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參數資料
| 型號： | ADA4856-3YCPZ-R7 |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 4/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP 3CH RRO VFB G=2 16LFCSP |
| 標準包裝： | 1 |
| 應用： | 電壓反饋 |
| 輸出類型： | 滿擺幅 |
| 電路數： | 3 |
| -3db帶寬： | 370MHz |
| 轉換速率： | 800 V/µs |
| 電流 - 電源： | 7.8mA |
| 電流 - 輸出 / 通道： | 52mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 5.5 V，±1.5 V ~ 2.75 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VQFN 裸露焊盤，CSP |
| 供應商設備封裝： | 16-LFCSP-VQ EP（4x4） |
| 包裝： | 標準包裝 |
| 產品目錄頁面： | 768 (CN2011-ZH PDF) |
| 其它名稱： | ADA4856-3YCPZ-R7DKR |
ADA4856-3
Data Sheet
Rev. B | Page 12 of 20
THEORY OF OPERATION
The ADA4856-3 is a voltage feedback op amp that employs a
new input stage that achieves a high slew rate while maintaining
a wide common-mode input range. The input common-mode
range of the ADA4856-3 extends from 200 mV below the negative
rail to about 1 V from the positive rail. This feature makes the
ADA4856-3 ideal for low voltage single-supply applications. In
addition, this new input stage does not sacrifice noise performance
for slew rate. At 14 nV/√Hz, the ADA4856-3 is one of the
lowest noise rail-to-rail output video amplifiers in the market.
Besides a novel input stage, the ADA4856-3 employs the Analog
Devices, Inc., patented rail-to-rail output stage. This output
stage makes an efficient use of the power supplies, allowing the
op amp to drive up to three video loads to within 300 mV from
both rails. In addition, this output stage provides the amplifier
with very fast overdrive characteristics, an important property
in video applications.
The ADA4856-3 comes in a 16-lead LFCSP that has an exposed
thermal pad for lower operating temperature. This pad is connected
internally to the negative rail. To avoid printed circuit board (PCB)
layout problems, the ADA4856-3 features a new pinout flow that
is optimized for video applications. As shown in Figure 4, the
feedback and gain resistors are on-chip, which minimizes the
number of components needed and improves the design layout.
The ADA4856-3 is fabricated in Analog Devices dielectrically
isolated eXtra Fast Complementary Bipolar 3 (XFCB3) process,
which results in the outstanding speed and dynamic range
displayed by the amplifier.
OUT
+IN
–IN
C
C1
–VS
Gm1
Gm2
+VS
R
07686-
147
Figure 33. High Level Design Schematic
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| ADA4856-3YCPZ-RL | 功能描述:IC AMP 3CH RRO VFB G=+2 16LFCSP 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:- 標準包裝:1,000 系列:- 應用:驅動器 輸出類型:差分 電路數:3 -3db帶寬:350MHz 轉換速率: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 供應商設備封裝:20-QFN 裸露焊盤（4x4） 包裝:帶卷 (TR) |
| ADA4857-1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Distortion, Low Power, Low Noise, High Speed Op Amp |
| ADA4857-1ACP-EBZ | 功能描述:BOARD EVAL FOR ADA4857-1ACP RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運算放大器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| ADA4857-1YCPZ-R2 | 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk ±5.25V/10.5V 8-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:OP AMP SGL VOLT FDBK 5.25V/10.5V 8LFCSP EP - Tape and Reel |
| ADA4857-1YCPZ-R7 | 功能描述:IC OPAMP VF ULDIST LP LN 8LFCSP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產品培訓模塊:Differential Circuit Design Techniques for Communication Applications 標準包裝:1 系列:- 放大器類型:RF/IF 差分 電路數:1 輸出類型:差分 轉換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應商設備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
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