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AD8397ARZ-REEL7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
Rail-to-Rail, High Output
Current Amplifier
AD8397
Rev. A
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rights of third parties that may result from its use. Specifications subject to change without notice. No
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Tel: 781.329.4700 www.analog.com
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FEATURES
Dual operational amplifier
Voltage feedback
Wide supply range from 3 V to 24 V
Rail-to-rail output
Output swing to within 0.5 V of supply rails
High linear output current
310 mA peak into 32 Ω on ±12 V supplies while maintaining
−80 dBc SFDR
Low noise
4.5 nV/√Hz voltage noise density at 100 kHz
1.5 pA/√Hz current noise density at 100 kHz
High speed
69 MHz bandwidth (G = 1, −3 dB)
53 V/μs slew rate (R
LOAD
= 25 Ω)
APPLICATIONS
Twisted-pair line drivers
Audio applications
General-purpose ac applications
GENERAL DESCRIPTION
The AD8397 comprises two voltage feedback operational amplifiers
capable of driving heavy loads with excellent linearity. The
common-emitter, rail-to-rail output stage surpasses the output
voltage capability of typical emitter-follower output stages and
can swing to within 0.5 V of either rail while driving a 25 Ω
load. The low distortion, high output current, and wide output
dynamic range make the AD8397 ideal for applications that
require a large signal swing into a heavy load.
Fabricated with Analog Devices, Inc., high speed extra fast
complementary bipolar high voltage (XFCB-HV) process, the
high bandwidth and fast slew rate of the AD8397 keep distortion to
a minimum. The AD8397 is available in a standard 8-lead SOIC_N
package and, for higher power dissipating applications, a thermally
enhanced 8-lead SOIC_N_EP package. Both packages can operate
from −40°C to +85°C.
PIN CONFIGURATION
OUT1
1
–IN1
2
+IN1
3
–V
S
4
+V
S
OUT2
–IN2
+IN2
8
7
6
5
05069-001
Figure 1. 8-Lead SOIC
1.50
–1.50
–1.25
–1.00
–0.75
–0.50
–0.25
0
0.25
0.50
0.75
1.00
1.25
0 2 4 6 8 101214161820
05069-031
TIME (µs)
V
OUT
(V)
Figure 2. Output Swing, V
S
= ±1.5 V, R
L
= 25 Ω
12
–12
–9
–6
–3
0
3
6
9
0 2 4 6 8 101214161820
05069-032
TIME (µs)
V
OUT
(V)
Figure 3. Output Swing, V
S
= ±12 V, R
L
= 100 Ω
AD8397* PRODUCT PAGE QUICK LINKS
Last Content Update: 02/23/2017
COMPARABLE PARTS
View a parametric search of comparable parts.
EVALUATION KITS
• Universal Evaluation Board for Dual High Speed
Operational Amplifiers
DOCUMENTATION
Application Notes
• AN-1429: Design Considerations and Solutions for
Headphone Drivers in Mobile Phones
• AN-1439: One-Stage Amplifier Design Consideration of a
High Fidelity System
• AN-402: Replacing Output Clamping Op Amps with Input
Clamping Amps
• AN-417: Fast Rail-to-Rail Operational Amplifiers Ease
Design Constraints in Low Voltage High Speed Systems
• AN-581: Biasing and Decoupling Op Amps in Single
Supply Applications
Data Sheet
• AD8397: Rail-to-Rail, High Output Current Amplifier Data
Sheet
User Guides
• UG-128: Universal Evaluation Board for Dual High Speed
Op Amps in SOIC Packages
TOOLS AND SIMULATIONS
• Analog Filter Wizard
• Analog Photodiode Wizard
• Power Dissipation vs Die Temp
• VRMS/dBm/dBu/dBV calculators
• AD8397 SPICE Macro Model
REFERENCE DESIGNS
• CN0276
• CN0317
REFERENCE MATERIALS
Product Selection Guide
• High Speed Amplifiers Selection Table
Tutorials
• MT-032: Ideal Voltage Feedback (VFB) Op Amp
• MT-033: Voltage Feedback Op Amp Gain and Bandwidth
• MT-047: Op Amp Noise
• MT-048: Op Amp Noise Relationships: 1/f Noise, RMS
Noise, and Equivalent Noise Bandwidth
• MT-049: Op Amp Total Output Noise Calculations for
Single-Pole System
• MT-050: Op Amp Total Output Noise Calculations for
Second-Order System
• MT-052: Op Amp Noise Figure: Don't Be Misled
• MT-053: Op Amp Distortion: HD, THD, THD + N, IMD,
SFDR, MTPR
• MT-056: High Speed Voltage Feedback Op Amps
• MT-058: Effects of Feedback Capacitance on VFB and CFB
Op Amps
• MT-060: Choosing Between Voltage Feedback and
Current Feedback Op Amps
DESIGN RESOURCES
• AD8397 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints
DISCUSSIONS
View all AD8397 EngineerZone Discussions.
SAMPLE AND BUY
Visit the product page to see pricing options.
TECHNICAL SUPPORT
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number.
DOCUMENT FEEDBACK
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AD8397
Rev. A | Page 2 of 16
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description......................................................................... 1
Pin Configuration............................................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 7
Maximum Power Dissipation ..................................................... 7
ESD Caution.................................................................................. 7
Typical Performance Characteristics ..............................................8
Applications Information.............................................................. 11
Power Supply and Decoupling.................................................. 11
Layout Considerations............................................................... 11
Unity-Gain Output Swing......................................................... 11
Capacitive Load Drive ............................................................... 12
Outline Dimensions ....................................................................... 13
Ordering Guide .......................................................................... 13
REVISION HISTORY
5/11—Rev. 0 to Rev. A
Changes to Applications Section and General Description
Section................................................................................................ 1
Changed Maximum Output Current Parameter to Peak AC
Output Current Parameter, Table 1................................................ 3
Added Note 1 and Note 2, Table 1.................................................. 3
Changed Maximum Output Current Parameter to Peak AC
Output Current Parameter, Table 2................................................ 4
Added Note 1 and Note 2, Table 2.................................................. 4
Changed Maximum Output Current Parameter to Peak AC
Output Current Parameter, Table 3................................................ 5
Added Note 1 and Note 2, Table 3.................................................. 5
Changed Maximum Output Current Parameter to Peak AC
Output Current Parameter, Table 4................................................ 6
Added Note 1 and Note 2, Table 4.................................................. 6
Changes to Figure 4.......................................................................... 7
Changed General Description Section to Applications
Information Section ....................................................................... 11
Updated Outline Dimensions....................................................... 13
1/05—Revision 0: Initial Version
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

AD8397ARZ-REEL7

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Description:
High Speed Operational Amplifiers RR Hi Output Current
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