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AD8040

更新时间： 2024-10-27 22:53:31
品牌 Logo 应用领域
亚德诺 - ADI 放大器
页数 文件大小 规格书
20页 883K
描述
Low Power, High Speed Rail-to-Rail Input/Output Amplifier

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AD8040 数据手册

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Low Power, High Speed  
Rail-to-Rail Input/Output Amplifier  
AD8029/AD8030/AD8040  
CONNECTION DIAGRAMS  
FEATURES  
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  
V
S
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 max  
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
13 –IN 4  
12 +IN 4  
+IN 1  
3
4
5
6
7
+V  
S
11  
V
1
1
8
7
6
5
–V  
+V  
+V  
OUT  
S
S
+IN 2  
–IN 2  
10  
–IN 1  
+IN 1  
2
3
4
+IN 3  
2
OUT  
9
8
–IN 3  
–IN 2  
+IN 2  
APPLICATIONS  
Battery-powered instrumentation  
Filters  
–V  
S
V
2
V
3
OUT  
OUT  
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. ADI’s proprietary XFCB process enables high  
speed and high performance on low power.  
powered systems with large bandwidth requirements to high  
speed systems where component density requires lower power  
dissipation.  
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 A/D converters.  
1.0  
G = +1  
V
R
= +5V  
0.5  
0
S
The versatility of the AD8029/AD8030/AD8040 allows the user  
to operate the amplifiers on a wide range of supplies while  
consuming less than 6.5 mW of power. These features extend  
the operation time in applications ranging from battery-  
= 1kΩ TIED TO MIDSUPPLY  
1µs/DIV  
L
TIME (µs)  
03679-A-010  
Figure 5. Rail-to-Rail Response  
Rev. A  
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: 781.326.8703  
www.analog.com  
© 2003 Analog Devices, Inc. All rights reserved.  
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