Overview
The AD8436BRQZ-R7, produced by Analog Devices Inc., is a cutting-edge, translinear precision, low power, true rms-to-dc converter. This component is designed to compute the precise dc equivalent of the rms value of ac waveforms, including complex patterns generated by switch mode power supplies and triacs. It offers high accuracy across a wide range of input levels and temperatures, with an ensured accuracy of ≤±0.5% and ≤10 μV output offset. The AD8436 is notable for its low power consumption, ease of use, and compact packaging, making it suitable for various applications, including portable multi-meters and other battery-powered devices.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | Dual: ±2.4 V to ±18 V; Single: 4.8 V to 36 V | V |
| Input Voltage Range | 100 μV rms to 3 V rms (8.5 V p-p) | V |
| Accuracy | ±10 μV ± 0.25% of reading (B grade) | - |
| Crest Factor Error | <0.5% for CF values between 1 and 10 | - |
| Bandwidth | 1 MHz for −3 dB (300 mV); 65 kHz for additional 1% error | Hz |
| Power Consumption | 300 μA typical at ±2.4 V | μA |
| Operating Temperature Range | −40°C to 125°C (A and B grades); 0°C to 70°C (J grade) | °C |
| Package Type | 20-Lead QSOP or 20-Lead LFCSP | - |
| ESD Protection | Yes | - |
Key Features
- True rms-to-dc conversion with high accuracy and low output offset.
- Wide dynamic input range: 100 μV rms to 3 V rms (8.5 V p-p).
- Low power consumption: 300 μA typical at ±2.4 V.
- High-Z FET input buffer and precision dc output buffer.
- Compact packaging: 4 mm × 4 mm LFCSP and 8 mm × 6 mm QSOP.
- Wide power supply voltage range: Dual ±2.4 V to ±18 V; Single 4.8 V to 36 V.
- No programming expense or processor overhead.
- On-board buffer amplifiers for various application options.
- ESD protected.
Applications
- Portable multi-meters and other battery-powered devices.
- Switch mode power supplies and triac applications.
- Low level signal measurement and analysis.
- Industrial and automotive systems requiring precise ac waveform measurement.
- Medical devices and equipment needing accurate signal processing.
Q & A
- What is the primary function of the AD8436BRQZ-R7?
The AD8436BRQZ-R7 is a true rms-to-dc converter that computes the precise dc equivalent of the rms value of ac waveforms.
- What is the accuracy of the AD8436BRQZ-R7?
The accuracy is ≤±0.5% and ≤10 μV output offset.
- What is the input voltage range of the AD8436BRQZ-R7?
The input voltage range is 100 μV rms to 3 V rms (8.5 V p-p).
- What are the available package types for the AD8436BRQZ-R7?
The available package types are 20-Lead QSOP and 20-Lead LFCSP.
- What is the operating temperature range for the AD8436BRQZ-R7?
The operating temperature range is −40°C to 125°C for A and B grades and 0°C to 70°C for J grade.
- Does the AD8436BRQZ-R7 require any programming or processor overhead?
No, it does not require any programming or processor overhead.
- What is the power consumption of the AD8436BRQZ-R7?
The typical power consumption is 300 μA at ±2.4 V.
- Is the AD8436BRQZ-R7 ESD protected?
Yes, it is ESD protected.
- What are some common applications of the AD8436BRQZ-R7?
Common applications include portable multi-meters, switch mode power supplies, and industrial systems requiring precise ac waveform measurement.
- Can the AD8436BRQZ-R7 handle complex ac waveforms?
Yes, it can handle complex patterns such as those generated by switch mode power supplies and triacs.
