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AD8072 반도체 회로 부품 판매점

Dual/Triple Video Amplifiers



Analog Devices 로고
Analog Devices
AD8072 데이터시트, 핀배열, 회로
a
Low Cost, Dual/Triple
Video Amplifiers
AD8072/AD8073
FEATURES
Very Low Cost
Good Video Specifications (RL = 150 )
Gain Flatness of 0.1 dB to 10 MHz
0.05% Differential Gain Error
0.1؇ Differential Phase Error
Low Power
3.5 mA/Amplifier Supply Current
Operates on Single 5 V to 12 V Supply
High Speed
100 MHz, –3 dB Bandwidth (G = +2)
500 V/s Slew Rate
Fast Settling Time of 25 ns (0.1%)
Easy to Use
30 mA Output Current
Output Swing to 1.3 V of Rails on Single 5 V Supply
APPLICATIONS
Video Line Driver
Computer Video Plug-In Boards
RGB or S-Video Amplifier in Component Systems
PRODUCT DESCRIPTION
The AD8072 (dual) and AD8073 (triple) are low cost, current
feedback amplifiers intended for high volume, cost sensitive
applications. In addition to being low cost, these amplifiers
deliver solid video performance into a 150 load while consuming
only 3.5 mA per amplifier of supply current. Furthermore, the
AD8073 is three amplifiers in a single 14-lead narrow-body
SOIC package. This makes it ideal for applications where small
size is essential. Each amplifier’s inputs and output are acces-
sible providing added gain setting flexibility.
These devices provide 30 mA of output current per amplifier,
and are optimized for driving one back terminated video load
(150 ) each. These current feedback amplifiers feature gain
flatness of 0.1 dB to 10 MHz while offering differential gain and
phase error of 0.05% and 0.1°. This makes the AD8072 and
AD8073 ideal for business and consumer video electronics.
Both will operate from a single 5 V to 12 V power supply. The
outputs of each amplifier swing to within 1.3 volts of either sup-
ply rail to accommodate video signals on a single 5 V supply.
The high bandwidth of 100 MHz, 500 V/µs of slew rate, along
with settling to 0.1% in 25 ns, make the AD8072 and AD8073
useful in many general purpose, high speed applications where a
single 5 V or dual power supplies up to ± 6 V are needed. The
AD8072 is available in 8-lead plastic DIP, SOIC, and µSOIC
packages while the AD8073 is available in 14-lead plastic DIP and
SOIC packages. Both operate over the commercial temperature
range of 0°C to 70°C. Additionally, the AD8072ARM operates
over the industrial temperature range of –40°C to +85°C.
REV. D
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. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices.
PIN CONFIGURATIONS
8-Lead Plastic (N), SOIC (R), and SOIC (RM) Packages
OUT1 1
–IN1 2
8 +VS
7 OUT2
+IN1 3
6 –IN2
–VS 4 AD8072 5 +IN2
TOP VIEW
(Not to Scale)
14-Lead Plastic (N), and SOIC (R) Packages
NC 1
14 OUT2
NC 2
13 IN2
NC 3
12 +IN2
AD8073
+VS 4 TOP VIEW 11 VS
(Not to Scale)
+IN1 5
10 +IN3
IN1 6
9 IN3
OUT1 7
8 OUT3
NC = NO CONNECT
6.1 7
6.0 6
5.9 5
5.8 4
5.7 VS = ؎5V
VO = 2V p-p
5.6 RF = RG = 1k
RL = 150
5.5 AV = ؉2
5.4
0.1 dB
DIV
1 dB
DIV
3
2
1
0
5.3
0.1
1 10
FREQUENCY MHz
100
1
500
Figure 1. Large Signal Frequency Response
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 2002


AD8072 데이터시트, 핀배열, 회로
AD8072/AD8073–SPECIFICATIONS
ELECTRICAL CHARACTERISTICS (@ TA = 25؇C, VS = ؎5 V, RL = 150 , unless otherwise noted.)
Parameter
Conditions
AD8072/AD8073
Min Typ
Max
DYNAMIC PERFORMANCE
–3 dB Bandwidth, Small Signal
0.1 dB Bandwidth, Small Signal
Slew Rate
Settling Time to 0.1%
RF = 1 k
No Peaking, G = +2 80 100
No Peaking, G = +2
8
10
VO = 4 V Step
VO = 2 V Step
500
25
DISTORTION/NOISE PERFORMANCE
Differential Gain
Differential Phase
Crosstalk
Input Voltage Noise
Input Current Noise
RF = 1 k
f = 3.58 MHz, G = +2
f = 3.58 MHz, G = +2
f = 5 MHz
f = 10 kHz
f = 10 kHz (± IIN)
0.05 0.15
0.1 0.3
60
3
6
DC PERFORMANCE
Transimpedance
Input Offset Voltage
Offset Drift
Input Bias Current (± )
Input Bias Current Drift (± )
TMIN to TMAX
0.3
26
8
11
4 12
12
INPUT CHARACTERISTICS
–Input Resistance
+Input Resistance
Input Capacitance
Common-Mode Rejection Ratio
Input Common-Mode Voltage Range
VCM = –3.8 V to +3.8 V
120
1
1.6
56
± 3.8
OUTPUT CHARACTERISTICS
+Output Voltage Swing
–Output Voltage Swing
Output Current
Short Circuit Current
RL = 10
3 3.3
2.25 3
30
80
POWER SUPPLY
Operating Range
Power Supply Rejection Ratio
Quiescent Current per Amplifier
VS = ± 4 V to ± 6 V
± 2.5 to ± 6
70
3.5
5
OPERATING TEMPERATURE RANGE
0 70
Specifications subject to change without notice.
Unit
MHz
MHz
V/µs
ns
%
Degrees
dB
nV/Hz
pA/Hz
M
mV
mV
µV/°C
µA
nA/°C
M
pF
dB
V
V
V
mA
mA
V
dB
mA
°C
–2– REV. D




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