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ADA4817-1ARDZ-RL PDF预览

ADA4817-1ARDZ-RL

更新时间: 2024-11-04 12:33:51
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描述
Low Noise, 1 GHz FastFET Op Amps

ADA4817-1ARDZ-RL 数据手册

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Low Noise, 1 GHz  
FastFET Op Amps  
Data Sheet  
ADA4817-1/ADA4817-2  
FEATURES  
CONNECTION DIAGRAMS  
ADA4817-1  
High speed  
TOP VIEW  
(Not to Scale)  
−3 dB bandwidth (G = 1, RL = 100 Ω): 1050 MHz  
Slew rate: 870 V/µs  
0.1% settling time: 9 ns  
Low input bias current: 2 pA  
Low input capacitance  
PD  
FB  
1
2
3
4
8
7
6
5
+V  
S
OUT  
NC  
–IN  
+IN  
–V  
S
Common-mode capacitance: 1.3 pF  
Differential-mode capacitance: 0.1 pF  
Low noise  
NC = NO CONNECT  
Figure 1. 8-Lead LFCSP (CP-8-2)  
ADA4817-1  
4 nV/√Hz @ 100 kHz  
2.5 fA/√Hz @ 100 kHz  
TOP VIEW  
(Not to Scale)  
Low distortion  
FB  
–IN  
+IN  
1
2
3
4
8
7
6
5
PD  
+V  
−90 dBc @ 10 MHz (G = 1, RL = 1 kΩ)  
Offset voltage: 2 mV maximum  
High output current: 40 mA  
Supply current per amplifier: 19 mA  
Power-down supply current per amplifier: 1.5 mA  
S
OUT  
NC  
–V  
S
NC = NO CONNECT  
Figure 2. 8-Lead SOIC (RD-8-1)  
ADA4817-2  
APPLICATIONS  
TOP VIEW  
(Not to Scale)  
Photodiode amplifiers  
Data acquisition front ends  
Instrumentation  
Filters  
ADC drivers  
CCD output buffers  
12 –V  
11  
–IN1 1  
S1  
2
3
4
+IN1  
NC  
NC  
10  
9
+IN2  
–IN2  
–V  
S2  
NC = NO CONNECT  
Figure 3. 16-Lead LFCSP (CP-16-20)  
GENERAL DESCRIPTION  
With a wide supply voltage range from 5 V to 10 V and the  
ability to operate on either single or dual supplies, the  
ADA4817-1/ ADA4817-2 are designed to work in a variety of  
applications including active filtering and ADC driving.  
The ADA4817-1 (single) and ADA4817-2 (dual) FastFET™  
amplifiers are unity-gain stable, ultrahigh speed voltage  
feedback amplifiers with FET inputs. These amplifiers were  
developed with the Analog Devices, Inc., proprietary eXtra Fast  
Complementary Bipolar (XFCB) process, which allows the  
amplifiers to achieve ultralow noise (4 nV/√Hz; 2.5 fA/√Hz)  
as well as very high input impedances.  
The ADA4817-1 is available in a 3 mm × 3 mm, 8-lead LFCSP and  
8-lead SOIC, and the ADA4817-2 is available in a 4 mm × 4 mm,  
16-lead LFCSP. These packages feature a low distortion pinout  
that improves second harmonic distortion and simplifies circuit  
board layout. They also feature an exposed paddle that provides a  
low thermal resistance path to the printed circuit board (PCB).  
This enables more efficient heat transfer and increases reliability.  
These products are rated to work over the extended industrial  
temperature range (−40°C to +105°C).  
With 1.3 pF of input capacitance, low noise (4 nV/√Hz), low  
offset voltage (2 mV maximum), and 1050 MHz −3 dB band-  
width, the ADA4817-1/ADA4871-2 are ideal for data acquisition  
front ends as well as wideband transimpedance applications,  
such as photodiode preamps.  
Rev. B  
Document Feedback  
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  
rightsof third parties that may result fromits 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 andregisteredtrademarks 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 ©2008–2013 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 

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