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參數(shù)資料
| 型號(hào)： | AD8048 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 250 MHz, General Purpose Voltage Feedback Op Amps |
| 中文描述： | 250兆赫，通用電壓反饋運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大小： | 478K |
| 代理商： | AD8048 |
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Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
250 MHz, General Purpose
Voltage Feedback Op Amps
AD8047/AD8048
The AD8047 and AD8048’s low distortion and cap load drive
make the AD8047/AD8048 ideal for buffering high speed
ADCs. They are suitable for 12 bit/10 MSPS or 8 bit/60 MSPS
ADCs. Additionally, the balanced high impedance inputs of the
voltage feedback architecture allow maximum flexibility when
designing active filters.
The AD8047 and AD8048 are offered in industrial (–40
°
C to
+85
°
C) temperature ranges and are available in 8-pin plastic
DIP and SOIC packages.
5ns
1V
Figure 1. AD8047 Large Signal Transient Response,
V
O
= 4 V p-p, G = +1
FEATURES
Wide Bandwidth
Small Signal
Large Signal (2 V p-p)
AD8047, G = +1 AD8048, G = +2
250 MHz
130 MHz
260 MHz
160 MHz
5.8 mA Typical Supply Current
Low Distortion, (SFDR) Low Noise
–66 dBc typ @ 5 MHz
–54 dBc typ @ 20 MHz
5.2 nV
/
√
Hz
(AD8047), 3.8 nV
/
√
Hz
(AD8048) Noise
Drives 50 pF Capacitive Load
High Speed
Slew Rate 750 V/
μ
s (AD8047), 1000 V/
μ
s (AD8048)
Settling 30 ns to 0.01%, 2 V Step
±
3 V to
±
6 V Supply Operation
APPLICATIONS
Low Power ADC Input Driver
Differential Amplifiers
IF/RF Amplifiers
Pulse Amplifiers
Professional Video
DAC Current to Voltage Conversion
Baseband and Video Communications
Pin Diode Receivers
Active Filters/Integrators
PRODUCT DESCRIPTION
The AD8047 and AD8048 are very high speed and wide band-
width amplifiers. The AD8047 is unity gain stable. The
AD8048 is stable at gains of two or greater. The AD8047 and
AD8048, which utilize a voltage feedback architecture, meet the
requirements of many applications that previously depended on
current feedback amplifiers.
A proprietary circuit has produced an amplifier that combines
many of the best characteristics of both current feedback and
voltage feedback amplifiers. For the power (6.6 mA max) the
AD8047 and AD8048 exhibit fast and accurate pulse response
(30 ns to 0.01%) as well as extremely wide small signal and
large signal bandwidth and low distortion. The AD8047
achieves –54 dBc distortion at 20 MHz and 250 MHz small sig-
nal and 130 MHz large signal bandwidths.
FUNCTIONAL BLOCK DIAGRAM
8-Pin Plastic Mini-DIP (N), Cerdip (Q)
and SO (R) Packages
1
2
3
4
8
7
6
5
AD8047/48
(Top View)
NC
–INPUT
+INPUT
–V
S
NC
+V
S
OUTPUT
NC
NC = NO CONNECT
Analog Devices, Inc., 1995
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD8048-EB | 250 MHz, General Purpose Voltage Feedback Op Amps |
| AD8048AN | 250 MHz, General Purpose Voltage Feedback Op Amps |
| AD8048AR | 250 MHz, General Purpose Voltage Feedback Op Amps |
| AD8054ARU-REEL | Low Cost, High Speed Rail-to-Rail Amplifiers |
| AD8051AR-REEL | Low Cost, High Speed Rail-to-Rail Amplifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8048AN | 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk 制造商:Rochester Electronics LLC 功能描述:G=2 STABLE V-FDBK OP AMP - Bulk |
| AD8048ANZ | 功能描述:IC OPAMP VF GP LDIST 50MA 8DIP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:73 系列:Over-The-Top® 放大器類型:通用 電路數(shù):4 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.07 V/µs 增益帶寬積:200kHz -3db帶寬:- 電流 - 輸入偏壓:1nA 電壓 - 輸入偏移:285µV 電流 - 電源:50µA 電流 - 輸出 / 通道:25mA 電壓 - 電源，單路/雙路(±):2 V ~ 44 V，±1 V ~ 22 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:16-DFN-EP（5x3） 包裝:管件 |
| AD8048AR | 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk 制造商:Analog Devices 功能描述:SEMICONDUCTORSLINEAR ((NS)) |
| AD8048AR-EBZ | 功能描述:BOARD EVAL FOR AD8048AR RoHS:是 類別:編程器，開(kāi)發(fā)系統(tǒng) >> 評(píng)估板 - 運(yùn)算放大器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- |
| AD8048AR-REEL | 制造商:Analog Devices 功能描述:OP Amp Single Volt Fdbk ±6V 8-Pin SOIC N T/R |
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