AD8073 Analog Devices, AD8073 Datasheet

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AD8073

Manufacturer Part Number
AD8073
Description
Low Cost, Triple Video Amplifier
Manufacturer
Analog Devices
Datasheet

Specifications of AD8073

-3db Bandwidth
100MHz
Slew Rate
500V/µs
Vos
2mV
Ib
4µA
# Opamps Per Pkg
3
Input Noise (nv/rthz)
3nV/rtHz
Vcc-vee
5V to 12V
Isy Per Amplifier
5mA
Packages
DIP,SOIC

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a
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 Ω 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 Ω) 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.
8-Lead Plastic (N), SOIC (R), and SOIC (RM) Packages
6.1
6.0
5.9
5.8
5.7
5.6
5.5
5.4
5.3
0.1
14-Lead Plastic (N), and SOIC (R) Packages
V
V
R
R
A
S
O
F
L
V
=
= 2V p-p
= R
= 150
=
G
5V
2
PIN CONFIGURATIONS
OUT1
= 1k
OUT1
+IN1
–IN1
+V
–IN1
+IN1
NC
NC
NC
–V
Low Cost, Dual/Triple
1
S
S
NC = NO CONNECT
1
2
3
4
5
6
7
1
2
3
4
FREQUENCY – MHz
(Not to Scale)
(Not to Scale)
AD8073
TOP VIEW
AD8072/AD8073
AD8072
TOP VIEW
Video Amplifiers
0.1 dB
10
DIV
14
13
12
11
10
9
8
8
7
6
5
OUT2
–IN2
+IN2
–V
+IN3
–IN3
OUT3
+V
OUT2
–IN2
+IN2
S
S
100
1 dB
DIV
500
7
6
5
4
3
2
1
0
–1

Related parts for AD8073

AD8073 Summary of contents

Page 1

... V supply. The high bandwidth of 100 MHz, 500 V/µs of slew rate, along with settling to 0. ns, make the AD8072 and AD8073 useful in many general purpose, high speed applications where a single dual power supplies up to ± are needed. The AD8072 is available in 8-lead plastic DIP, SOIC, and µ ...

Page 2

... MHz 3.58 MHz MHz kHz kHz (± MIN MAX V = – Ω ± ± AD8072/AD8073 Typ Max Unit 100 MHz 10 MHz 500 V/µ 0.05 0.15 % 0.1 0.3 Degrees nV/√Hz 6 pA/√Hz 0.3 MΩ ...

Page 3

... MIN MAX 150 Ω kΩ MIN MAX = 10 Ω AD8072/AD8073 AD8072/AD8073 Min Typ Max Unit 78 100 MHz 7.8 10 MHz 350 V/µ 0.1 % 0.1 Degrees nV/√Hz 6 pA/√Hz 0.25 MΩ ...

Page 4

... Internal Power Dissipation AD8072 8-Lead Plastic ( 1.3 Watts AD8072 8-Lead Small Outline (SO- 0.9 Watts AD8072 8-Lead µSOIC (RM 0.6 Watts AD8073 14-Lead Plastic ( 1.6 Watts AD8073 14-Lead Small Outline ( 1.0 Watts Input Voltage (Common Mode ± V Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . ± 1.25 V Output Short Circuit Duration . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 5

... V 0.00 0.00 –0.00 –0.02 –0.03 –0.05 –0.07 –0.08 –0.10 –0.10 –0.10 0.02 0.00 –0. –0. –0. 150 –0.08 L –0. –0. 500 ST ND AD8072/AD8073 1.0 10 100 500 FREQUENCY – MHz MIN = 0.00 MAX = 0.09 p-p/MAX = 0.09 0.08 0.08 0.08 0.09 0.08 0.08 0.07 0.06 = 150 TO 1.5V MIN = 0.00 MAX = 0.10 p-p = 0.10 0.10 0.09 0.08 0.06 ...

Page 6

... AD8072/AD8073 0 –10 AMP 2 OUTPUT SOIC PACKAGE DRIVE AMP 2 –20 RECEIVE AMPS 1, 3 AD8073 RECEIVE AMP 1 AD8072 – 5V 150 – p-p IN –50 –60 –70 –80 –90 –100 0.1 1.0 10 FREQUENCY – MHz – – 150 ...

Page 7

... ON TOP OF V –20 –30 –40 –50 –60 –70 100k 0.02 0.1 ± p-p V 154 OUT 60.4 150 154 0 100 FREQUENCY – MHz ± AD8072/AD8073 10 100 1k 10k 100k FREQUENCY – Hz ± 150 = 2 –PSRR S PSRR 1 10 100 FREQUENCY – MHz 500 500 ...

Page 8

... AD8072/AD8073 V IN 250mV 50mV 1V = ± 2.5 V operation is identical 150 50 0.1 F 0.001 F 0.1 F 0.001 F 20ns ± 20ns ± 20ns ± single supply operation OUT –V S 250mV 10ns 50mV 20ns 250mV 20ns ± ± ± ...

Page 9

... For resistances below this value, the gain flatness will be affected and more significant lot-to-lot variations in device per- formance will be noticed. Figure 5 shows a plot of the frequency response of an AD8072/AD8073 at a gain of two with both feed- back and gain resistors equal to 649 Ω. 6.1 6 ...

Page 10

... OUT Layout Considerations The specified high speed performance of the AD8072 and AD8073 require careful attention to board layout and compo- nent selection. Proper RF design techniques and low parasitic component selection are mandatory. The PCB should have a ground plane covering all unused portions of the component side of the board to provide a low impedance ground path ...

Page 11

... PIN 1 0.0256 (0.65) BSC 0.120 (3.05) 0.120 (3.05) 0.112 (2.84) 0.112 (2.84) 0.043 (1.09) 0.037 (0.94) 33 0.018 (0.46) 27 0.011 (0.28) SEATING 0.008 (0.20) PLANE 0.003 (0.08) AD8072/AD8073 14-Lead Plastic DIP (N-14) 0.795 (20.19) 0.725 (18.42 0.280 (7.11) 0.240 (6.10) 0.325 (8.25 0.300 (7.62) 0.060 (1.52) PIN 1 0.015 (0.38) 0.130 (3.30) MIN 0.015 (0.381) SEATING 0.100 0.070 (1.77) ...

Page 12

... AD8072/AD8073 Revision History Location 3/02—Data Sheet changed from REV REV. D. Edits to Package Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 10/01—Data Sheet changed from REV REV. C. Edits to ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Page ...

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