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參數(shù)資料
| 型號： | ADA4856-3YCPZ-RL |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 1/20頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP 3CH RRO VFB G=+2 16LFCSP |
| 標準包裝： | 5,000 |
| 應用： | 電壓反饋 |
| 輸出類型： | 滿擺幅 |
| 電路數(shù)： | 3 |
| -3db帶寬： | 370MHz |
| 轉(zhuǎn)換速率： | 800 V/µs |
| 電流 - 電源： | 7.8mA |
| 電流 - 輸出 / 通道： | 52mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 5.5 V，±1.5 V ~ 2.75 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VQFN 裸露焊盤，CSP |
| 供應商設(shè)備封裝： | 16-LFCSP-VQ EP（4x4） |
| 包裝： | 帶卷 (TR) |
Single-Supply, High Speed, Fixed G = +2,
Rail-to-Rail Output Video Amplifier
Data Sheet
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.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.
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
CONNECTION DIAGRAM
1
2
+IN2
NC
PD
NC
3
4
+I
N
3
–I
N3
OU
T
3
–V
S
56
7
8
+I
N
1
–I
N1
OU
T
1
–V
S
16
15
14
13
11 OUT2
12 +VS
10 –IN2
9+VS
0
768
6-
0
01
NOTES
1. NC = NO CONNECT.
2. EXPOSED PAD CONNECTED TO –VS.
ADA4856-3
Figure 1.
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.
7
6
5
4
3
2
1
0
1
10
100
1000
C
L
OS
E
D
-L
OOP
GA
IN
(
d
B
)
FREQUENCY (MHz)
07
68
6-
0
58
VS = 3.3V, VOUT = 2V p-p
VS = 5V, VOUT = 1.4V p-p
VS = 5V, VOUT = 2V p-p
RL = 150
VS = 3.3V, VOUT = 1.4V p-p
Figure 2. Large Signal Frequency Response
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