CXA1851N

CXA1851N Up/Down Converter for 900 MHz-Band Mobile Communications For the availability of this product, please contact the sales office. Description The CXA1851N is an up/down converter IC for 900 MHz-band mobile communications. This is suitable for 900 MHz-band digital cordless telephone (CT2) and digital cellular. 20 pin SSOP (Plastic) Features Transmission/reception converter on a single chip Operating frequency: 800 to 900 MHz Supply voltage: 2.7 to 4.5 V Power saving function 20-pin SSOP package used for set size reduction Absolute Maximum Ratings (Ta=25°C) Supply voltage Vcc 5 V Operating temperature Topr –20 to +75 °C Storage temperature Tstg –65 to +150 °C Allowable power dissipation PD 530∗ mW ∗ When mounted on a 505×0×1.6 mm copperfoiled glass epoxy board Applications CT2 digital cordless telephone Digital cellular Structure Bipolar silicon monolithic IC Recommended Operating Conditions Supply voltage Vcc 2.7 to 4.5 V Block Diagram and Pin Configuration LO IN (D) LO IN (U) MIX OUT2 11 10 IF OUT LO b (D) Vcc (D) LO b (U) 20 19 18 17 16 15 14 13 IF b MIX 12 OSC BUFFER AMP IF AMP MIX RF AMP 1 GND 2 RF b 3 RF IN 4 PEAKING OUT 5 P/S (D) 6 P/S (U) 7 Vcc (U) 8 RF OUT RF PRE AMP REG REG LNA GND IF IN 9 GND Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application ci...