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參數(shù)資料
| 型號(hào)： | ISL55033IRTZ-T13 |
| 廠商： | Intersil |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC GAIN BLOCK R-R 400MHZ 12TQFN |
| 標(biāo)準(zhǔn)包裝： | 6,000 |
| 應(yīng)用： | 通用 |
| 輸出類型： | 滿擺幅 |
| 電路數(shù)： | 3 |
| -3db帶寬： | 400MHz |
| 轉(zhuǎn)換速率： | 2350 V/µs |
| 電流 - 電源： | 21.3mA |
| 電流 - 輸出 / 通道： | 50mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 12-WFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 12-TQFN EP（3x3） |
| 包裝： | 帶卷 (TR) |
10
FN6346.0
September 11, 2008
Application Information
General
The ISL55033 single supply, fixed gain, triple amplifier is
intended for use in a variety of video and other high speed
applications. The device features a ground-sensing PNP
input stage and a bipolar rail-to-rail output stage. The three
amplifiers have an internally fixed gain of 2, and share a
single enable pin as shown in Figure 32.
Ground Connections
For the best isolation performance and crosstalk rejection,
all GND pins must connect directly to the GND plane. In
addition, the electrically conductive thermal pad must also
connect directly to ground.
Power Considerations
Separate V+ power supply and GND pins for the input and
output stages are provided to maximize PSRR. Providing
separate power pins provides a way to prevent high speed
transient currents in the output stage from bleeding into the
sensitive amplifier input and gain stages. To maximize
crosstalk isolation, each power supply pin should have its
own de-coupling capacitors connected as close to the pin as
possible as shown in Figure 30 (0.1F in parallel with 1nF
recommended).
The ESD protection circuits use internal diodes from all pins to
the V+ and ground pins. In addition, a dV/dt-triggered clamp is
connected between the V+ and V- pins, as shown in the
Equivalent Circuits 1 through 4 in Figure 32. The dV/dt
triggered clamp imposes a maximum supply turn-on slew rate
of 1V/s. Damaging currents can flow for power supply
rates-of-rise in excess of 1V/s, such as during hot plugging.
Under these conditions, additional methods should be
employed to ensure the maximum rates-of-rise is not
exceeded.
Single Supply Input/Output Considerations
For best performance, the input signal voltage range should
be maintained between 0.1V to 2.1V. These input limits
correspond to an output voltage range of 0.2V to 4.2V and
define the limits of linear operation. Figure 4 shows the
frequency response versus the input DC voltage level.
performance over the input range of 0V to 2.4V operating
into a 150
Ω load. The 0.1V to 2.1V input levels corresponds
to a 0.2V to 4.2V output levels, which define the minimum
and maximum range of output linear operation.
Composite video with sync requires care to ensure that the
negative sync tip voltage (typically -300mV) is properly
level-shifted up into the ISL55033 input linear operating
region of +0.1V to 2.1V. The high input impedance enables
AC coupling using low values of coupling capacitance with
relatively high input voltage divider resistances.
EN and Power-Down States
The EN pin is active low. An internal pull-down resistor
ensures the device will be active with no connection to the
EN pin. The power-down state is established within
approximately 25ns, if a logic high (>2V) is placed on the EN
pin. In the power-down state, supply current is reduced
significantly by shutting the three amplifiers off. The output
presents a relatively high impedance (~2k
Ω) to the output
pin. Multiplexing several outputs together is possible using
the enable/disable function as long as the application can
tolerate the limited power-down output impedance.
FIGURE 32. BASIC APPLICATION CIRCUIT
V+
EN
V+_OUT
OUT_2
IN+_2
IN+_3
GND_IN(1, 2, 3)
OUT_3
+
-
+
-
+
-
IN+_1
OUT_1
GND_OUT(1,2,3)
ROUT 1
ROUT 2
ROUT 3
RIN 1
RIN 3
RIN 2
DECOUPLING
CAPACITORS
ISL55033
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ISL55036 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:400MHz Slew Rate Enhanced Rail-to-Rail Output Gain Block |
| ISL55036EVAL1Z | 功能描述:EVAL BOARD 1 FOR ISL55036 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:* 標(biāo)準(zhǔn)包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板 |
| ISL55036IRTZ | 制造商:Intersil Corporation 功能描述:OP AMP HEX GP R-R O/P 5.5V 24TQFN EP - Bulk 制造商:Intersil 功能描述:ISL59530IRZ 16X16VID CROSPNT SWTCH 72LD 1 |
| ISL55036IRTZ-T13 | 功能描述:IC AMP FIXED GAIN 400MHZ 24-TQFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 應(yīng)用:驅(qū)動(dòng)器 輸出類型:差分 電路數(shù):3 -3db帶寬:350MHz 轉(zhuǎn)換速率:1000 V/µs 電流 - 電源:14.5mA 電流 - 輸出 / 通道:60mA 電壓 - 電源，單路/雙路(±):5 V ~ 12 V，±2.5 V ~ 6 V 安裝類型:表面貼裝 封裝/外殼:20-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| ISL55100A | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad 18V Pin Electronics Driver/Window Comparator |
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