Overview
The AD7403BRIZ-RL7, produced by Analog Devices Inc., is a high-performance, second-order, Σ-Δ (Sigma-Delta) modulator. This component is designed to convert an analog input signal into a high-speed, single-bit data stream. It features on-chip digital isolation, making it suitable for applications requiring high isolation and precision. The AD7403BRIZ-RL7 is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) and is compliant with RoHS (Restriction of Hazardous Substances) regulations.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Resolution | - | 16 bits | - | - |
| Signal-to-Noise Ratio (SNR) | 86 dB | 88 dB | - | - |
| Effective Number of Bits (ENOB) | 13.1 bits | 14.2 bits | - | - |
| Full-scale Analog Input Range | - | ±320 mV | - | - |
| Operating Temperature Range | -40°C | - | +105°C (AD7403-8) | - |
| External Clock Input Rate | 5 MHz | - | 20 MHz | - |
| Isolation Transient Immunity | 25 kV/µs | - | 30 kV/µs | - |
| VDD1 Supply Voltage | 4.5 V | - | 5.5 V | - |
| VDD2 Supply Voltage | 3 V | - | 5.5 V | - |
| Power Dissipation | 187 mW | - | 272 mW | - |
Key Features
- High performance, second-order Σ-Δ modulator
- On-chip digital isolation
- 16-bit resolution with no missing codes
- Signal-to-noise ratio (SNR): 88 dB typical
- Effective number of bits (ENOB): 14.2 bits typical
- Full-scale analog input range: ±320 mV
- External clock input rate: 5 MHz to 20 MHz
- High common-mode transient immunity: >25 kV/µs
- Slew rate limited output for low EMI
- Safety and regulatory approvals: UL recognition, CSA certification, VDE Certificate of Conformity
Applications
- Shunt current monitoring
- AC motor controls
- Power and solar inverters
- Wind turbine inverters
- Data acquisition systems
- Analog-to-digital and optoisolator replacements
Q & A
- What is the resolution of the AD7403BRIZ-RL7?
The AD7403BRIZ-RL7 has a resolution of 16 bits. - What is the typical signal-to-noise ratio (SNR) of the AD7403BRIZ-RL7?
The typical SNR is 88 dB. - What is the effective number of bits (ENOB) of the AD7403BRIZ-RL7?
The typical ENOB is 14.2 bits. - What is the full-scale analog input range of the AD7403BRIZ-RL7?
The full-scale analog input range is ±320 mV. - What is the operating temperature range of the AD7403BRIZ-RL7?
The operating temperature range is -40°C to +105°C for the AD7403-8 model. - What is the external clock input rate range of the AD7403BRIZ-RL7?
The external clock input rate range is 5 MHz to 20 MHz. - Does the AD7403BRIZ-RL7 have any safety and regulatory approvals?
Yes, it has UL recognition, CSA certification, and VDE Certificate of Conformity. - What are some common applications of the AD7403BRIZ-RL7?
Common applications include shunt current monitoring, AC motor controls, power and solar inverters, wind turbine inverters, and data acquisition systems. - What type of package does the AD7403BRIZ-RL7 come in?
The AD7403BRIZ-RL7 is packaged in a 16-pin SOIC. - Is the AD7403BRIZ-RL7 RoHS compliant?
Yes, the AD7403BRIZ-RL7 is RoHS compliant.
