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AD8029_12 View Datasheet(PDF) - Analog Devices

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Data Sheet
Low Power, High Speed
Rail-to-Rail Input/Output Amplifier
AD8029/AD8030/AD8040
FEATURES
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
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
APPLICATIONS
Automotive safety and vision systems
Battery-powered instrumentation
Filters
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.
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.
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.
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
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.
CONNECTION DIAGRAMS
NC 1
–IN 2
+IN 3
–VS 4
8 DISABLE
7 +VS
6 VOUT
5 NC
NC = NO CONNECT
VOUT 1
6 +VS
–VS 2
+–
5 DISABLE
+IN 3
4 –IN
Figure 1. SOIC-8 (R)
Figure 2. SC70-6 (KS)
VOUT 1 1
–IN 1 2
+IN 1 3
–VS 4
8 +VS
7 +VOUT 2
6 –IN 2
5 +IN 2
Figure 3. SOIC-8 (R) and
SOT23-8 (RJ)
VOUT 1 1
–IN 1 2
+IN 1 3
+VS 4
+IN 2 5
–IN 2 6
VOUT 2 7
14 VOUT 4
13 –IN 4
12 +IN 4
11 –VS
10 +IN 3
9 –IN 3
8 VOUT 3
Figure 4. SOIC-14 (R) and
TSSOP-14 (RU)
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.
5.0
INPUT
4.5
OUTPUT
4.0
3.5
3.0
2.5
2.0
1.5
1.0
G = +1
0.5 VS = +5V
RL = 1kTIED TO MIDSUPPLY
0
TIME (µs)
Figure 5. Rail-to-Rail Response
1µs/DIV
03679-A-010
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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