The TEA6843HL is an extended car radio for the New In Car Entertainment (NICE) system. It features FM and AM reception, and can be configured via the I2C-bus communication protocol.
The TEA6843HL is a single‑chip car radio tuner IC that supports AM, FM, and weather‑band reception. It integrates mixers, oscillators, a PLL synthesizer, AGC circuits, and level detectors, and is intended for microcontroller control via the I²C‑bus.
The document includes sections on features, general description, ordering information, quick reference data, block diagram, pinning, functional description, limiting values, thermal, DC and AC characteristics, as well as purchasing and contact information.
| Analog supply voltage Vopain (1) | 8.5 V |
|---|---|
| Total analog supply current (FM mode) | 45 mA typical |
| Digital supply voltage Vppp | 5 V |
| Weather‑band input frequency range | 162.4 – 162.55 MHz |
| AM input frequency range (LW) | 0.144 – 0.288 MHz |
| Ambient temperature operating range | -40 °C to +85 °C |
The device operates from –40 °C to +85 °C.
It is supplied in an LQFP‑80 plastic low‑profile quad flat package with 80 leads.