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TQ9222, TQ9222A, TQ9222B

Table of contents:
Info of TQ9222
Info of TQ9222A
Info of TQ9222B

TQ9222, TQ9222A, TQ9222B Selling Leads, Datasheet

MFG:TI Package Cooled:SSOP-24P D/C:2000

TQ9222, TQ9222A, TQ9222B Datasheet download

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Part Number: TQ9222

MFG: TI

Package Cooled: SSOP-24P

D/C: 2000

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TQ9222 General Description

The TQ9222 is a 3-V, RF receiver IC designed specifically for dual-band TDMA applications. Its RF performance meets the requirements of products designed to the IS-136 and GSM standards. The TQ9222 is pin compatible with TQ5121 (cellular band LNA/Mixer) which enables handset designers to use strategic board platform strategy.

The TQ9222 contains two separate LNA+Mixer circuits to handle both the 800 MHz cellular band and the 1900 MHz PCS band. The mixers use a high-side LO frequency, with the IF covering a range of 70-140 MHz. IF frequencies below 120 MHz are possible due to the ½-IF spurious signal rejection in the 1900 MHz LNA+Mixer. The IF outputs are designed for use of a common IF frequency. Most RF ports are internally matched to 50, greatly simplifying the design and keeping the number of external components to a minimum. Separate supply voltage connections provide the required flexibility for dual-band operation. The TQ9222 achieves good RF performance with low current consumption, supporting long standby times in portable applications. Coupled with the very small QSOP-24 package, the part is ideally suited for dual-band mobile phones.

TQ9222 Maximum Ratings

Parameter	Value	Units
DC Power Supply	5.0	V
Power Dissipation	500	mW
Operating Temperature	-40 to 85	C
Storage Temperature	-60 to 150	C
Signal level on inputs/outputs	+20	dBm
Voltage to any non supply pin	-.3 to +.3	V

TQ9222 Features

Pin compatible with TQ5121
Single 3 V operation
Low-current operation
Low-frequency IF capability
Excellent ½ IF rejection
IF output combining
50 matched inputs (most ports)
QSOP-24 plastic package

TQ9222 Typical Application

IS-136 dual-band Mobile Phones
Tri-Mode Phones
GSM dual-band Mobile Phones
Wireless local loop

TQ9222 Connection Diagram

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