Datasheet AD8005 (Analog Devices)

270 MHz, 400 μA Current Feedback Amplifier Data Sheet AD8005 FEATURES FUNCTIONAL BLOCK DIAGRAMS Ultralow power NC 1 AD8005 8 NC 400 μA power supply current (4 mW on ±5 VS) –IN 2 7 +VS Specified for single supply operation +IN 3 6 OUT High speed –VS 4 5 NC 270 MHz, −3 dB bandwidth (G = +1) TOP VIEW (Not to Scale)
-002
170 MHz, −3 dB bandwidth (G = +2) NC = NO CONNECT
12146
280 V/μs slew rate (G = +2)
Figure 1. 8-Lead PDIP and SOIC_N
28 ns settling time to 0.1%, 2 V step (G = +2) AD8005 Low distortion/noise −63 dBc at 1 MHz, V OUT 1 5 +V O = 2 V p-p S −50 dBc at 10 MHz, VO = 2 V p-p –VS 2 4.0 nV/√Hz input voltage noise at 10 MHz +IN 3 4 –IN Good video specifications (RL = 1 kΩ, G = +2) TOP VIEW
003
Gain flatness 0.1 dB to 30 MHz (Not to Scale)
12146-
0.11% differential gain error
Figure 2. 5-Lead SOT-23
0.4° differential phase error 3 G = +2 APPLICATIONS 2 VOUT = 200mV p-p RL = 1kΩ Signal conditioning 1 ) A/D buffer B (d 0 Power sensitive, high speed systems N AI –1 Battery powered equipment G D E VS = ±5V Loop/remote power systems IZ –2 AL Communication or video test systems M R –3 Portable medical instruments NO –4 V GENERAL DESCRIPTION S = +5V –5
The AD8005 is an ultralow power, high speed amplifier with a
–6
01 0 wide signal bandwidth of 170 MHz and slew rate of 280 V/μs.
0.1 1 10 100 500
46-
FREQUENCY (MHz)
121 This performance is achieved while consuming only 400 μA of Figure 3. Frequency Response; G = ±2, VS = +5 V or ±5 V quiescent supply current. These features increase the operating
–40
time of high speed battery powered systems without reducing
G = +2 V
dynamic performance.
OUT = 2V p-p RL = 1kΩ –50 THIRD HARMONIC
The current feedback design results in gain flatness of 0.1 dB to 30 MHz while offering differential gain and phase errors of 0.11%
c) –60 B d
and 0.4°. Harmonic distortion is low over a wide bandwidth with
( ION
THDs of −63 dBc at 1 MHz and −50 dBc at 10 MHz. Ideal features
T –70 OR SECOND HARMONIC
for a signal conditioning amplifier or buffer to a high speed A-to-D
T IS –80
converter in portable video, medical or communication systems.
D
The AD8005 is characterized for +5 V and ±5 V supplies and
–90
operates over the industrial temperature range of −40°C to +85°C. The amplifier is supplied in 8-lead PDIP, 8-lead SOIC_N,
–100 1 10 20
04 0 and 5-lead SOT-23 packages. 6-
FREQUENCY (MHz)
14 12 Figure 4. Distortion vs. Frequency; VS = ±5 V
Rev. B Document Feedback 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. Specifications subject to change without notice. No One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Tel: 781.329.4700 ©1996–2014 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com
Document Outline Features Applications General Description Functional Block Diagrams Table of Contents Revision History Specifications ±5 V Supplies +5 V Supply Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Typical Performance Characteristics Applications Driving Capicative Loads Single-Supply Level Shifter Single-Ended-to-Differential Conversion Layout Considerations Increasing Feedback Resistors Outline Dimensions Ordering Guide