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Analog Devices - (ADA4853-x) Video Op Amp

Numéro de référence ADA4853-3
Description (ADA4853-x) Video Op Amp
Fabricant Analog Devices 
Logo Analog Devices 





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ADA4853-3 fiche technique
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Low Power, Rail-to-Rail Output,
Video Op Amp with Ultralow Power Disable
ADA4853-1/ADA4853-2/ADA4853-3
FEATURES
Ultralow power-down current: 0.1 μA
Low quiescent current: 1.4 mA/amplifier
Ideal for standard definition video
High speed
100 MHz, −3 dB bandwidth
120 V/μs slew rate
0.5 dB flatness: 22 MHz
Differential gain: 0.20%
Differential phase: 0.10°
Single-supply operation
Rail-to-rail output
Output swings to within 200 mV of either rail
Low voltage offset: 1 mV
Wide supply range: 2.65 V to 5 V
APPLICATIONS
Portable multimedia players
Video cameras
Digital still cameras
Consumer video
GENERAL DESCRIPTION
The ADA4853-1/ADA4853-2/ADA4853-3 are low power, low
cost, high speed, rail-to-rail output op amps with ultralow
power disable that are ideal for portable consumer electronics.
Despite their low price, the ADA4853-1/ADA4853-2/ADA4853-3
provide excellent overall performance and versatility. The
100 MHz, −3 dB bandwidth and 120 V/μs slew rate make these
amplifiers well-suited for many general-purpose, high speed
applications.
The ADA4853-1/ADA4853-2/ADA4853-3 voltage feedback op
amps are designed to operate at supply voltages as low as 2.65 V
and up to 5 V using only 1.4 mA of supply current per amplifier.
To further reduce power consumption, the amplifiers are equipped
with a power-down mode that lowers the supply current to less
than 1.5 μA maximum, making them ideal in battery-powered
applications.
The ADA4853-1/ADA4853-2/ADA4853-3 provide users with a
true single-supply capability, allowing input signals to extend
200 mV below the negative rail and to within 1.2 V of the
positive rail. On the output, the amplifiers can swing within
200 mV of either supply rail.
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. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
PIN CONFIGURATIONS
VOUT 1 ADA4853-1 6 +VS
–VS 2
5 POWER DOWN
+IN 3
4 –IN
TOP VIEW
(Not to Scale)
Figure 1. 6-Lead SC70
ADA4853-3
DISABLE 1 1
DISABLE 2 2
DISABLE 3 3
+VS 4
+–
–+
+
12 –VS
11 +IN
10 –IN
9 VOUT
VOUT1 1
–IN1 2
+IN1 3
–VS 4
ADA4853-2
+–
+
12 +VS
11 VOUT2
10 –IN2
9 +IN2
NC = NO CONNECT
Figure 2. 16-Lead LFCSP_VQ
DISABLE 1 1
14 VOUT
DISABLE 2 2
+ – 13 –IN
DISABLE 3 3
12 +IN
+VS 4 ADA4853-3 11 –VS
+IN 5
10 +IN
–IN 6 – + + – 9 –IN
VOUT 7
8 VOUT
Figure 3. 16-Lead LFCSP_VQ
Figure 4. 16-Lead TSSOP
With their combination of low price, excellent differential gain
(0.2%), differential phase (0.10°), and 0.5 dB flatness out to
22 MHz, these amplifiers are ideal for video applications.
The ADA4853-1 is available in a 6-lead SC70, the ADA4853-2 is
available in a 16-lead LFCSP_VQ, and the ADA4853-3 is available
in both a 16-lead LFCSP_VQ and a 14-lead TSSOP. The
ADA4853-1 temperature range is −40°C to +85°C, while the
ADA4853-2/ADA4853-3 temperature range is −40°C to +105°C.
6.5
6.4
VS = 5V
RL = 150
G = +2
6.3
0.1V p-p
6.2
6.1
6.0 2.0V p-p
5.9
5.8
5.7
5.6
5.5
0.1
1
FREQUENCY (MHz)
10
Figure 5. 0.5 dB Flatness Frequency Response
40
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113
©2006 Analog Devices, Inc. All rights reserved.

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