Datasheet ADA4856-3 (Analog Devices)

Single-Supply, High Speed, Fixed G = +2, Rail-to-Rail Output Video Amplifier Data Sheet ADA4856-3 FEATURES Voltage feedback architecture CONNECTION DIAGRAM Rail-to-rail output swing: 0.1 V to 4.9 V 1 1 T N S High speed amplifier N1 +I –I OU –V −3 dB bandwidth: 225 MHz 16 15 14 13 0.1 dB flatness at 2 V p-p: 74 MHz Slew rate: 800 V/μs NC 1 12 +VS Settling time to 0.1% with 2 V step: 5 ns High input common-mode voltage range +IN2 2 11 OUT2 −V ADA4856-3 S − 0.2 V to +VS − 1 V NC 3 10 –IN2 Supply range: 3 V to 5.5 V Differential gain error: 0.01% PD 4 9 +VS Differential phase error: 0.01° Low power 7.8 mA/amplifier typical supply current 5 6 7 8 3 3 S T Power-down feature N N3 +I –I –V NOTES OU Available in 16-lead LFCSP
01 0
1. NC = NO CONNECT.
6-
2. EXPOSED PAD CONNECTED TO –V
768
S.
0 Figure 1.
APPLICATIONS Professional video Consumer video Imaging Instrumentation Base stations Active filters Buffers GENERAL DESCRIPTION 7 VS = 5V, VOUT = 1.4V p-p VS = 3.3V, VOUT = 1.4V p-p
The ADA4856-3 (triple) is a fixed gain of +2, single-supply, rail-
6
to-rail output video amplifier. It provides excellent video
) VS = 3.3V, VOUT = 2V p-p B
performance with 225 MHz, −3 dB bandwidth, 800 V/μs slew rate,
d 5 ( VS = 5V, VOUT = 2V p-p IN
and 74 MHz, 0.1 dB flatness into a 150 Ω load. It has a wide
GA 4
input common-mode voltage range that extends 0.2 V below
OOP
ground and 1 V below the positive rail. In addition, the output
-L 3 D
voltage swings within 200 mV of either supply, making this video
E OS
amplifier easy to use on single-supply voltages as low as 3.3 V.
L 2 C
The ADA4856-3 offers a typical low power of 7.8 mA per amplifier,
1
58 while being capable of delivering up to 52 mA of load current. 0 6-
R
68
L = 150Ω
It also features a power-down function for power sensitive
0
07
1 10 100 1000
applications that reduces the supply current to 1 mA.
FREQUENCY (MHz)
The ADA4856-3 is available in a 16-lead LFCSP and is designed Figure 2. Large Signal Frequency Response to work over the extended industrial temperature range of −40°C to +105°C.
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Document Outline Features Applications Connection Diagram General Description Revision History Specifications 5 V Operation 3.3 V Operation Absolute Maximum Ratings Thermal Resistance Maximum Power Dissipation ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Using the ADA4856-3 in Gains Equal to +1, −1 Unity-Gain Operation Option 1 Option 2 Inverting Unity-Gain Operation Using the ADA4856-3 in Gains Equal to +3, +4, and +5 Gain of +3 Configuration Gain of +4 Configuration Gain of +5 Configuration 20 MHz Active Low-Pass Filter Video Line Driver Single-Supply Operation Power Down Layout Considerations Power Supply Bypassing Outline Dimensions Ordering Guide