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PDF AD8002 Data sheet ( Hoja de datos )
| Número de pieza | AD8002 | |
| Descripción | Dual 600 MHz/ 50 mW Current Feedback Amplifier | |
| Fabricantes | Analog Devices | |
| Logotipo |  |
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Data Sheet
FEATURES
Excellent video specifications (RL = 150 Ω, G = +2)
Gain flatness: 0.1 dB to 60 MHz
Differential gain error: 0.01%
Differential phase error: 0.02°
Low power
Maximum power supply current (50 mW): 5.0 mA/amp
High speed and fast settling
−3 dB bandwidth (G = +1): 600 MHz
−3 dB bandwidth (G = +2): 500 MHz
Slew rate: 1200 V/µs
Settling time to 0.1%: 16 ns
Low distortion
THD at fC = 5 MHz: −65 dBc
Third-order intercept at f1 = 10 MHz: 33 dBm
SFDR at f = 5 MHz: −66 dB
Crosstalk at f = 5 MHz: −60 dB
High output drive
Over 70 mA output current
Drives up to eight back terminated 75 Ω loads (four
loads/side) while maintaining good differential
gain/phase performance (0.01%/0.17°)
Available in 8-lead SOIC and MSOP packages
APPLICATIONS
Analog-to-digital drivers
Video line drivers
Differential line drivers
Professional cameras
Video switchers
Special effects
RF receivers
GENERAL DESCRIPTION
The AD8002 is a dual, low power, high speed amplifier
designed to operate on ±5 V supplies. The AD8002 features
unique transimpedance linearization circuitry, which allows the
AD8002 to drive video loads with excellent differential gain
and phase performance on only 50 mW of power per amplifier.
The AD8002 is a current feedback amplifier and features gain
flatness of 0.1 dB to 60 MHz while offering differential gain and
phase error of 0.01% and 0.02°, which makes the AD8002 ideal
for professional video electronics such as cameras and video
switchers. Additionally, the low distortion and fast settling of
the AD8002 make it ideal for buffer high speed analog-to-
digital converters (ADCs).
Rev. E
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
Dual 600 MHz, 50 mW
Current Feedback Amplifier
AD8002
PIN CONNECTION BLOCK DIAGRAM
OUT1 1
8 V+
–IN1 2
7 OUT2
+IN1 3
6 –IN2
V– 4
AD8002
Figure 1.
5 +IN2
The AD8002 offers a low power of 5.0 mA/amp maximum
(VS = ±5 V) and can run on a single 12 V power supply, yet is
capable of delivering over 70 mA of load current. It is offered
in 8-lead SOIC and MSOP packages. These features make this
amplifier ideal for portable and battery-powered applications
where size and power are critical.
The bandwidth of 600 MHz along with 1200 V/µs of slew rate
make the AD8002 useful in many general-purpose high speed
applications where dual power supplies of up to ±6 V and single
supplies from 6 V to 12 V are needed. The AD8002 is available
in the industrial temperature range of −40°C to +85°C.
SIDE 1
G = +2
1V STEP
SIDE 2
200mV
5ns
Figure 2. 1 V Step Response, G = +1
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
1 page  
AD8002
Parameter
POWER SUPPLY
Operating Range
Quiescent Current/Both Amplifiers
Power Supply Rejection Ratio
Input Current (−IN1, −IN2)
Input Current (+IN1, +IN2)
Test Conditions/Comments
TMIN to TMAX
+VS = +4 V to +6 V, −VS = −5 V
−VS = −4 V to −6 V, +VS = +5 V
TMIN to TMAX
TMIN to TMAX
Min Typ
±3.0
10.0
60 75
49 56
0.5
0.1
1 RC is recommended to reduce peaking and minimize input reflections at frequencies above 300 MHz. However, RC is not required.
2 Output current is limited by the maximum power dissipation in the package. See Figure 3.
Data Sheet
Max Unit
±6.0 V
11.5 mA
dB
dB
2.5 µA/V
0.5 µA/V
Rev. E | Page 4 of 21
5 Page 
AD8002
5
4
–IN
3
2
1
0
–1
+IN
–2
–3
–55 –35 –15 5 25 45 65 85 105 125
JUNCTION TEMPERATURE (°C)
Figure 24. Input Bias Current vs. Junction Temperature
G = +2
2V STEP
RF = 750Ω
RC = 75Ω
RL = 100Ω
ERROR,
(0.05%/DIV)
OUTPUT
INPUT
400mV
2µs
Figure 25. Long Term Settling Time
4
DEVICE 1
3
2
1
DEVICE 2
0
–1 DEVICE 3
–2
–3
–55 –35 –15
5
25 45 65 85 105 125
JUNCTION TEMPERATURE (°C)
Figure 26. Input Offset Voltage vs. Junction Temperature
Data Sheet
11.5
11.0
10.5
10.0
VS = 5V
9.5
9.0
–55 –35 –15
5
25 45 65 85 105 125
JUNCTION TEMPERATURE (°C)
Figure 27. Total Supply Current vs. Junction Temperature
120
115
110
105
100
|SINK ISC|
SOURCE ISC
95
90
85
80
75
70
–55
–35 –15 5 25 45 65 85
JUNCTION TEMPERATURE (°C)
105 125
Figure 28. Short-Circuit Current vs. Junction Temperature
100 100
10
1
10
INVERTING CURRENT VS = ±5V
NONINVERTING CURRENT VS = ±5V
VOLTAGE NOISE VS = ±5V
10
100 1k 10k
FREQUENCY (Hz)
Figure 29. Noise Voltage vs. Frequency
1
100k
Rev. E | Page 10 of 21
11 Page | ||
| Páginas | Total 22 Páginas | |
| PDF Descargar | [ Datasheet AD8002.PDF ] | |
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