Overview
The ADA4432-1WBRJZ-R7, produced by Analog Devices Inc., is a single-ended input/single-ended output video filter amplifier designed for robust performance in demanding video applications. This component is part of the ADA4432-1 series, which combines advanced video reconstruction filtering with integrated overvoltage protection, including short-to-battery (STB) and short-to-ground (STG) protection. This makes it particularly suitable for automotive and other harsh environments where reliability and protection against voltage surges are critical.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 2.6 V to 3.6 V |
| Operating Temperature Range | −40°C to +125°C |
| Package Type | 6-Lead SOT-23 |
| Input Voltage Range | 0 to 1.34 V (ADA4432-1W only: 0 to 1.47 V) |
| Input Resistance | >1.0 GΩ |
| Input Capacitance | 8 pF |
| Input Bias Current | 35 pA |
| Output Offset Voltage | 192 mV to 300 mV |
| Output Voltage Swing | 0.28 +VS − 0.42 V (RL = 150 Ω) |
| Linear Output Current | ±37 mA |
| Short-Circuit Output Current | ±50 mA |
| STB Output Trigger Threshold | 6.3 V to 8.1 V |
| Disconnect Time After Fault | 150 ns |
| Reconnect Time After Fault Removal | 300 ns |
| Cutoff Frequency | −3 dB at 10 MHz |
| Rejection at 27 MHz | 45 dB |
Key Features
- Single-ended input and single-ended output video filter amplifier.
- Integrated short-to-battery (STB) and short-to-ground (STG) protection up to 18 V.
- High-order filter with −3 dB cutoff frequency at 10 MHz and 45 dB rejection at 27 MHz.
- Internally fixed gain of 2 V/V.
- Low power consumption with a quiescent current of 7.6 mA.
- Robust ESD tolerance and automotive-grade reliability (AEC-Q100 qualified).
- Operating supply voltage range of 2.6 V to 3.6 V.
- Available in 6-lead SOT-23 and 8-lead LFCSP packages.
Applications
The ADA4432-1WBRJZ-R7 is ideal for various video applications, including:
- Standard Definition (SD) video systems such as NTSC and PAL.
- Automotive video systems where protection against voltage surges and robust performance are essential.
- Industrial and commercial video systems requiring high reliability and low power consumption.
- Any application needing a high-quality video filter with integrated overvoltage protection.
Q & A
- What is the primary function of the ADA4432-1WBRJZ-R7?
The ADA4432-1WBRJZ-R7 is a single-ended input/single-ended output video filter amplifier designed to reconstruct video signals while providing overvoltage protection. - What types of protection does the ADA4432-1WBRJZ-R7 offer?
The component offers short-to-battery (STB) and short-to-ground (STG) protection. - What is the operating supply voltage range of the ADA4432-1WBRJZ-R7?
The operating supply voltage range is from 2.6 V to 3.6 V. - What is the cutoff frequency of the ADA4432-1WBRJZ-R7?
The cutoff frequency is −3 dB at 10 MHz. - What is the rejection at 27 MHz for the ADA4432-1WBRJZ-R7?
The rejection at 27 MHz is 45 dB. - What are the typical applications for the ADA4432-1WBRJZ-R7?
Typical applications include SD video systems (NTSC and PAL), automotive video systems, and industrial/commercial video systems. - What is the package type of the ADA4432-1WBRJZ-R7?
The package type is 6-lead SOT-23. - What is the operating temperature range of the ADA4432-1WBRJZ-R7?
The operating temperature range is from −40°C to +125°C. - Is the ADA4432-1WBRJZ-R7 AEC-Q100 qualified?
Yes, it is AEC-Q100 qualified, making it suitable for automotive applications. - What is the quiescent current of the ADA4432-1WBRJZ-R7?
The quiescent current is 7.6 mA.
