 5 PIN |
| 文件頁數(shù)： | 17/19頁 |
| 文件大?。?/td> | 499K |
| 代理商： | EL5144CW-T13 |
17
relative to the GND pin. Letting the CE pin float will enable
the amplifier. Hence, the 8-pin PDIP and SOIC single amps
are pin compatible with standard amplifiers that don’t have a
power down feature.
Short Circuit Current Limit
The EL5144 series amplifiers do not have internal short
circuit protection circuitry. Short circuit current of 90mA
sourcing and 65mA sinking typically will flow if the output is
trying to drive high or low but is shorted to half way between
the rails. If an output is shorted indefinitely, the power
dissipation could easily increase such that the part will be
destroyed. Maximum reliability is maintained if the output
current never exceeds
±
50mA. This limit is set by internal
metal interconnect limitations. Obviously, short circuit
conditions must not remain or the internal metal connections
will be destroyed.
Power Dissipation
With the high output drive capability of the EL5144 series
amplifiers, it is possible to exceed the 150
°
C Absolute
Maximum junction temperature under certain load current
conditions. Therefore, it is important to calculate the
maximum junction temperature for the application to
determine if load conditions or package type need to be
modified for the amplifier to remain in the safe operating
area.
The maximum power dissipation allowed in a package is
determined according to:
where:
T
JMAX
= Maximum junction temperature
T
AMAX
= Maximum ambient temperature
θ
JA
= Thermal resistance of the package
PD
MAX
= 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 load, or:
where:
N = Number of amplifiers in the package
V
S
= Total supply voltage
I
SMAX
= Maximum supply current per amplifier
V
OUT
= Maximum output voltage of the application
R
L
= Load resistance tied to ground
If we set the two PD
MAX
equations equal to each other, we
can solve for R
L
:
V
JA
Assuming worst case conditions of T
A
= +85
°
C,
V
OUT
= V
S
/2V, V
S
= 5.5V, and I
SMAX
= 8.8mA per amplifier,
below is a table of all packages and the minimum R
L
allowed.
EL5144 Series Comparator Application
The EL5144 series amplifier can be used as a very fast,
single supply comparator. Most op amps used as a
comparator allow only slow speed operation because of
output saturation issues. The EL5144 series amplifier
doesn’t suffer from output saturation issues. Figure 3 shows
the amplifier implemented as a comparator. Figure 4 is a
PD
MAX
T
- T
JA
--------------------------------------------
=
PD
MAX
N
V
S
I
SMAX
V
S
(
- V
OUT
)
V
L
---------------
×
+
×
×
=
PART
PACKAGE
MINIMUM R
L
EL5144CW
SOT23-5
37
EL5146CS
SOIC-8
21
EL5146CN
PDIP-8
14
EL5244CS
SOIC-8
48
EL5244CN
PDIP-8
30
EL5244CY
MSOP-8
69
EL5246CY
MSOP-10
69
EL5246CS
SOIC-14
34
EL5246CN
PDIP-14
23
EL5444CU
QSOP-16
139
EL5444CS
SOIC-14
85
EL5444CN
PDIP-14
51
R
L
V
- V
- V
S
--------------------------------------------
I
SMAX
×
(
)
---------------------------------------------------------------------------------------------
=
EL5144, EL5146, EL5244, EL5246, EL5444
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EL5144CW-T7 | 100MHz Single-Supply Rail-to-Rail Amplifiers |
| EL5146 | 100MHz Single-Supply Rail-to-Rail Amplifiers(100MHz 單電源軌對(duì)軌放大器) |
| EL5246 | 100MHz Single-Supply Rail-to-Rail Amplifiers(100MHz 單電源軌對(duì)軌放大器) |
| EL5244 | 100MHz Single-Supply Rail-to-Rail Amplifiers(100MHz 單電源軌對(duì)軌放大器) |
| EL5444 | 100MHz Single-Supply Rail-to-Rail Amplifiers(100MHz 單電源軌對(duì)軌放大器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EL5144CW-T7 | 功能描述:運(yùn)算放大器 - 運(yùn)放 100MHZ R-R 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(bǔ)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 |
| EL5144CW-T7A | 功能描述:運(yùn)算放大器 - 運(yùn)放 100 MHz Rail to 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(bǔ)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 |
| EL5144CWZ-T7 | 功能描述:IC AMP VFA SINGLE 100MH SOT23-5 RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 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:管件 |
| EL5144CWZ-T7A | 功能描述:IC AMP VFA SINGLE 100MH SOT23-5 RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類型:通用 電路數(shù):2 輸出類型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 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:管件 |
| EL514-5 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Logic IC |
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