ADA4861-3 Amp Datasheet

ADA4861-3 Datasheet PDF, Equivalent


Part Number

ADA4861-3

Description

Triple Op Amp

Manufacture

Analog Devices

Total Page 16 Pages
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ADA4861-3
www.DataSheet4U.com
FEATURES
High speed
730 MHz, −3 dB bandwidth
625 V/μs slew rate
13 ns settling time to 0.5%
Wide supply range: 5 V to 12 V
Low power: 6 mA/amplifier
0.1 dB flatness: 100 MHz
Differential gain: 0.01%
Differential phase: 0.02°
Low voltage offset: 100 μV (typical)
High output current: 25 mA
Power down
APPLICATIONS
Consumer video
Professional video
Broadband video
ADC buffers
Active filters
GENERAL DESCRIPTION
The ADA4861-3 is a low cost, high speed, current feedback,
triple op amp that provides excellent overall performance. The
730 MHz, −3 dB bandwidth, and 625 V/μs slew rate make this
amplifier well suited for many high speed applications. With its
combination of low price, excellent differential gain (0.01%),
differential phase (0.02°), and 0.1 dB flatness out to 100 MHz,
this amplifier is ideal for both consumer and professional video
applications.
The ADA4861-3 is designed to operate on supply voltages as
low as +5 V and up to ±5 V using only 6 mA/amplifier of supply
current. To further reduce power consumption, each amplifier
is equipped with a power-down feature that lowers the supply
current to 0.3 mA/amplifier when not being used.
The ADA4861-3 is available in a 14-lead SOIC_N package and
is designed to work over the extended temperature range of
−40°C to +105°C.
High Speed, Low Cost,
Triple Op Amp
ADA4861-3
PIN CONFIGURATION
POWER DOWN 1 1
14 OUT 2
POWER DOWN 2 2
13 –IN 2
POWER DOWN 3 3
12 +IN 2
+VS 4 ADA4861-3 11 –VS
+IN 1 5
10 +IN 3
–IN 1 6
9 –IN 3
OUT 1 7
8 OUT 3
Figure 1.
6.1
6.0
5.9
5.8
5.7
5.6
5.5
5.4
5.3
5.2
5.1
0.1
G = +2
VOUT = 2V p-p
RF = RG = 301
VS = +5V
VS = ±5V
1 10 100
FREQUENCY (MHz)
Figure 2. Large Signal 0.1 dB Flatness
1000
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.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.

ADA4861-3
ADA4861-3
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Pin Configuration............................................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Thermal Resistance ...................................................................... 5
ESD Caution.................................................................................. 5
Typical Performance Characteristics ............................................. 6
Applications..................................................................................... 13
REVISION HISTORY
3/06—Rev 0 to Rev. A
Changes to 20 MHz Active Low-Pass Filter Section.................. 13
Changes to Figure 48 and Figure 49............................................. 13
10/05—Revision 0: Initial Version
Gain Configurations .................................................................. 13
20 MHz Active Low-Pass Filter ................................................ 13
RGB Video Driver ...................................................................... 14
Driving Two Video Loads ......................................................... 14
POWER-DOWN Pins ............................................................... 14
Single-Supply Operation ........................................................... 15
Power Supply Bypassing ............................................................ 15
Layout .......................................................................................... 15
Outline Dimensions ....................................................................... 16
Ordering Guide .......................................................................... 16
Rev. A | Page 2 of 16


Features www.DataSheet4U.com High Speed, Low Cos t, Triple Op Amp ADA4861-3 FEATURES Hig h speed 730 MHz, −3 dB bandwidth 625 V/μs slew rate 13 ns settling time to 0.5% Wide supply range: 5 V to 12 V Low power: 6 mA/amplifier 0.1 dB flatness: 100 MHz Differential gain: 0.01% Diffe rential phase: 0.02° Low voltage offse t: 100 μV (typical) High output curren t: 25 mA Power down PIN CONFIGURATION POWER DOWN 1 1 POWER DOWN 2 2 POWER DOW N 3 3 +VS 4 +IN 1 5 –IN 1 6 OUT 1 7 1 4 OUT 2 13 –IN 2 12 +IN 2 ADA4861-3 11 –VS 10 +IN 3 9 8 –IN 3 OUT 3 0 5708-001 Figure 1. APPLICATIONS Consu mer video Professional video Broadband video ADC buffers Active filters GENER AL DESCRIPTION The ADA4861-3 is a low c ost, high speed, current feedback, trip le op amp that provides excellent overa ll performance. The 730 MHz, −3 dB ba ndwidth, and 625 V/μs slew rate make t his amplifier well suited for many high speed applications. With its combinati on of low price, excellent differential gain (0.01%), differential phase (0.02°.
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