Overview
The AD536AJHZ, produced by Analog Devices Inc., is a complete monolithic integrated circuit designed for true rms-to-dc conversion. This device offers performance comparable or superior to that of hybrid or modular units, making it a robust and reliable choice for various applications. The AD536AJHZ directly computes the true rms value of any complex input waveform containing ac and dc components, with a crest factor compensation scheme that allows measurements with 1% error at crest factors up to 7.
Key Specifications
| Parameter | Value |
|---|---|
| Accuracy | ±0.5% maximum error (AD536AJ) |
| Bandwidth | 450 kHz for Vrms > 100 mV, 2 MHz for Vrms > 1 V |
| Crest Factor | Up to 7 for 1% error |
| Supply Voltage | ±3.0 V to ±18 V (dual supply), +5 V to +36 V (single supply) |
| Quiescent Current | 1.2 mA (total VS, 5 V to 36 V, TMIN to TMAX) |
| Temperature Range | 0°C to +70°C (commercial), −55°C to +125°C (extended range) |
| Package | 10-pin TO-100 metal header |
| Output Resistance | 0.5 Ω |
| Small-Signal Bandwidth | 1 MHz |
| Slew Rate | 5 V/μs |
Key Features
- True rms-to-dc conversion with high accuracy and low error rates
- Laser trimmed for minimized input and output offset voltage and optimized waveform symmetry
- Auxiliary dB output pin for logarithmic conversion with a 60 dB dynamic range
- Wide bandwidth and high frequency response capability
- Single- or dual-supply operation with a wide supply voltage range
- Low power consumption with 1.2 mA quiescent current
- Input and output pins fully protected, including short-circuit protection
Applications
The AD536AJHZ is suitable for a variety of applications, including remote controllers, battery-powered instruments, and any system requiring accurate measurement of complex waveforms. Its high accuracy and wide bandwidth make it ideal for use in audio, medical, and industrial measurement equipment. Additionally, its low power consumption and robust design make it a good fit for portable and field-based measurement devices.
Q & A
- What is the primary function of the AD536AJHZ? The AD536AJHZ performs true rms-to-dc conversion, computing the true rms value of complex input waveforms containing ac and dc components.
- What is the maximum error for the AD536AJHZ? The maximum error for the AD536AJHZ is ±0.5% of reading.
- What is the bandwidth of the AD536AJHZ? The device has a bandwidth of 450 kHz for Vrms > 100 mV and 2 MHz for Vrms > 1 V.
- What is the crest factor compensation of the AD536AJHZ? The device allows measurements with 1% error at crest factors up to 7.
- What are the supply voltage options for the AD536AJHZ? The device can operate from ±3.0 V to ±18 V (dual supply) or +5 V to +36 V (single supply).
- What is the quiescent current of the AD536AJHZ? The quiescent current is 1.2 mA.
- What is the temperature range for the AD536AJHZ? The commercial temperature range is 0°C to +70°C, and the extended range is −55°C to +125°C.
- What package options are available for the AD536AJHZ? The device is available in a 10-pin TO-100 metal header package.
- Does the AD536AJHZ have any special output features? Yes, it has an auxiliary dB output pin for logarithmic conversion with a 60 dB dynamic range.
- Is the AD536AJHZ protected against overloads and short circuits? Yes, the input and output pins are fully protected, including short-circuit protection.
