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AD8040AR-EBZ

更新时间： 2024-11-29 12:27:19
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亚德诺 - ADI 放大器
页数 文件大小 规格书
24页 728K
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Low Power, High Speed Rail-to-Rail Input/Output Amplifier

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Low Power, High Speed  
Rail-to-Rail Input/Output Amplifier  
Data Sheet  
AD8029/AD8030/AD8040  
FEATURES  
CONNECTION DIAGRAMS  
Qualified for automotive applications  
Low power: 1.3 mA supply current/amplifier  
High speed  
125 MHz, –3 dB bandwidth (G = +1)  
60 V/µs slew rate  
NC  
–IN  
+IN  
1
2
3
4
8
7
6
5
DISABLE  
V
1
2
3
6
5
4
+V  
S
OUT  
+V  
S
V
OUT  
–V  
S
DISABLE  
–IN  
+
–
–V  
S
NC  
+IN  
NC = NO CONNECT  
80 ns settling time to 0.1%  
Rail-to-rail input and output  
No phase reversal, inputs 200 mV beyond rails  
Wide supply range: 2.7 V to 12 V  
Offset voltage: 6 mV maximum  
Low input bias current  
+0.7 µA to –1.5 µA  
Small packaging  
SOIC-8, SC70-6, SOT23-8, SOIC-14, TSSOP-14  
Figure 1. SOIC-8 (R)  
Figure 2. SC70-6 (KS)  
V
1
1
14  
V
OUT  
4
OUT  
–IN 1  
2
3
4
5
6
7
13 –IN 4  
12 +IN 4  
+IN 1  
+V  
S
11  
10  
9
V
1
1
2
3
4
8
7
6
5
–V  
S
+V  
+V  
OUT  
S
+IN 2  
–IN 2  
–IN 1  
+IN 1  
+IN 3  
–IN 3  
2
OUT  
–IN 2  
+IN 2  
APPLICATIONS  
V
2
8
V
3
OUT  
–V  
S
OUT  
Automotive safety and vision systems  
Battery-powered instrumentation  
Filters  
Figure 3. SOIC-8 (R) and  
SOT23-8 (RJ)  
Figure 4. SOIC-14 (R) and  
TSSOP-14 (RU)  
A-to-D drivers  
Buffering  
GENERAL DESCRIPTION  
The AD8029 (single), AD8030 (dual), and AD8040 (quad) are  
rail-to-rail input and output high speed amplifiers with a quiescent  
current of only 1.3 mA per amplifier. Despite their low power  
consumption, the amplifiers provide excellent performance with  
125 MHz small signal bandwidth and 60 V/µs slew rate. Analog  
Devices, Inc., proprietary XFCB process enables high speed and  
high performance on low power.  
systems where component density requires lower power  
dissipation. The AD8040W is an automotive grade version,  
qualified for automotive applications.  
The AD8029/AD8030 are the only low power, rail-to-rail input  
and output high speed amplifiers available in SOT23 and SC70  
micro packages. The amplifiers are rated over the extended  
industrial temperature range, –40°C to +125°C.  
This family of amplifiers exhibits true single-supply operation  
with rail-to-rail input and output performance for supply voltages  
ranging from 2.7 V to 12 V. The input voltage range extends  
200 mV beyond each rail without phase reversal. The dynamic  
range of the output extends to within 40 mV of each rail.  
5.0  
INPUT  
4.5  
OUTPUT  
4.0  
3.5  
3.0  
2.5  
2.0  
1.5  
The AD8029/AD8030/AD8040 provide excellent signal quality  
with minimal power dissipation. At G = +1, SFDR is –72 dBc at  
1 MHz and settling time to 0.1% is only 80 ns. Low distortion  
and fast settling performance make these amplifiers suitable  
drivers for single-supply analog-to-digital converters.  
1.0  
G = +1  
The versatility of the AD8029/AD8030/AD8040 allows the user  
to operate the amplifiers on a wide range of supplies while con-  
suming less than 6.5 mW of power. These features extend the  
operation time in applications ranging from battery-powered  
systems with large bandwidth requirements to high speed  
V
R
= +5V  
0.5  
0
S
= 1kΩ TIED TO MIDSUPPLY  
1µs/DIV  
L
TIME (µs)  
03679-A-010  
Figure 5. Rail-to-Rail Response  
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  
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 ©2003–2012 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 
 
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