| Allicdata Part #: | AD8148ACPZ-R7TR-ND |
| Manufacturer Part#: |
AD8148ACPZ-R7 |
| Price: | $ 0.00 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Analog Devices Inc. |
| Short Description: | IC DRIVER TRIPLE DIFF 24-LFCSP |
| More Detail: | Video Amp, 3 Differential 24-LFCSP-WQ (4x4) |
| DataSheet: |  AD8148ACPZ-R7 Datasheet/PDF |
| Quantity: | 1000 |
Specifications
| Series: | -- |
| Packaging: | Tape & Reel (TR) |
| Part Status: | Active |
| Applications: | Differential |
| Output Type: | Differential |
| Number of Circuits: | 3 |
| -3db Bandwidth: | 900MHz |
| Slew Rate: | 3000 V/µs |
| Current - Supply: | 62.5mA |
| Current - Output / Channel: | 87mA |
| Voltage - Supply, Single/Dual (±): | 4.5 V ~ 11 V, ±2.25 V ~ 5.5 V |
| Mounting Type: | Surface Mount |
| Package / Case: | 24-WFQFN Exposed Pad, CSP |
| Supplier Device Package: | 24-LFCSP-WQ (4x4) |
| Base Part Number: | AD8148 |
Description
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AD8148ACPZ-R7 is a high-speed, low-noise, video line-driver amplifier from Analog Devices. It is designed to provide high-performance, cost-effective solutions for low voltage analog video signals in applications such as LCD panels, plasma monitors, and surveillance systems.
Application Field
The AD8148ACPZ-R7 is an ideal choice for flat-panel display designs, such as LCD TVs, plasma displays, and projectors, as well as single-ended video line drivers for video distribution systems. It is also used as a video line driver in video surveillance systems and video conference systems. The amplifier operates from the low voltage (1.8V to 5V) supplies and is capable of driving up to 150mA of current at high-speed (500MHz). The device features a gain of 1 (Vin = Vo) and can provide a full-swing differential output of up to 0.625Vpp. It offers low overall distortion and noise, with SDF as low as 0.0001%.Working Principle
The AD8148ACPZ-R7 uses a standard differential line-driver configuration and works on the principle of voltage compensation. This is a method of compensation where the gain of the amplifier is adjusted according to the common-mode voltage of the input. The line driver can detect the common-mode voltage of the input and compensates for it, resulting in a low output impedance, which ensures it is able to accurately amplify single-ended video signals. The device also features a built-in charge pump for boosting the low supply voltages. The charge pump has a separate voltage-independent input/output and uses a series of capacitive voltage dividers to provide higher voltage supplies. The charge pump ensures that the supply rail is not limited to the common-mode voltage of the input, resulting in an improved output swing.The device also has a differential output section, with the input signals being converted to a differential output signal. The differential output is then amplified and shaped to provide a low distortion and low noise output. The supply voltage is also adjusted according to the output voltage, to ensure that the output remains within the linear region.Conclusion
The AD8148ACPZ-R7 is a high-speed, low-noise, video line-driver amplifier. It offers low overall distortion and noise, with SDF as low as 0.0001%. The device is ideal for use in applications such as LCD panels, plasma monitors, and surveillance systems. It can be used as a video line driver in video surveillance systems and video conference systems. The device works on the principle of voltage compensation and uses a built-in charge pump for boosting the low supply voltages.The specific data is subject to PDF, and the above content is for reference
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