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參數(shù)資料
| 型號(hào)： | AD8004 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Quad Current Feedback Amplifier(電流反饋四路放大器) |
| 中文描述： | 四電流反饋放大器（電流反饋四路放大器） |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 291K |
| 代理商： | AD8004 |
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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
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
Quad 3000 V/
m
s, 35 mW
Current Feedback Amplifier
AD8004
Analog Devices, Inc., 1995
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
Fax: 617/326-8703
FEATURES
High Speed
250 MHz –3 dB Bandwidth (G = +1)
3000 V/
m
s Slew Rate
21 ns Settling Time to 0.1%
1.8 ns Rise Time for 2 V Step
Low Power
3.5 mA/Amp Power Supply Current (35 mW/Amp)
Single Supply Operation
Fully Specified for +5 V Supply
Good Video Specifications (R
L
= 150
V
, G = +2)
Gain Flatness 0.1 dB to 30 MHz
0.04% Differential Gain Error
0.10
8
Differential Phase Error
Low Distortion
–78 dBc THD at 5 MHz
–61 dBc THD at 20 MHz
High Output Current of 50 mA
Available in a 14-Pin PDIP and SOIC
APPLICATIONS
Image Scanners
Active Filters
Video Switchers
Special Effects
PRODUCT DE SCRIPT ION
T
he AD8004 is a quad, low power, high speed amplifier designed
to operate on single or dual supplies. It utilizes a current feed-
back architecture and features high slew rate of 3000 V/
μ
s
making the AD8004 ideal for handling large amplitude pulses.
Additionally, the AD8004 provides gain flatness of 0.1dB to
FREQUENCY – MHz
+1
–4
–9
1
500
10
40
100
–3
–2
–1
0
–5
–6
–7
–8
N
N–0.5
–0.1
–0.2
–0.3
–0.4
±
5V
S
+5V
S
+5V
S
±
5V
S
G = +2
V
IN
= 50mV rms
R
L
= 100
R
F
= 1.10k
R PACKAGE
Figure 1. Frequency Response and Flatness, G = +2
CONNE CT ION DIAGRAM
Plastic (N) and
SOIC (R) Packages
14
13
12
11
10
9
8
1
2
3
4
7
6
5
OUTPUT
–IN
+IN
+V
S
+IN
–IN
OUTPUT
–V
S
+IN
–IN
OUTPUT
OUTPUT
–IN
+IN
AD8004
(TOP VIEW)
1
2
3
4
30 MHz while offering differential gain and phase error of
0.04% and 0.10
°
. T his makes the AD8004 suitable for video
electronics such as cameras and video switchers.
T he AD8004 offers low power of 3.5 mA/amplifier and can run
on a single +4 V to +12 V power supply, while being capable of
delivering up to 50 mA of load current. All this is offered in a
small 14-pin DIP or 14-pin SOIC package. T hese features
make this amplifier ideal for portable and battery powered
applications where size and power are critical.
T he outstanding bandwidth of 250 MHz along with 3000 V/
μ
s
of slew rate make the AD8004 useful in many general purpose,
high speed applications where dual power supplies of up to
±
6 V and single supplies from 4 V to 12 V are needed. T he
AD8004 is available in the industrial temperature range of –40
°
C
to +85
°
C.
0.04
0.03
0.02
0.01
0.00
–0.01
–0.02
–0.03
–0.04
1
ST
D
0.12
0.10
0.08
0.06
0.04
0.02
0.00
–0.02
–0.04
D
2
ND
3
RD
4
TH
5
TH
6
TH
7
TH
8
TH
9
TH
10
TH
11
TH
80 IRE
R
L
= 150
V
S
=
±
5V
R
F
= 1.21k
80 IRE
R
L
= 150
V
S
=
±
5V
R
F
= 1.21k
1
ST
2
ND
3
RD
4
TH
5
TH
6
TH
7
TH
8
TH
9
TH
10
TH
11
TH
Figure 2. Differential Gain/Differential Phase
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