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參數資料
| 型號： | ADA4937-1 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Ultralow Distortion, Differential ADC Driver |
| 中文描述： | 超低失真差分ADC驅動器 |
| 文件頁數： | 1/28頁 |
| 文件大小： | 448K |
| 代理商： | ADA4937-1 |
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Ultralow Distortion,
Differential ADC Driver
ADA4937-1
FEATURES
Rev. 0
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
2007 Analog Devices, Inc. All rights reserved.
www.analog.com
Extremely low harmonic distortion
112 dBc HD2 @ 10 MHz
79 dBc HD2 @ 70 MHz
70 dBc HD2 @ 100 MHz
102 dBc HD3 @ 10 MHz
91 dBc HD3 @ 70 MHz
84 dBc HD3 @ 100 MHz
Low input voltage noise: 2.2 nV/√Hz
High speed
3 dB bandwidth of 1.9 GHz, G = 1
Slew rate: 6000 V/μs, 25% to 75%
0.1 dB gain flatness to 200 MHz
Fast overdrive recovery of 1 ns
1 mV typical offset voltage
Externally adjustable gain
Differential-to-differential or single-ended-to-differential
operation
Adjustable output common-mode voltage
Single-supply operation: 3.3 V to 5 V
Pb-free, 3 mm × 3 mm 16-lead LFCSP
APPLICATIONS
ADC drivers
Single-ended-to-differential converters
IF and baseband gain blocks
Differential buffers
Line drivers
FUNCTIONAL BLOCK DIAGRAM
0
1
2
3
4
–FB
+IN
–IN
+FB
11 –OUT
10 +OUT
9
V
OCM
12 PD
5
+
S
6
+
S
Figure 1.
7
+
S
8
+
S
1
S
1
S
1
S
1
S
ADA4937-1
–55
–60
–65
–70
–75
–80
–85
–90
–95
–100
–105
–110
–115
1
10
10
D
FREQUENCY (MHz)
0
HD2, V
S
= 5.0V
HD3, V
S
= 5.0V
HD2, V
S
= 3.3V
HD3, V
S
= 3.3V
0
Figure 2. Harmonic Distortion vs. Frequency
GENERAL DESCRIPTION
The ADA4937-1 is a low noise, ultralow distortion, high speed
differential amplifier. It is an ideal choice for driving high
performance ADCs with resolutions up to 16 bits from dc to
100 MHz. The adjustable level of the output common mode
allows the ADA4937-1 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.
With the ADA4937-1, differential gain configurations are easily
realized with a simple external feedback network of four
resistors determining the closed-loop gain of the amplifier.
The ADA4937-1 is fabricated using Analog Devices, Inc.
proprietary silicon-germanium (SiGe), complementary bipolar
process, enabling it to achieve very low levels of distortion with
an input voltage noise of only 2.2 nV/√Hz. The low dc offset
and excellent dynamic performance of the ADA4937-1 make it
well suited for a wide variety of data acquisition and signal
processing applications.
The ADA4937-1 is available in a Pb-free, 3 mm × 3 mm 16-lead
LFCSP. The pinout has been optimized to facilitate PCB layout
and minimize distortion. The part is specified to operate over
the 40°C to +105°C temperature range for 3.3 V supplies and
the 40°C to +85°C temperature range for 5 V supplies.
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相關代理商/技術參數 |
參數描述 |
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| ADA4937-1_07 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Ultralow Distortion, Differential ADC Driver |
| ADA4937-1YCP-EBZ | 功能描述:BOARD EVAL FOR ADA4937-1YCP RoHS:是 類別:編程器，開發系統 >> 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:- |
| ADA4937-1YCPZ-R2 | 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single 5.25V 16-Pin LFCSP EP T/R 制造商:Analog Devices 功能描述:SP AMP DIFF AMP SGL 5.25V 16LFCSP EP - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Analog Devices 功能描述:SP Amp DIFF AMP Single 5.25V 16-Pin LFCSP EP Tape & Reel 制造商:Analog Devices 功能描述:IC ADC DRIVERDIFF16LFCSP 制造商:Analog Devices 功能描述:OP Amp Differential ADC Driver LFCSP16 |
| ADA4937-1YCPZ-R2 | 制造商:Analog Devices 功能描述:IC DIFF AMP 1.9GHZ 6000V/S LFCSP-16 |
| ADA4937-1YCPZ-R7 | 功能描述:IC ADC DRIVER DIFF 16-LFCSP 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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