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| 型號： | AD8337-EVALZ-INV |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 1/32頁 |
| 文件大小： | 0K |
| 描述： | BOARD EVALUATION FOR AD8337 INS |
| 標準包裝： | 1 |
| 系列： | X-AMP® |
| 每 IC 通道數： | 1 - 單 |
| 放大器類型： | 電壓反饋 |
| 輸出類型： | 單端 |
| 轉換速率： | 625 V/µs |
| -3db帶寬： | 280MHz |
| 工作溫度： | -40°C ~ 85°C |
| 電流供應（主 IC）： | 18.5mA |
| 電壓 - 電源，單路/雙路(±)： | ±2.5 V ~ 5 V |
| 板類型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | AD8337 |
| 相關產品： | AD8337BCPZ-REEL7-ND - IC AMP VGA LOW NOISE 8-LFCSP AD8337BCPZ-REEL-ND - IC AMP VGA LOW NOISE 8-LFCSP AD8337BCPZ-WP-ND - IC AMP VGA DC-COUPLED GP 8-LFCSP AD8337BCPZ-R2DKR-ND - IC AMP VGA LOW NOISE 8-LFCSP AD8337BCPZ-R2CT-ND - IC AMP VGA LOW NOISE 8-LFCSP AD8337BCPZ-R2TR-ND - IC AMP VGA LOW NOISE 8-LFCSP |
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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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相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8337-EVALZ-SS | 功能描述:BOARD EVALUATION FOR AD8337 SS RoHS:是 類別:編程器，開發系統 >> 評估板 - 運算放大器 系列:X-AMP® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- |
| AD8338 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Low Power, 18 MHz Variable Gain Amplifier |
| AD8338ACPZ-R7 | 功能描述:特殊用途放大器 Ultra Low Pwr 18MHz SGL CH VGA RoHS:否 制造商:Analog Devices 通道數量:Single 共模抑制比（最小值）: 輸入補償電壓: 工作電源電壓:5 V 電源電流:133 mA 最大功率耗散:900 mW 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:TSSOP-28 封裝:Reel |
| AD8338ACPZ-RL | 制造商:Analog Devices 功能描述:AMPLIFIER - SPECIAL PURPOSE |
| AD8338-EVALZ | 功能描述:AD8338 1 - Single Channels per IC Variable Gain Amplifier Evaluation Board 制造商:analog devices inc. 系列:- 零件狀態:有效 每 IC 通道數:1 - 單 放大器類型:可變增益 輸出類型:差分 壓擺率:50 V/μs -3db 帶寬:18MHz 電流 - 輸出/通道:- 工作溫度:-40°C ~ 85°C 電流 - 電源（主 IC）:- 電壓 - 電源，單/雙（±）:3.5 V ~ 5 V 板類型:完全填充 所含物品:板 使用的 IC/零件:AD8338 標準包裝:1 |
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