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Description
The SM222TF-AD is a dual low noise matched PNP transistor, specifically designed for audio applications. It offers ultra-low input voltage noise of only 0.7 nV/√Hz, over the audio bandwidth of 20 Hz to 20 kHz. With a gain bandwidth of 190 MHz and an offset voltage of only 200 μV maximum, it is an excellent choice for low noise preamplifier applications.
Specifications and features
- Product Category: IC Chips
- Transistor Type: PNP
- Noise Figure: 0.7 nV/√Hz
- Bandwidth: 190 MHz typical
- Gains at IC = 1 mA, 165 typical – matched with an extremely tight 3% maximum gain matching
- Logarithmic conformance: rBE = 0.3 Ω typical
- Offset voltage of only 200 μV maximum
Application Scenarios
The SM222TF-AD transistor is suitable for a variety of audio-related applications such as:
- Microphone preamplifiers
- Tape head preamplifiers
- Current sources and mirrors
- Low noise precision instrumentation
- Voltage controlled amplifiers/multipliers
Comparison
Advantages- Low voltage noise at 100 Hz, only 1 nV/√Hz maximum
- Low offset voltage of 200 μV maximum
- High gain bandwidth: 190 MHz typical
- Noise figure of only 0.7 nV/√Hz
- Outstanding logarithmic conformance (rBE = 0.3 Ω typical)
- Tight 3% maximum gain matching
DisadvantagesAs no disadvantages are mentioned, it suggests that the SM222TF-AD has no obvious disadvantages.
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Datasheet
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Shopping guide
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Additional Information
- Datasheet: Download SM222TF-AD
- Chipdatas Part: CD89-SM222TF-AD
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/09/28 21:27 +0800
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