AD8056AR Analog Devices Inc, AD8056AR Datasheet

IC OPAMP VF DUAL LDIST LN 8SOIC

AD8056AR

Manufacturer Part Number
AD8056AR
Description
IC OPAMP VF DUAL LDIST LN 8SOIC
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD8056AR

Slew Rate
1400 V/µs
Mounting Type
Surface Mount
Rohs Status
RoHS non-compliant
Amplifier Type
Voltage Feedback
Number Of Circuits
2
-3db Bandwidth
300MHz
Current - Input Bias
400nA
Voltage - Input Offset
3000µV
Current - Supply
5.4mA
Current - Output / Channel
60mA
Voltage - Supply, Single/dual (±)
8 V ~ 12 V, ±4 V ~ 6 V
Operating Temperature
-40°C ~ 125°C
Package / Case
8-SOIC (3.9mm Width)
No. Of Amplifiers
2
Bandwidth
300MHz
No. Of Pins
8
Gain
300dB
Settling Time
20ns
Operating Temperature Max
85°C
Output Type
-
Gain Bandwidth Product
-
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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FEATURES
Low cost single (AD8055) and dual (AD8056)
Easy-to-use voltage feedback architecture
High speed
Small packaging
Excellent video specifications (R
Low power, ±5 V supplies 5 mA typ/amplifier power
High output drive current: over 60 mA
APPLICATIONS
Imaging
Photodiode preamps
Video line drivers
Differential line drivers
Professional cameras
Video switchers
Special effects
A-to-D drivers
Active filters
GENERAL DESCRIPTION
The AD8055 (single) and AD8056 (dual) voltage feedback
amplifiers offer bandwidth and slew rate typically found in
current feedback amplifiers. Additionally, these amplifiers are
easy to use and available at a very low cost.
Despite their low cost, the AD8055 and AD8056 provide
excellent overall performance. For video applications, their
differential gain and phase error are 0.01% and 0.02° into a
150 Ω load and 0.02% and 0.1° while driving four video loads
(37.50 Ω).
Rev. J
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.
300 MHz, −3 dB bandwidth (G = +1)
1400 V/μs slew rate
20 ns settling to 0.1%
Low distortion: −72 dBc @ 10 MHz
Low noise: 6 nV/√Hz
Low dc errors: 5 mV max V
Gain flatness 0.1 dB to 40 MHz
0.01% differential gain error
0.02° differential phase error
Drives 4 video loads (37.5 V) with 0.02% differential
Gain and 0.1° differential phase
supply current
AD8055 available in 5-lead SOT-23
AD8056 available in 8-lead MSOP
OS
, 1.2 μA max I
L
= 150 Ω, G = +2)
B
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
Their 0.1 dB flatness out to 40 MHz, wide bandwidth out to
300 MHz, along with 1400 V/μs slew rate and 20 ns settling
time, make them useful for a variety of high speed applications.
The AD8055 and AD8056 require only 5 mA typ/amplifier of
supply current and operate on a dual ±5 V or a single +12 V
power supply, while capable of delivering over 60 mA of load
current. The AD8055 is available in a small 8-lead PDIP, an 8-lead
SOIC, and a 5-lead SOT-23, while the AD8056 is available in an
8-lead MSOP. These features make the AD8055/AD8056 ideal
for portable and battery-powered applications where size and
power are critical. These amplifiers in the R-8, N-8, and RM-8
packages are available in the extended temperature range of
−40°C to +125°C.
–V
–IN
+IN
NC
S
Voltage Feedback Amplifiers
1
2
3
4
–1
–2
–3
–4
–5
0.3M
5
4
3
2
1
0
Figure 1. N-8 and R-8
NC = NO CONNECT
V
AD8055
IN
50Ω
1M
CONNECTION DIAGRAMS
OUT1
–IN1
+IN1
–V
R
R
G
S
C
Figure 4. Frequency Response
Figure 3. N-8, R-8, and RM-8
G = +10
R
1
2
3
4
F
R
= 909Ω
©2006 Analog Devices, Inc. All rights reserved.
F
Low Cost, 300 MHz
G = +5
R
8
7
6
5
AD8056
F
FREQUENCY (Hz)
= 1000Ω
V
10M
NC
+V
V
NC
OUT
AD8055/AD8056
OUT
R
S
L
G = +1
R
R
F
C
V
= 0Ω
= 100Ω
OUT
–V
+IN
S
8
7
6
5
V
R
100M
OUT
L
1
2
3
+V
OUT
–IN2
+IN2
= 100Ω
Figure 2. RJ-5
S
= 100mV p-p
AD8055
G = +2
R
www.analog.com
F
= 402Ω
1G
5
4
+V
–IN
S

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AD8056AR Summary of contents

Page 1

FEATURES Low cost single (AD8055) and dual (AD8056) Easy-to-use voltage feedback architecture High speed 300 MHz, −3 dB bandwidth (G = +1) 1400 V/μs slew rate 20 ns settling to 0.1% Low distortion: −72 dBc @ 10 MHz Low noise: ...

