Overview
The BD87581YG-C is a high-performance, input/output Rail-to-Rail CMOS operational amplifier developed by ROHM Semiconductor. This operational amplifier is part of the EMARMOUR™ series, designed to meet stringent automotive requirements. It features a wide operating voltage range of 4V to 14V, making it suitable for various automotive applications such as sensor amplifiers, engine control units, electric power steering, and anti-lock braking systems. The BD87581YG-C is distinguished by its high slew rate, low input bias current, and excellent electromagnetic interference (EMI) tolerance, which enhances reliability and simplifies EMI design in harsh environments.
Key Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|---|
| Power Supply (Min.) | VDD-VSS | 4 | V | |||
| Power Supply (Max.) | VDD-VSS | 14 | V | |||
| Channel | 1 | |||||
| Circuit Current (Typ.) | 2.3 | mA/ch | ||||
| Input Offset Voltage (Max.) | VIO | 1 | 9 | mV | VDD = 4 V to 14 V | |
| Input Bias Current (Typ.) | 0.001 | nA | ||||
| Slew Rate (Typ.) | 3.5 | V/µs | ||||
| Input Voltage Range | VSS to VDD | V | ||||
| Output Voltage Range | VSS+0.03 to VDD-0.05 | V | ||||
| Voltage Gain (Typ.) | 110 | dB | ||||
| Output Current (Typ.) | 3.5 | mA | ||||
| CMRR (Typ.) | 60 | dB | ||||
| PSRR (Typ.) | 80 | dB | ||||
| GBW (Typ.) | 4 | MHz | ||||
| Operating Temperature (Min.) | -40 | °C | ||||
| Operating Temperature (Max.) | 125 | °C | ||||
| Package Size | 2.9x2.8 (t=1.25) | mm |
Key Features
- EMARMOUR™ Series: Designed to prevent malfunctions due to noise without special application measures.
- AEC-Q100 Qualified: Meets automotive quality standards.
- Input/Output Rail-to-Rail: Allows the input and output to swing from the negative supply voltage to the positive supply voltage.
- Low Supply Current: Reduces power consumption.
- High Slew Rate: Ensures fast signal amplification.
- Low Input Bias Current: Minimizes input current, which is beneficial for high-impedance sources.
- Excellent EMI Tolerance: High immunity to electromagnetic interference, making it suitable for harsh environments.
Applications
The BD87581YG-C is highly suitable for various automotive applications, including:
- Sensor amplifiers
- Engine control units
- Electric power steering
- Anti-lock braking systems (ABS)
- Anomaly detection systems
Its high-speed sensing capabilities and robust EMI immunity also make it suitable for industrial equipment applications in harsh environments.
Q & A
- What is the operating voltage range of the BD87581YG-C?
The operating voltage range is from 4V to 14V.
- What are the key features of the BD87581YG-C?
Key features include the EMARMOUR™ series, AEC-Q100 qualification, input/output Rail-to-Rail, low supply current, high slew rate, low input bias current, and excellent EMI tolerance.
- What applications is the BD87581YG-C most suitable for?
It is most suitable for automotive applications such as sensor amplifiers, engine control units, electric power steering, and anti-lock braking systems, as well as industrial equipment in harsh environments.
- What is the slew rate of the BD87581YG-C?
The slew rate is typically 3.5 V/µs.
- What is the input bias current of the BD87581YG-C?
The input bias current is typically 0.001 nA.
- How does the BD87581YG-C handle electromagnetic interference (EMI)?
The BD87581YG-C has high tolerance for EMI due to its EMARMOUR™ design and built-in EMI filter, making it robust in harsh environments.
- What is the package size of the BD87581YG-C?
The package size is 2.9x2.8 mm (t=1.25 mm).
- What is the operating temperature range of the BD87581YG-C?
The operating temperature range is from -40°C to 125°C.
- Is the BD87581YG-C AEC-Q100 qualified?
Yes, the BD87581YG-C is AEC-Q100 qualified, meeting automotive quality standards.
- What is the typical output current of the BD87581YG-C?
The typical output current is 3.5 mA.
