Overview
The AD7402-8BRIZ, 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 using Analog Devices' iCoupler® technology, ensuring robust and reliable operation in various industrial and automotive applications. The AD7402 operates over a wide temperature range of −40°C to +105°C, making it suitable for harsh environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 16 bits | |
| Internal Clock Rate | 10 MHz | |
| Signal-to-Noise Ratio (SNR) | 87 dB (typical) | |
| Effective Number of Bits (ENOB) | 13.5 bits (typical) | |
| Offset Drift vs. Temperature | 1.7 µV/°C (typical) | |
| Full-Scale Analog Input Range | ±320 mV | |
| Operating Temperature Range | −40°C to +105°C | |
| Common-Mode Transient Immunity | >25 kV/µs | |
| Package Type | 8-lead, wide-body SOIC (RI-8-1) | |
| Safety and Regulatory Approvals | UL recognition, CSA certification, VDE certificate of conformity | |
| Maximum Working Insulation Voltage (VIORM) | 1250 VPEAK |
Key Features
- On-board digital isolator using iCoupler® technology
- On-board reference
- Slew rate limited output for low electromagnetic interference (EMI)
- High common-mode transient immunity
- Robust safety and regulatory approvals including UL, CSA, and VDE certifications
- Wide operating temperature range of −40°C to +105°C
- Full-scale analog input range of ±320 mV
Applications
- Shunt current monitoring
- AC motor controls
- Power and solar inverters
- Wind turbine inverters
- Data acquisition systems
- Analog-to-digital and opto-isolator replacements
Q & A
- What is the resolution of the AD7402? The AD7402 has a resolution of 16 bits.
- What is the internal clock rate of the AD7402? The internal clock rate is 10 MHz.
- What is the typical signal-to-noise ratio (SNR) of the AD7402? The typical SNR is 87 dB.
- What is the effective number of bits (ENOB) of the AD7402? The typical ENOB is 13.5 bits.
- What is the full-scale analog input range of the AD7402? The full-scale analog input range is ±320 mV.
- What are the safety and regulatory approvals for the AD7402? The AD7402 has UL recognition, CSA certification, and VDE certificate of conformity.
- What is the maximum working insulation voltage (VIORM) for the AD7402? The maximum working insulation voltage is 1250 VPEAK.
- What are some common applications of the AD7402? Common applications include shunt current monitoring, AC motor controls, power and solar inverters, wind turbine inverters, and data acquisition systems.
- What is the operating temperature range of the AD7402? The operating temperature range is −40°C to +105°C.
- What type of package does the AD7402 come in? The AD7402 comes in an 8-lead, wide-body SOIC (RI-8-1) package.
