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ADA4856-3 の電気的特性と機能

ADA4856-3のメーカーはAnalog Devicesです、この部品の機能は「Rail-to-Rail Output Video Amplifier」です。


製品の詳細 ( Datasheet PDF )

部品番号 ADA4856-3
部品説明 Rail-to-Rail Output Video Amplifier
メーカ Analog Devices
ロゴ Analog Devices ロゴ 




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ADA4856-3 Datasheet, ADA4856-3 PDF,ピン配置, 機能
Data Sheet
Single-Supply, High Speed, Fixed G = +2,
Rail-to-Rail Output Video Amplifier
ADA4856-3
FEATURES
Voltage feedback architecture
Rail-to-rail output swing: 0.1 V to 4.9 V
High speed amplifier
−3 dB bandwidth: 225 MHz
0.1 dB flatness at 2 V p-p: 74 MHz
Slew rate: 800 V/μs
Settling time to 0.1% with 2 V step: 5 ns
High input common-mode voltage range
−VS − 0.2 V to +VS − 1 V
Supply range: 3 V to 5.5 V
Differential gain error: 0.01%
Differential phase error: 0.01°
Low power
7.8 mA/amplifier typical supply current
Power-down feature
Available in 16-lead LFCSP
APPLICATIONS
Professional video
Consumer video
Imaging
Instrumentation
Base stations
Active filters
Buffers
GENERAL DESCRIPTION
The ADA4856-3 (triple) is a fixed gain of +2, single-supply, rail-
to-rail output video amplifier. It provides excellent video
performance with 225 MHz, −3 dB bandwidth, 800 V/μs slew rate,
and 74 MHz, 0.1 dB flatness into a 150 Ω load. It has a wide
input common-mode voltage range that extends 0.2 V below
ground and 1 V below the positive rail. In addition, the output
voltage swings within 200 mV of either supply, making this video
amplifier easy to use on single-supply voltages as low as 3.3 V.
The ADA4856-3 offers a typical low power of 7.8 mA per amplifier,
while being capable of delivering up to 52 mA of load current.
It also features a power-down function for power sensitive
applications that reduces the supply current to 1 mA.
The ADA4856-3 is available in a 16-lead LFCSP and is designed
to work over the extended industrial temperature range of
−40°C to +105°C.
CONNECTION DIAGRAM
16 15 14 13
NC 1
+IN2 2
NC 3
PD 4
ADA4856-3
12 +VS
11 OUT2
10 –IN2
9 +VS
5 6 78
NOTES
1. NC = NO CONNECT.
2. EXPOSED PAD CONNECTED TO –VS.
Figure 1.
7 VS = 5V, VOUT = 1.4V p-p VS = 3.3V, VOUT = 1.4V p-p
6
VS = 3.3V, VOUT = 2V p-p
5
VS = 5V, VOUT = 2V p-p
4
3
2
1
RL = 150
0
1
10 100
FREQUENCY (MHz)
Figure 2. Large Signal Frequency Response
1000
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2008–2013 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com

1 Page





ADA4856-3 pdf, ピン配列
ADA4856-3
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Connection Diagram ....................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
5 V Operation ............................................................................... 3
3.3 V Operation ............................................................................ 4
Absolute Maximum Ratings............................................................ 5
Thermal Resistance ...................................................................... 5
Maximum Power Dissipation ..................................................... 5
ESD Caution.................................................................................. 5
Pin Configuration and Function Descriptions............................. 6
Typical Performance Characteristics ............................................. 7
REVISION HISTORY
3/13—Rev. A to Rev. B
Changed Package from CP-16-14 to CP-16-23 (Throughout)....1
Updated Outline Dimensions ........................................................17
Changes to Ordering Guide .............................................................7
1/09—Rev. 0 to Rev. A
Changes to Figure 9...........................................................................7
Changes to Figure 13, Figure 15, and Figure 16 ............................8
Added Figure 17 and Figure 20; Renumbered Sequentially ........9
10/08—Revision 0: Initial Version
Data Sheet
Theory of Operation ...................................................................... 12
Applications Information .............................................................. 13
Using the ADA4856-3 in Gains Equal to +1, −1........................ 13
Using the ADA4856-3 in Gains Equal to +3, +4, and +5 ..... 14
20 MHz Active Low-Pass Filter ................................................ 15
Video Line Driver....................................................................... 15
Single-Supply Operation ........................................................... 16
Power Down................................................................................ 16
Layout Considerations............................................................... 16
Power Supply Bypassing ............................................................ 16
Outline Dimensions ....................................................................... 17
Ordering Guide .......................................................................... 17
Rev. B | Page 2 of 20


3Pages


ADA4856-3 電子部品, 半導体
Data Sheet
ABSOLUTE MAXIMUM RATINGS
Table 3.
Parameter
Supply Voltage
Internal Power Dissipation1
Common-Mode Input Voltage
Differential Input Voltage
Output Short-Circuit Duration
Storage Temperature Range
Operating Temperature Range
Lead Temperature (Soldering, 10 sec)
Rating
6V
See Figure 3
(−VS − 0.2 V) to (+VS − 1 V)
±VS
Observe power curves
−65°C to +125°C
−40°C to +105°C
300°C
1 Specification is for device in free air.
Stresses above those listed under Absolute Maximum Ratings
may cause permanent damage to the device. This is a stress
rating only; functional operation of the device at these or any
other conditions above those indicated in the operational
section of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
device reliability.
THERMAL RESISTANCE
θJA is specified for the worst-case conditions, that is, θJA is specified
for a device soldered in a circuit board for surface-mount packages.
Table 4.
Package Type
16-Lead LFCSP
θJA θJC Unit
67 17.5 °C/W
ADA4856-3
MAXIMUM POWER DISSIPATION
The maximum power that can be safely dissipated by the
ADA4856-3 is limited by the associated rise in junction
temperature. The maximum safe junction temperature for
plastic encapsulated devices is determined by the glass transition
temperature of the plastic, approximately 150°C. Temporarily
exceeding this limit may cause a shift in parametric performance
due to a change in the stresses exerted on the die by the package.
Exceeding a junction temperature of 175°C for an extended
period can result in device failure.
To ensure proper operation, it is necessary to observe the
maximum power derating curves.
3.0
2.5
2.0
1.5
1.0
0.5
0
AMBIENT TEMPERATURE (°C)
Figure 3. Maximum Power Dissipation vs. Ambient Temperature
ESD CAUTION
Rev. B | Page 5 of 20

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部品番号部品説明メーカ
ADA4856-3

Rail-to-Rail Output Video Amplifier

Analog Devices
Analog Devices


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