LT6553IGN#PBF

Series:	--
Packaging:	Tube
Part Status:	Active
Applications:	General Purpose
Output Type:	--
Number of Circuits:	3
-3db Bandwidth:	650MHz
Slew Rate:	2500 V/µs
Current - Supply:	8mA
Current - Output / Channel:	70mA
Voltage - Supply, Single/Dual (±):	4.5 V ~ 12 V, ±2.25 V ~ 6 V
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Supplier Device Package:	16-SSOP
Base Part Number:	LT6553

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LT6553IGN#PBF Application Field and Working Principle

The LT6553IGN#PBF is a monolithic, full differential video amplifier designed for the highest video fidelity. It is part of the Linear family of video amps and modules, which offers a complete portfolio of High-Speed Video Amplifiers designed to optimize signal speed, accuracy, and power consumption.

Application Field

The LT6553IGN#PBF is designed to be used as a video amplifier in applications requiring greatly increased bandwidths, including digital video, video switchers,chroma/luma processing,buffers, equalizers, summing amplifiers, and RGB separators to name a few. Its wide bandwidth and low distortion makes it ideal for video, broadcast, or teleconferencing solutions. In addition, it can be utilized in applications such as instrumentation and data acquisition systems where high speed and accuracy is desired, or converting signals from Low voltage Differential Signaling (LVDS)compatible sources into standard TTL compatible signals.

Features and Benefits

The LT6553IGN#PBF offers an array of features and benefits such as: • Full differential input and output;• Up to 1GHz(-3dB) bandwidth;• Low distortion of -80dBc at 1MHz or less;• Operation from a single +5V power supply;• Rail-to-rail on-chip output current sources;• Gain up to 12dB.

Pin Configuration

The LT6553IGN#PBF package is a 28 leads Wide-Body SOIC and the pin configuration of the device is as follows:

Pin 1: VEE

This is the Negative Supply Voltage and should be connected to ground.

Pin 2: IN-

This is the negative Differential Input Signal.

Pin 3: IN+

This is the positive Differential Input Signal.

Pin 4: BYPASS

This pin is used to bypass the ALC control voltage.

Pin 5: VCC

This is the Positive Supply Voltage, which should be connected to the supply voltage (typically +5V).

Pin 6: GND

This is the Ground terminal. All unused terminals should be connected to this pin.

Pin 7-26: ALC

These pins are the Automatic Level Control pins and are used to adjust the output level.

Pin 27: OUT-

This is the negative Differential Output Signal.

Pin 28: OUT+

This is the positive Differential Output Signal.

Working Principle

The LT6553IGN#PBF operates by converting low level differential input signals into high level differential output signals. The device has full gain control which is achieved via the ALC pins. The ALC pins set the reference voltage for the Automatic Level Control; when the output voltage level reaches this reference voltage, the ALC reduces the gain slightly. The LT6553IGN#PBF is well suited to applications requiring an adjustable gain with a wide bandwidth. The device can easily achieve gains of up to 12dB with a -3dB bandwidth of up to 1GHz, making it an attractive solution for high speed, low distortion video applications. The wide bandwidth allows the device to handle both digital and analog signals, making it versatile and well suited for a wide range of applications. In addition, the LT6553IGN#PBF is designed to minimize power consumption, with a maximum of 260mW at +5V with a 4V differential output. This low power consumption makes the device a great choice for portable or low power applications.The LT6553IGN#PBF is a high performing, low power device from the Linear family of video amps and modules, combining the ability to deliver wide bandwidth, low distortion, and adjustable gain in a low power package. It is ideal for applications requiring both digital and analog operation. In addition, its low power consumption and rail-to-rail output current sources make it an excellent choice for cost sensitive, power limited applications.

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