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| 型號： | AD8337BCPZ-WP |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/32頁 |
| 文件大小： | 0K |
| 描述： | IC AMP VGA DC-COUPLED GP 8-LFCSP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 系列： | X-AMP® |
| 類型： | 可變增益放大器 |
| 應(yīng)用： | 信號處理 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-VFDFN 裸露焊盤，CSP |
| 供應(yīng)商設(shè)備封裝： | 8-LFCSP-VD（3x3） |
| 包裝： | 托盤 - 晶粒 |
| 產(chǎn)品目錄頁面： | 775 (CN2011-ZH PDF) |
| 配用： | AD8337-EVALZ-SS-ND - BOARD EVALUATION FOR AD8337 SS AD8337-EVALZ-INV-ND - BOARD EVALUATION FOR AD8337 INS AD8337-EVALZ-ND - BOARD EVALUATION FOR AD8337 |
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General-Purpose, Low Cost,
DC-Coupled VGA
AD8337
Rev. C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
2005–2008 Analog Devices, Inc. All rights reserved.
FEATURES
Low noise
Voltage noise = 2.2 nV/√Hz
Current noise = 4.8 pA/√Hz (positive input)
Wide bandwidth (3 dB) = 280 MHz
Nominal gain range: 0 dB to 24 dB (preamp gain = 6 dB)
Gain scaling: 19.7 dB/V
DC-coupled
Single-ended input and output
High speed uncommitted op amp input
Supplies: +5 V, ±2.5 V, or ±5 V
Low power: 78 mW with ±2.5 V supplies
APPLICATIONS
Gain trim
PET scanners
High performance AGC systems
I/Q signal processing
Video
Industrial and medical ultrasound
Radar receivers
FUNCTIONAL BLOCK DIAGRAM
VOUT
GAIN
INPP
2
3
5
PRAO
1
INPN
VCOM
+
–
7
AD8337
EIGHT SECTIONS
6
VNEG
VPOS
8
GAIN CONTROL
INTERFACE
8
18dB
PREAMP
(PrA)
4
05
57
5-
0
01
Figure 1.
GENERAL DESCRIPTION
The AD8337 is a low noise, single-ended, linear-in-dB, general-
purpose variable gain amplifier (VGA) usable at frequencies
from dc to 100 MHz; the 3 dB bandwidth is 280 MHz.
Excellent bandwidth uniformity across the entire gain range
and low output-referred noise makes the AD8337 ideal for
gain trim applications and for driving high speed analog-to-
digital converters (ADCs).
Excellent dc characteristics combined with high speed make the
AD8337 particularly suited for industrial ultrasound, PET
scanners, and video applications. Dual-supply operation enables
gain control of negative-going pulses, such as those generated
by photodiodes or photomultiplier tubes.
The AD8337 uses the popular and versatile X-AMP architecture,
exclusively from Analog Devices, Inc., with a gain range of 24 dB.
The gain control interface provides precise linear-in-dB scaling
of 19.7 dB/V, referenced to VCOM.
The AD8337 includes an uncommitted operational current-
feedback preamplifier (PrA) that operates in inverting or
noninverting configurations. Using external resistors, the device
can be configured for gains of 6 dB or greater. The AD8337 is
characterized by a noninverting PrA gain of 2× using two external
100 Ω resistors. The attenuator has a range of 24 dB, and the
output amplifier has a fixed gain of 8× (18.06 dB). The lowest
nominal gain range is 0 dB to 24 dB and can be shifted up or down
by adjusting the preamp gain. Multiple AD8337 devices can be
connected in series for larger gain ranges, interstage filtering to
suppress noise and distortion, and nulling offset voltages.
The operating temperature range of the AD8337 is 40°C to
+85°C, and is available in an 8-lead, 3 mm × 3 mm LFCSP.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8337-EVAL-INV | 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述: |
| AD8337-EVAL-SS | 制造商:Analog Devices 功能描述: |
| AD8337-EVALZ | 功能描述:BOARD EVALUATION FOR AD8337 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運(yùn)算放大器 系列:X-AMP® 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:- |
| AD8337-EVALZ-INV | 功能描述:BOARD EVALUATION FOR AD8337 INS RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運(yùn)算放大器 系列:X-AMP® 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:- |
| AD8337-EVALZ-SS | 功能描述:BOARD EVALUATION FOR AD8337 SS RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估板 - 運(yùn)算放大器 系列:X-AMP® 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:- |
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