The RF250 Application-Specific Integrated Circuit (ASIC) is a triple-mode, dual-band receiver (Rx) intended for use in Code Division Multiple Access (CDMA) portable phones in both cellular and Personal Communications System (PCS) bands. As a dual mode IC, it can be used in CDMA mode or Advanced Mobile Phone System (AMPS) mode.

FEATUREs
• Supports CDMA/AMPS/PCS1900 modes.
• Three battery cell operation (2.7 V < VCC < 3.6 V).
• Higher level of integration.
• I/Q outputs.
• On-chip 100 to 640 MHz oscillators.
• Low power operation: <60 mA.
• 48-pin Thin Quad Flat Pack (TQFP) package with downset paddle.

APPLICATIONs
• Tri-mode handsets.
• CDMA and AMPS modes in the cellular band:
    - AMPS
    - CDMA-US
    - CDMA-J
• CDMA mode in the PCS band:
    - US-PCS
    - K-PCS