TK14600M

TK14600 NARROW BAND FM IF AMPLIFIER FEATURES s s s s Low Voltage Operation Two Stage IF Limiter Mixer Adjustable Internal Regulator APPLICATIONS s GPS Systems s Digital Communications DESCRIPTION The TK14600 is a low operating voltage FM IF system designed for use in GPS receivers and other digital communications systems. This IC contains a high gain 2-stage IF limiter with an internal voltage regulator. The TK14600 is available in the SSOP-12 (MFP-12) surface mount package. TK14600 MIXER INPUT MIXER OUTPUT GND IF AMP INPUT VCC IF AMP OUTPUT OSC INPUT REG INPUT REG OUTPUT LIMITER AMP OUTPUT LIMITER AMP DECOUP LIMITER AMP INPUT BLOCK DIAGRAM ORDERING INFORMATION TK14600M Tape/Reel Code Vref ERROR AMP + TAPE/REEL CODE BX: Bulk/Bag TL: Tape Left MG: Magazine IF AMP LIMITER AMP January 2000 TOKO, Inc. Page 1 TK14600 ABSOLUTE MAXIMUM RATINGS Maximum Supply Voltage .......................................... 6 V Operating Voltage Range .............................. 2.3 to 5.5 V Junction Temperature .......................................... 150 °C Power Dissipation (Note 1) ................................ 250 mW Lead Soldering Temp. (10 sec.) ......................... 235 °C Storage Temperature Range ................... -55 to +150 °C Operating Temperature Range .................. -30 to +80 °C TK14600 ELECTRICAL CHARACTERISTICS Test Conditions: VCC = 3 V, FRF = 20 MHz, FOSC = 18.9 MHz, Injection Level = -5dBm, FIF = 1.1 MHz SYMBOL ICC GM fIN GIF1 VOUT1 GIF2 VOUT2 fI...