SG Micro SGM8557H-1AQ
15MHz, high output drive, high precision, low noise, automotive operational amplifier
The SGM8557H-1AQ is a low noise, high precision CMOS operational amplifier for automotive applications. It provides a high output current of 230mA and rail-to-rail output operation from a range of 2.7V to 5.5V single supply.
It offers low input offset voltage and low input offset voltage drift. The device also can achieve a high 15MHz gain-bandwidth product and a high 7.5V/μs slew rate.
The SGM8557H-1AQ is specifically designed to drive high current load, such as 32Ω headset, VBIAS of RF power amplifier, etc.
Key features
- Output drive capability: 230mA
- Low input offset voltage: 15μV (MAX)
- High slew rate: 7.5V/μs
- Rail-to-rail Input and output
Additional features
- AEC-Q100 qualified for automotive applications device temperature grade 1 TA = -40℃ to +125℃
- Low input offset voltage drift: 30nV/℃ (TYP)
- Low noise: 30nV/√Hz at 1kHz
- Gain-bandwidth product: 15MHz
- High open-loop gain (RL = 2kΩ): 144dB
- Power supply rejection ratio: 120dB
- Over-temperature protection
- No phase reversal for overdriven inputs
- Supply voltage range: 2.7V to 5.5V
- Quiescent current: 1.15mA (TYP)
- Available in a green SOT-23-5 package
Applications
- AEC-Q100 grade 1 applications
- Battery-powered equipment
- Audio system
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