AD8398ACPZ-RL Analog Devices Inc, AD8398ACPZ-RL Datasheet

Dual Wideband Hi Output Current OpAmp

AD8398ACPZ-RL

Manufacturer Part Number
AD8398ACPZ-RL
Description
Dual Wideband Hi Output Current OpAmp
Manufacturer
Analog Devices Inc
Type
Driverr
Datasheet

Specifications of AD8398ACPZ-RL

Number Of Drivers/receivers
2/0
Protocol
xDSL
Voltage - Supply
12V
Mounting Type
Surface Mount
Package / Case
16-LFCSP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
FEATURES
Voltage feedback
Wide output swing
High output current
Low distortion
High speed
APPLICATIONS
ADSL2+/VDSL2 CO/CPE line drivers
PLC line drivers
Consumer xDSL modems
Twisted pair line drivers
GENERAL DESCRIPTION
The AD8398A comprises two high speed, voltage feedback
operational amplifiers. When configured as a differential line
driver, the AD8398A is an ideal choice for ADSL2+, VDSL2, and
power line communications (PLC) applications. It has high
output current, high bandwidth, and fast slew rate, combined
with exceptional multitone power ratio (MTPR) and common-
mode stability. The AD8398A is available in a thermally enhanced
4 mm × 4 mm, 16-lead LFCSP.
Rev. D
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.
18.4 V p-p differential, R
Linear output current of 450 mA peak
−65 dBc for Profile 8b @ 20.4 dBm
−55 dBc for Profile 17a @ 14.5 dBm
85 MHz bandwidth (A
V DIFF
LOAD, DIFF
= 5)
= 20 Ω from 12 V supply
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
The AD8398A incorporates power management functionality
via two CMOS-compatible control pins, PD0 and PD1. These
pins select one of four operating modes: full power, medium
power, low power, or complete power-down. In the power-down
mode, the quiescent current drops to 0.7 mA.
The AD8398A operates in the industrial temperature range of
−40°C to +85°C.
Figure 1. Thermally Enhanced, 4 mm × 4 mm, 16-Lead LFCSP_WQ
*V
V
MID
Line Driver with Shutdown
MID
*
TYPICAL APPLICATION DIAGRAM
=
FUNCTIONAL BLOCK DIAGRAM
V
CC
+
2
−IN A
+IN A
GND
V
NC = NO CONNECT
Figure 2. Typical VDSL2 Application
©2008–2010 Analog Devices, Inc. All rights reserved.
NC
EE
1
2
3
4
1/2
1/2
AD8398A
AD8398A
+
Single Port VDSL2
+
12 NC
11 −IN B
10 +IN B
9 PD1
AD8398A
www.analog.com
TIP
RING

Related parts for AD8398ACPZ-RL

AD8398ACPZ-RL Summary of contents

Page 1

FEATURES Voltage feedback Wide output swing 18.4 V p-p differential Ω from 12 V supply LOAD, DIFF High output current Linear output current of 450 mA peak Low distortion −65 dBc for Profile 8b @ 20.4 dBm ...

Page 2

AD8398A TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 Typical Application Diagram .......................................................... 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 Thermal Resistance ...................................................................... 4 Maximum Power Dissipation ...

Page 3

SPECIFICATIONS ± 25° DIFF Table 1. Parameter DYNAMIC PERFORMANCE −3 dB Bandwidth Slew Rate NOISE/DISTORTION PERFORMANCE MTPR Off Isolation Input Voltage Noise Input Current Noise ...

Page 4

AD8398A ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Power Supplies (V − Power Dissipation Storage Temperature Range Operating Temperature Range Lead Temperature (Soldering, 10 sec) Junction Temperature Stresses above those listed under Absolute Maximum Ratings may cause ...

Page 5

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic 12 − + GND PD0 9 PD1 10 + −IN B ...

Page 6

AD8398A TYPICAL PERFORMANCE CHARACTERISTICS −6 V, unless otherwise stated DIFFERENTIAL COMMON-MODE 0 –3 –6 PD1 = 0, PD0 = 0 PD1 = 0, PD0 = ...

Page 7

VDSL2 PROFILE 17a VDSL2 PROFILE 8b PD1 = 0, PD0 = 0 PD1 = 0, PD0 = 1 600 500 400 OUTPUT POWER (dBm) Figure 11. Internal Power Dissipation vs. Output Power ...

Page 8

AD8398A APPLICATIONS INFORMATION POWER CONTROL MODES OF OPERATION The AD8398A features four power modes: full power, medium power, low power, and complete power-down. Two CMOS- compatible logic pins (PD0 and PD1) select the power mode. The power modes and associated ...

Page 9

MULTITONE POWER RATIO The discrete multitone (DMT) signal used in xDSL systems carries data in discrete tones or bins that appear in the frequency domain in evenly spaced 4.3125 kHz intervals. In applications using this type of waveform, multitone power ...

Page 10

AD8398A OUTLINE DIMENSIONS PIN 1 INDICATOR 0.80 0.75 0.70 SEATING PLANE ORDERING GUIDE 1 Model Temperature Range AD8398AACPZ-R2 −40°C to +85°C AD8398AACPZ-R7 −40°C to +85°C AD8398AACPZ-RL −40°C to +85° RoHS Compliant Part. 4.10 0.35 4.00 SQ 0.30 ...

Page 11

NOTES Rev Page AD8398A ...

Page 12

AD8398A NOTES ©2008–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07760-0-9/10(D) Rev Page ...

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