參數(shù)資料
型號(hào)： AD8001
廠商： Analog Devices, Inc.
英文描述： Current Feedback Amplifier(800MHz,50mW電流反饋放大器)
中文描述： 電流反饋放大器（800MHz的，50mW的電流反饋放大器）
文件頁(yè)數(shù)： 1/16頁(yè)
文件大小： 372K
代理商： AD8001
One Technology Way, P.O. Box 9106, Norwood. MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
a
800 MHz, 50 mW
Current Feedback Amplifier
AD8001
FEATURES
Excellent Video Specifications (R
L
= 150
V
, G = +2)
Gain Flatness 0.1 dB to 100 MHz
0.01% Differential Gain Error
0.025
8
Differential Phase Error
Low Power
5.5 mA max Power Supply Current (55 mW)
High Speed and Fast Settling
880 MHz, –3 dB Bandwidth (G = +1)
440 MHz, –3 dB Bandwidth (G = +2)
1200 V/
m
s Slew Rate
10 ns Settling Time to 0.1%
Low Distortion
–65 dBc THD, f
C
= 5 MHz
33 dBm 3rd Order Intercept, F
1
= 10 MHz
–66 dB SFDR, f = 5 MHz
High Output Drive
70 mA Output Current
Drives Up to 4 Back-Terminated Loads (75
V
Each)
While Maintaining Good Differential Gain/Phase
Performance (0.05%/0.25
8
)
APPLICATIONS
A-to-D Driver
Video Line Driver
Professional Cameras
Video Switchers
Special Effects
RF Receivers
FUNCT IONAL BLOCK DIAGRAM
8-Pin Plastic Mini-DIP and SOIC
NC
–IN
+IN
V–
V+
OUT
NC
NC
1
2
3
4
8
7
6
5
AD8001
NC = NO CONNECT
REV. B
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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
PRODUCT DE SCRIPT ION
T he AD8001 is a low power, high speed amplifier designed to
operate on
±
5 V supplies. T he AD8001 features unique
G
9
6
–12
10M
100M
FREQUENCY – Hz
1G
3
0
–3
–6
–9
V
S
=
±
5V
R
FB
= 820
V
S
=
±
5V
R
FB
= 1k
G = +2
R
L
= 100
Figure 1. Frequency Response of AD8001
5ns
400mV
Figure 2. Transient Response of AD8001; 2 V Step, G = +2
transimpedance linearization circuitry. T his allows it to drive
video loads with excellent differential gain and phase perfor-
mance on only 50 mW of power. T he AD8001 is a current
feedback amplifier and features gain flatness of 0.1 dB to 100 MHz
while offering differential gain and phase error of 0.01% and
0.025
°
. T his makes the AD8001 ideal for professional video
electronics such as cameras and video switchers. Additionally,
the AD8001’s low distortion and fast settling make it ideal for
buffer high speed A-to-D converters.
T he AD8001 offers low power of 5.5 mA max (V
S
=
±
5 V) and
can run on a single +12 V power supply, while being capable of
delivering up to 70 mA of load current. All this is offered in a
small 8-pin DIP or 8-pin SOIC package. T hese features make
this amplifier ideal for portable and battery powered applica-
tions where size and power is critical.
T he outstanding bandwidth of 800 MHz along with 1200 V/
μ
s
of slew rate make the AD8001 useful in many general purpose
high speed applications where dual power supplies of up to
±
6 V
and singlesuppliesfrom 6 V to 12 V areneeded. T heAD8001 is
availablein theindustrial temperaturerangeof –40
°
C to +85
°
C.
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