Overview
The AD8436BRQZ-RL, produced by Analog Devices Inc., is a state-of-the-art, 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, making it an ideal choice for various applications requiring precise signal processing.
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 | VEE - 0.3 V to VCC + 0.3 V | V |
| Input Current | ±10 mA | mA |
| Operating Temperature Range | −40°C to +125°C (A and B grades), 0°C to 70°C (J grade) | °C |
| Power Dissipation | 1.1 W (RQ Package), 1.2 W (LFCSP without thermal pad), 2.1 W (LFCSP with thermal pad) | W |
| Input Dynamic Range | 100 μV to 3 V rms (8.5 V p-p) | V |
| Accuracy | ±0.5% and ±10 μV output offset | % and μV |
| Crest Factor Error | <0.5% for CF values between 1 and 10 | % |
| Package Type | 20-Lead QSOP and 20-Lead LFCSP |
Key Features
- Delivers true rms or average rectified value of ac waveforms with high accuracy (±0.5% and ±10 μV output offset)
- Wide dynamic input range: 100 μV to 3 V rms (8.5 V p-p)
- Fast settling at all input levels and no residual switching products
- Low power consumption: 300 μA typical at ±2.4 V
- High-Z FET separately powered input buffer and precision dc output buffer
- Wide bandwidth: 1 MHz for −3 dB (300 mV) and 65 kHz for additional 1% error
- Accurate conversion with crest factors up to 10
- Compact packages: 4 mm × 4 mm LFCSP and 8 mm × 6 mm QSOP, ESD protected
Applications
- Portable multi-meters and other battery-powered applications due to low power consumption
- Switch mode power supplies and triac applications due to its ability to handle complex ac waveforms
- Low level signal conditions requiring high accuracy and wide dynamic range
- Applications requiring minimal external components, as only a single external averaging capacitor is needed
Q & A
- What is the AD8436BRQZ-RL used for?
The AD8436BRQZ-RL is used to compute the precise dc equivalent of the rms value of ac waveforms, including complex patterns generated by switch mode power supplies and triacs.
- What are the supply voltage ranges for the AD8436BRQZ-RL?
The supply voltage ranges are dual: ±2.4 V to ±18 V, and single: 4.8 V to 36 V.
- What is the operating temperature range for the AD8436BRQZ-RL?
The operating temperature range is −40°C to +125°C for A and B grades, and 0°C to 70°C for J grade.
- What is the input dynamic range of the AD8436BRQZ-RL?
The input dynamic range is 100 μV to 3 V rms (8.5 V p-p).
- How accurate is the AD8436BRQZ-RL?
The AD8436BRQZ-RL has an accuracy of ±0.5% and ±10 μV output offset.
- What are the package types available for the AD8436BRQZ-RL?
The available package types are 20-Lead QSOP and 20-Lead LFCSP.
- Does the AD8436BRQZ-RL require external scaling for its input range?
No, it does not require external scaling for its input range, but larger inputs can be accommodated with external scaling.
- What is the power consumption of the AD8436BRQZ-RL?
The typical power consumption is 300 μA at ±2.4 V.
- Is the AD8436BRQZ-RL ESD protected?
- What are some common applications of the AD8436BRQZ-RL?
- Does the AD8436BRQZ-RL have any residual switching products?
No, the AD8436BRQZ-RL does not have any residual switching products.