Page 2

AD8055/AD8056 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Connection Diagrams...................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 Maximum Power Dissipation ..................................................... 5 ESD Caution.................................................................................. 5 Typical Performance Characteristics ............................................. 6 Test ...

Page 3

SPECIFICATIONS T = 25° ± 402 Ω 100 Ω, Gain = +2, unless otherwise noted Table 1. Parameter DYNAMIC PERFORMANCE −3 dB Bandwidth Bandwidth for 0.1 dB Flatness Slew ...

Page 4

... MIN T to 85°C MIN AD8056 T to 125°C MIN T to 85°C MIN + −V = − −V = – − AD8055ART AD8055AR, AD8055AN, AD8056AR, AD8056AN, AD8056ARM Rev Page AD8055A/AD8056A Min Typ Max Unit ±4.0 ±5.0 ±6.0 V 5.4 6.5 mA 7 13.9 mA 13.3 ...

Page 5

ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage Input Voltage (Common Mode) Differential Input Voltage Output Short-Circuit Duration Storage Temperature Range N, R Operating Temperature Range (A Grade) Lead Temperature (Soldering 10 sec) Stresses above those listed under Absolute Maximum ...

Page 6

AD8055/AD8056 TYPICAL PERFORMANCE CHARACTERISTICS 0V 20mV 5ns Figure 6. Small Step Response (See 0V 1V 5ns Figure 7. Large Step Response (See Figure 34) 0V 20mV 5ns Figure 8. Small Step Response ...

Page 7

V 0 0.3 R 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0.5 0.3M 1M 10M 100M FREQUENCY (Hz) Figure 12. 0.1 dB Flatness – p-p OUT 100Ω ...

Page 8

AD8055/AD8056 0.7 V OUT 0.6 V OUT 0.5 R 0.4 0.3 0.2 0.1 0 –0.1 –0.2 –0.3 –0.4 –0 TIME (ns) Figure 18. Settling Time 100Ω 9 ...

Page 9

FREQUENCY (MHz) Figure 24. CMRR vs. Frequency (1V/DIV 100Ω 402Ω ...

Page 10

AD8055/AD8056 5.0 4.5 4 1kΩ L 3.5 3.0 2 150Ω L 2.0 1.5 1.0 0.5 0 –55 –35 – TEMPERATURE (°C) Figure 30. Output Swing vs. Temperature 1000 100 10 6nV ...

Page 11

TEST CIRCUITS +V S HP8130A V IN 100Ω PULSE 7 3 GENERATOR 1ns AD8055 R F 50Ω –V S Figure 34 + 100 Ω L 4.7µF 0.01µF 0.001µF V OUT HP8130A ...

Page 12

AD8055/AD8056 APPLICATIONS FOUR-LINE VIDEO DRIVER The AD8055 is a useful low cost circuit for driving up to four video lines. For such an application, the amplifier is configured for a noninverting gain shown in Figure 36. The ...

Page 13

POWER DISSIPATION LIMITS With supply (total V − the quiescent power CC EE dissipation of the AD8055 in the SOT-23-5 package is 65 mW, while the quiescent power dissipation of the AD8056 in the MSOP-8 ...

Page 14

AD8055/AD8056 OUTLINE DIMENSIONS 0.150 (3.81) 0.130 (3.30) 0.115 (2.92) 0.022 (0.56) 0.018 (0.46) 0.014 (0.36) 0.400 (10.16) 0.365 (9.27) 0.355 (9.02 0.280 (7.11) 0.250 (6.35) 1 0.240 (6.10) 4 PIN 1 0.100 (2.54) BSC 0.060 (1.52) 0.210 MAX ...

Page 15

PIN 1 0.65 BSC 0.95 0.85 1.10 MAX 0.75 0.15 0.38 0.23 0.00 0.22 0.08 SEATING COPLANARITY PLANE 0.10 COMPLIANT TO JEDEC STANDARDS MO-187-AA Figure 44. 8-Lead ...

Page 16

... AD8056ARZ-REEL −40°C to +125°C 1 AD8056ARZ-REEL7 −40°C to +125°C AD8056ARM −40°C to +125°C AD8056ARM-REEL −40°C to +125°C AD8056ARM-REEL7 −40°C to +125°C 1 AD8056ARMZ −40°C to +125°C AD8056ARMZ-REEL 1 −40°C to +125°C 1 AD8056ARMZ-REEL7 −40°C to +125° Pb-free part, # denotes lead-free product may be top or bottom marked ...

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