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AD8041AN Datenblatt(PDF) 1 Page - Analog Devices

Teile-Nr. AD8041AN
Beschreibung  160 MHz Rail-to-Rail Amplifier with Disable
Download  18 Pages
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Hersteller  AD [Analog Devices]
Homepage  http://www.analog.com
Logo AD - Analog Devices

AD8041AN Datenblatt(HTML) 1 Page - Analog Devices

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REV. B
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. Trademarks and
registered trademarks are the property of their respective companies.
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
© 2003 Analog Devices, Inc. All rights reserved.
AD8041
160 MHz Rail-to-Rail
Amplifier with Disable
FEATURES
Fully Specified for +3 V, +5 V, and
5 V Supplies
Output Swings Rail to Rail
Input Voltage Range Extends 200 mV Below Ground
No Phase Reversal with Inputs 1 V Beyond Supplies
Disable/Power-Down Capability
Low Power of 5.2 mA (26 mW on 5 V)
High Speed and Fast Settling on 5 V:
160 MHz –3 dB Bandwidth (G = +1)
160 V/ s Slew Rate
30 ns Settling Time to 0.1%
Good Video Specifications (RL = 150
, G = +2)
Gain Flatness of 0.1 dB to 30 MHz
0.03% Differential Gain Error
0.03 Differential Phase Error
Low Distortion
–69 dBc Worst Harmonic @ 10 MHz
Outstanding Load Drive Capability
Drives 50 mA 0.5 V from Supply Rails
Cap Load Drive of 45 pF
APPLICATIONS
Power Sensitive High Speed Systems
Video Switchers
Distribution Amplifiers
A/D Drivers
Professional Cameras
CCD Imaging Systems
Ultrasound Equipment (Multichannel)
Single-Supply Multiplexer
CONNECTION DIAGRAM
8-Lead PDIP, CERDIP and SOIC
VS
DISABLE
1
2
3
4
8
7
6
5
NC = NO CONNECT
NC
NC
OUTPUT
–INPUT
INPUT
–VS
AD8041
(Top View)
PRODUCT DESCRIPTION
The AD8041 is a low power voltage feedback, high speed ampli-
fier designed to operate on +3 V, +5 V, or
±5 V supplies. It has
true single-supply capability with an input voltage range extending
200 mV below the negative rail and within 1 V of the positive rail.
5V
2.5V
0V
200ns
1V
Figure 1. Output Swing: G = –1, VS = 5 V
The output voltage swing extends to within 50 mV of each rail,
providing the maximum output dynamic range. Additionally, it
features gain flatness of 0.1 dB to 30 MHz while offering differ-
ential gain and phase error of 0.03% and 0.03
° on a single 5 V
supply. This makes the AD8041 ideal for professional video
electronics such as cameras, video switchers, or any high speed
portable equipment. The AD8041’s low distortion and fast settling
make it ideal for buffering high speed A-to-D converters.
The AD8041 has a high speed disable feature useful for mul-
tiplexing or for reducing power consumption (1.5 mA). The
disable logic interface is compatible with CMOS or open-
collector logic. The AD8041 offers a low power supply current
of 5.8 mA maximum and can run on a single 3 V power supply.
These features are ideally suited for portable and battery-
powered applications where size and power are critical.
The wide bandwidth of 160 MHz along with 160 V/
µs of slew
rate on a single 5 V supply make the AD8041 useful in many
general-purpose high speed applications where dual power
supplies of up to
±6 V and single supplies from 3 V to 12 V are
needed. The AD8041 is available in 8-lead PDIP and SOIC
over the industrial temperature range of –40
°C to +85°C.
FREQUENCY (MHz)
VS = 5V
G = +2
RF = 400
0
100
80
60
40
20
0
2
1
–2
–1
–8
–7
–6
–5
–4
–3
Figure 2. Frequency Response: G = +2, VS = 5 V


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