WIRELESS COMMUNICATIONS DIVISION TQ5M44 Block Diagram RF Mixer IC LO INPUT LO LO BYPASS BY RF INPUT RF LO TANK/BIAS Features GND GND •Single 1V operation IF IF OUTPUT/ BIAS •Low Current Operation •Few external components •High IP3 Product Description The TQ5M44 is a RFIC downconverter designed for FLEX and ReFLEX paging and mobile applications. The TQ5M44 is intended for use in the Motorola Flex chipset. The integrated circuit operates at low voltage (1V). •Broadband Performance •Small SOT 23-6 Plastic Package Applications Absolute Maximum Ratings Parameter DC Power Supply Power Dissipation Operating Temperature Storage Temperature Signal Level on Inputs/Outputs Voltage to any Non-Supply Pin Min 0.90 Max 100 +85 +85 +20 Units V mW C C dBm VDD+0.3 V -40 -55 -0.3 •FLEX wireless applications •ReFLEX wireless applications Motorola, FLEX, and ReFLEX are trademarks of Motorola, Inc. TQS Wireless Communications 2300 NE Brookwood Parkway Hillsboro, OR 97124 1 (503) 615-9000 FAX:(503) 615-8900 Rev. A 12/7/98 TQ5M44 VHF Band Electrical Specifications: Devices screened to the following test conditions Test Conditions: VDD = 1.0 V, TA=25°C LO = -20dBm Input Parameter RF=132-174MHz, LO=114.1 – 156.1MHz, IF=17.9MHz, Min Typ Max Units Conversion Gain 7 dB LO Buffer Current 250 µA IF Buffer Current 500 µA Total Supply Current 750 TQS Wireless Communications 2300 NE Brookwood Parkway Hillsboro, OR 97124 1000 2 µA (503) 615-9000 FAX:(503) 615-8900 Rev. A