Overview
The AMC1311BQDWVQ1, manufactured by Texas Instruments, is a precision isolated amplifier designed for high-voltage sensing applications. This component is part of the AMC1311-Q1 series, which is specifically engineered for automotive and industrial environments requiring robust isolation and high accuracy. The AMC1311BQDWVQ1 features galvanic isolation with a rated insulation voltage of 5000 Vrms, making it suitable for applications where safety and reliability are paramount. Its compact SOIC-8 package and compliance with AEC-Q100 standards further enhance its appeal for automotive systems. The device is ideal for voltage sensing in electric vehicles, motor drives, and power inverters.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Channel Count | 1 | Channel | |
| Insulation Voltage | 5000 | Vrms | |
| Isolation Type | Galvanic Isolation | ||
| 3dB Bandwidth | 220 | kHz | |
| Input Bias Current (Ib) | 15 | nA | |
| Input Offset Voltage (Vos) | 1.5 | mV | |
| Supply Voltage (Max) | 5.5 | V | |
| Supply Voltage (Min) | 3 | V | |
| Operating Supply Current | 9.7 | mA | |
| Operating Temperature Range | -40 to +125 | °C | |
| Package | SOIC-8 | ||
| Qualification | AEC-Q100 | ||
| Gain Error | 0.04 | % | |
| Power Dissipation (Pd) | 97.9 | mW | |
| PSRR | -65 | dB |
Key Features
- High-precision isolated amplifier for voltage sensing applications.
- Galvanic isolation with 5000 Vrms insulation voltage for enhanced safety.
- Wide operating temperature range (-40°C to +125°C) suitable for automotive and industrial environments.
- Low input bias current (15 nA) and offset voltage (1.5 mV) for accurate signal amplification.
- Compact SOIC-8 package with AEC-Q100 qualification for automotive applications.
Applications
The AMC1311BQDWVQ1 is widely used in automotive and industrial systems where precise voltage sensing and isolation are critical. Typical applications include electric vehicle battery management systems, motor drives, and power inverters. Its high insulation voltage and robust design make it ideal for protecting low-voltage circuits from high-voltage transients in these environments. Additionally, the device is suitable for industrial automation systems, where it ensures accurate signal conditioning and isolation in harsh operating conditions.
Q & A
1. What is the insulation voltage of the AMC1311BQDWVQ1?
The insulation voltage is 5000 Vrms.
2. What is the operating temperature range of this device?
The operating temperature range is -40°C to +125°C.
3. Is the AMC1311BQDWVQ1 suitable for automotive applications?
Yes, it is AEC-Q100 qualified, making it suitable for automotive systems.
4. What is the input bias current of the AMC1311BQDWVQ1?
The input bias current is 15 nA.
5. What package does the AMC1311BQDWVQ1 come in?
It is available in an SOIC-8 package.
6. What is the 3dB bandwidth of this device?
The 3dB bandwidth is 220 kHz.
7. Can the AMC1311BQDWVQ1 be used in industrial automation?
Yes, its robust design and isolation features make it suitable for industrial automation.
8. What is the gain error of the AMC1311BQDWVQ1?
The gain error is 0.04%.
9. What is the maximum supply voltage for this device?
The maximum supply voltage is 5.5 V.
10. Does the AMC1311BQDWVQ1 support shutdown functionality?
Yes, it includes a shutdown feature for power management.
