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參數資料
| 型號： | ADA4938-1 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Ultra-Low Distortion Differential ADC Driver |
| 中文描述： | 超低失真差分ADC驅動器 |
| 文件頁數： | 1/9頁 |
| 文件大小： | 194K |
| 代理商： | ADA4938-1 |
Ultra-Low Distortion
Differential ADC Driver
ADA4938-1
Preliminary Technical Data
FEATURES
Rev. PrA
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 that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarks and registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
2006 Analog Devices, Inc. All rights reserved.
www.analog.com
Extremely low harmonic distortion
108 dBc HD2 @ 10 MHz
79 dBc HD2 @ 70 MHz
125 dBc HD3 @ 10 MHz
87 dBc HD3 @ 70 MHz
Low input voltage noise: 2.2 nV/√Hz
High speed
3 dB bandwidth of 1.5 GHz, G = 1
Slew rate: 4700 V/μs
0.1 dB gain flatness to 125 MHz
Fast settling to 0.01% in 8.5 ns
Fast overdrive recovery of 4 ns
1 mV typical offset voltage
Externally adjustable gain
Differential to differential or single-ended to differential
operation
Adjustable output common-mode voltage
Wide Supply Voltage Range: +5 V & ± 5 V
Pb-free 3 mm x 3 mm LFCSP package
APPLICATIONS
ADC drivers
Single-ended-to-differential converters
IF and baseband gain blocks
Differential buffers
Line drivers
GENERAL DESCRIPTION
The ADA4938-1 is a low noise, ultra-low distortion, high speed
differential amplifier. It is an ideal choice for driving high
performance ADCs with resolutions up to 16 bits from dc to 70
MHz. The output common mode voltage is adjustable over a
wide range, allowing the ADA4938-1 to match the input of the
ADC. The internal common mode feedback loop also provides
exceptional output balance as well as suppression of even-order
harmonic distortion products.
Full differential and single-ended to differential gain
configurations are easily realized with the ADA4938-1. A
simple external feedback network of four resistors determines
the amplifier’s closed-loop gain.
FUNCTIONAL BLOCK DIAGRAM
Figure 1.
The ADA4938-1 is fabricated using ADI’s proprietary third
generation high-voltage XFCB process, enabling it to achieve
very low levels of distortion with input voltage noise of only 2.2
nV/√Hz. The low dc offset and excellent dynamic performance
of the ADA4938-1 make it well suited for a wide variety of data
acquisition and signal processing and applications.
The ADA4938-1 is available in a Pb-free, 3 mm x 3mm lead
frame chip scale package (LFCSP). It is specified to operate
over the extended industrial temperature range of 40°C to
+85°C.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADA4938-1_06 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultra-Low Distortion Differential ADC Driver |
| ADA4938-1_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultra-Low Distortion Differential ADC Driver |
| ADA4938-1ACPZ-R2 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single ±5.5V/11V 16-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:SP AMP DIFF AMP SGL 5.5V/11V 16LFCSP EP - Tape and Reel 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single }5.5V/11V 16-Pin LFCSP EP Tape & Reel 制造商:Analog Devices 功能描述:IC AMP DIFFADCDR16BIT16LFCSP |
| ADA4938-1ACPZ-R2 | 制造商:Analog Devices 功能描述:IC DIFF AMP 1GHZ 4700V/S LFCSP-16 |
| ADA4938-1ACPZ-R7 | 功能描述:IC AMP DIFF ADC DR 16BIT 16LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
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