Overview
The AD8147ACPZ-R7, produced by Analog Devices Inc., is a high-performance triple differential video amplifier designed for applications requiring high-resolution video signal transmission. This component is part of the AD8146/AD8147/AD8148 family, which is optimized for component video signals but can also handle other types of analog signals and high-speed data. The AD8147 features a fixed gain of 2, making it suitable for various video transmission and networking applications.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Slew Rate | - | - | 3000 V/μs | V/μs |
| Gain | - | - | 2 | V/V |
| Bandwidth (-3 dB) | - | - | 780 MHz | MHz |
| Input Offset Voltage | -36 | - | 36 | mV |
| Input Resistance (Differential) | - | - | 1.0 kΩ | Ω |
| Input Capacitance (Differential) | - | - | 2 pF | pF |
| Common Mode Rejection Ratio (CMRR) | -49 | - | - | dB |
| Supply Voltage Range | 4.5 | - | 11 | V |
| Operating Supply Current | - | - | 61.5 mA | mA |
| Package | - | - | 24-WFQFN Exposed Pad, CSP | - |
| Operating Temperature Range | -40 | - | 85 | °C |
Key Features
- Differential or single-ended input to differential output, allowing for flexible signal handling.
- Fixed gain of 2, suitable for high-resolution video signal transmission.
- High slew rate of 3000 V/μs, ensuring fast signal transition times.
- Wide bandwidth of up to 780 MHz, supporting high-speed data transmission.
- Adjustable output common-mode voltage, enhancing signal flexibility.
- Internal common-mode feedback network for output amplitude and phase matching.
- Sync-on common-mode encoding for vertical and horizontal sync signals (specific to AD8147 and AD8148 models).
- Low power consumption of 61.5 mA at 5 V supply voltage.
- Compact 24-pin LFCSP package, ideal for space-constrained designs.
Applications
- QXGA or 1080p video transmission.
- KVM (Keyboard, Video, Mouse) networking.
- Video over unshielded twisted pair (UTP) cables.
- Differential signal multiplexing.
- Video distribution systems, especially when used with the AD8145 triple differential-to-single-ended receiver and the AD8117 crosspoint switch.
Q & A
- What is the primary function of the AD8147ACPZ-R7?
The AD8147ACPZ-R7 is a triple differential video amplifier designed for high-resolution video signal transmission.
- What is the gain of the AD8147ACPZ-R7?
The gain of the AD8147ACPZ-R7 is fixed at 2.
- What is the slew rate of the AD8147ACPZ-R7?
The slew rate of the AD8147ACPZ-R7 is 3000 V/μs.
- What is the bandwidth of the AD8147ACPZ-R7?
The bandwidth of the AD8147ACPZ-R7 is up to 780 MHz.
- What is the input offset voltage range of the AD8147ACPZ-R7?
The input offset voltage range is -36 mV to +36 mV.
- What is the common mode rejection ratio (CMRR) of the AD8147ACPZ-R7?
The CMRR is -49 dB.
- What is the supply voltage range for the AD8147ACPZ-R7?
The supply voltage range is 4.5 V to 11 V.
- What is the operating supply current of the AD8147ACPZ-R7?
The operating supply current is 61.5 mA.
- In what package is the AD8147ACPZ-R7 available?
The AD8147ACPZ-R7 is available in a 24-pin LFCSP package.
- What are some typical applications of the AD8147ACPZ-R7?
Typical applications include QXGA or 1080p video transmission, KVM networking, video over UTP cables, and differential signal multiplexing.
