TSH690

® TSH690 40MHz to 1GHz AMPLIFIER . . . . . . . . 1.5V to 5V OPERATING VOLTAGE 28dB GAIN @ 3V @ 450MHz 20dB GAIN @ 3V @ 900MHz +13.5dBm OUTPUT POWER (P1dB) BIAS PIN FOR CURRENT ADJUST & AMPLIFIER DISABLE ADJUSTABLE OUTPUT POWER 50Ω INPUT/OUTPUT MATCHING FULLY GUARANTEED AT 2.7V DESCRIPTION TSH690 is a wide band RF amplifier, consisted of 2 stages, designed in advanced bipolar process featuring 28dB gain and +13.5dBm output power at 450MHz under 3V. The pin 8 allows an external bias current adjust to tune the output power and also to set the amplifier in power-down mode. This powerful amplifier is dedicated to equip secured RF data transmitters as antenna drivers in ISM band (reliable RF meter-reading systems, secured Remote Controls, Cordless Telephones, ...) PIN CONNECTIONS (top view) D SO8 (Plastic Micropackage) ORDER CODES Part Number TSH690ID Temperature Range -40, +85 C o Package D RF out 1 8 Vbias GND 2 GND GND 3 4 7 VCC 6 GND 5 RF in September 1998 1/10 TSH690 SCHEMATIC DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol VCC1, VCC2, Vbias RF in RF out Toper Tstg Parameter Supply Voltages & Bias Voltage RF Input Power RF Output Power Operating Free Air Temperature Range Storage Temperature Range Value 5.5 +10 +21 -40 to +85 -65 to +150 Unit V dBm dBm o C o C OPERATING CONDITIONS Symbol VCC1, VCC2 Vbias RFsr Parameter Supply Voltages Bias Voltage RF Signal Range Value 1.5 to 5 0 to 6 40 to 1000 Unit V V MHz ESD SENSITIVE DEVICE Handling Precautions Required 2/1...