WIRELESS COMMUNICATIONS DIVISION
TQ5M44
Block Diagram
RF Mixer IC
LO INPUT
LO
LO TANK/BIAS
LO BYPASS
BY
GND
GND
Features
•Single 1V operation
RF IF
RF INPUT
IF OUTPUT/ BIAS
•Low Current Operation •Few external components •High IP3 •Broadband Performance •Small SOT 23-6
Plastic Package
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).
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 -40 -55 Max 100 +85 +85 +20 VDD+0.3 Units V mW C C dBm V
•FLEX™
wireless
applications
•ReFLEX™
wireless
applications
-0.3
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 RF=132-174MHz, LO=114.1 – 156.1MHz, IF=17.9MHz,
Parameter
Conversion Gain LO Buffer Current IF Buffer Current Total Supply Current
Min 7 250 500 750
Typ
Max
Units dB µA µA
1000
µA
TQS Wireless Communications 2300 NE Brookwood Parkway Hillsboro, OR 97124
2
(503) 615-9000 FAX:(503) 615-8900 Rev. A
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