Overview
The AD7401YRWZ is a high-performance, 16-bit sigma-delta modulator manufactured by Analog Devices Inc. This integrated circuit (IC) is designed to convert analog input signals into a high-speed, 1-bit data stream. It features on-chip digital isolation using Analog Devices' iCoupler® technology, ensuring robust and reliable signal conversion. The AD7401YRWZ is particularly suited for applications requiring precise signal conditioning, such as AC motor controls, data acquisition systems, and replacements for A/D converters with opto-isolators.
Key Specifications
| Specification | Value |
|---|---|
| Resolution (Bits) | 16-bit |
| Input Channel Type | Differential |
| Supply Voltage Type | Single |
| Supply Voltage Min | 3V |
| Supply Voltage Max | 5.5V |
| No. of Pins | 16 Pins |
| ADC / DAC Case Style | WSOIC |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 105°C |
| Data Interface | Serial |
| Maximum External Clock Rate | 20 MHz |
| Maximum Power Consumption | 375 mW |
Key Features
- Second-order sigma-delta modulator with no missing codes at 16 bits.
- On-chip digital isolator using iCoupler® technology.
- On-board reference and adjustable filter corner frequency for low-pass filtering and anti-aliasing.
- Low power operation with a maximum current of 20 mA at 5.25 V.
- High accuracy with ±2 LSB INL typical and 3.5 μV/°C maximum offset drift.
- Safety and regulatory approvals including UL recognition 5000V rms for 1 minute per UL 1577, CSA Component Acceptance Notice #5A, and VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12.
Applications
The AD7401YRWZ is versatile and can be used in various applications, including:
- AC motor controls: For precise control and monitoring of motor operations.
- Data acquisition systems: To convert analog signals into digital data with high accuracy.
- A/D + opto-isolator replacements: Offering a more integrated and reliable solution compared to traditional opto-isolators.
Q & A
- What is the resolution of the AD7401YRWZ?
The AD7401YRWZ has a resolution of 16 bits. - What type of input channel does the AD7401YRWZ support?
The AD7401YRWZ supports differential input channels. - What is the supply voltage range for the AD7401YRWZ?
The supply voltage range is from 3V to 5.5V. - What is the operating temperature range of the AD7401YRWZ?
The operating temperature range is from -40°C to 105°C. - What is the maximum external clock rate for the AD7401YRWZ?
The maximum external clock rate is 20 MHz. - Does the AD7401YRWZ have on-chip digital isolation?
Yes, it features on-chip digital isolation using iCoupler® technology. - What are the safety and regulatory approvals for the AD7401YRWZ?
The device has UL recognition 5000V rms for 1 minute per UL 1577, CSA Component Acceptance Notice #5A, and VDE certificate of conformity DIN V VDE V 0884-10 (VDE V 0884-10):2006-12. - What is the maximum power consumption of the AD7401YRWZ?
The maximum power consumption is 375 mW. - In what package is the AD7401YRWZ available?
The AD7401YRWZ is available in a 16-lead WSOIC package. - What are some typical applications of the AD7401YRWZ?
Typical applications include AC motor controls, data acquisition systems, and A/D + opto-isolator replacements.
