Key facts
- Model
- LM3189N
- Category
- Other Electronics
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-03-28
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National Semiconductor LM3189N FM IF System Datasheet
The LM3189N is a monolithic integrated circuit that provides a complete FM IF system, including a three‑stage amplifier/limiter, quadrature FM detector, and audio amplifier with optional muting. It operates from a supply voltage range of +8.5 V to +16 V and supports ambient temperatures from –40 °C to +85 °C.
The document includes absolute maximum ratings, electrical characteristics, test circuits, schematic diagrams, physical dimensions, and a life‑support policy notice. It is intended for designers of high‑fidelity FM receivers and related equipment.
National Semiconductor LM3189N specifications
| Supply Voltage Range | +8.5 V to +16 V |
|---|---|
| Operating Temperature Range | –40 °C to +85 °C |
| Quiescent Current | 20 mA – 44 mA |
| Signal‑to‑Noise Ratio (S+N/N) | 65 dB – 80 dB |
| Total Harmonic Distortion (typical) | 0.1 % typ |
Source: National Semiconductor LM3189N FM IF System Datasheet
All National Semiconductor LM3189N documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What supply voltage range does the LM3189N require?
It operates from +8.5 V up to +16 V.
What are the ambient temperature limits for the LM3189N?
The device can be used from –40 °C to +85 °C.
What supply voltage range does the LM3189N require?
The LM3189N operates with a supply voltage range of +8.5 V to +16 V.
What are the operating temperature limits for the LM3189N?
It can operate from –40 °C up to +85 °C.