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| POWER&RF Wide band AM / ASK IF IC for ETC ETCAM / ASK IF IC TK14552V DESCRIPTION The TK15522V is a wide band IF IC capable of operating up to 50MHz. It includes a dual RSSI; one is for carrier sensing and the other is for AM logarithmic demodulation. Therefore, it is suitable for ETC system. TK14552V50MHzIF IC AM2RSSI ETC FEATURES IF Limitter Amplifier: up to 50MHz AM Logarithmic Demodulator RSSI Output with High Speed Rectifier RSSI Comparator High Speed Data Comparator with Enable: to 2Mbps Active High On/off Control(Battery Save Function) Very Small Package: TSSOP-16 IF: ~50MHz AM RSSI RSSI On/off() APPLICATIONS ETC(Electronic Toll Collection) System Wide Band ASK Demodulation ETC ASK PACKAGE OUTLINE Part name TK14552V TSSOP-16 Package Marking Pin configuration 14552 See next page ORDERING INFORMATION Ordering information TK14552VTL Package code V: TSSOP Storage direction TL: Left type ABSOLUTE MAXIMUM RATINGS Parameter Operating Voltage Range Operating Temperature Range Power Dissipation Operating Frequency Range Symbol VOP TOP PD fOP Rating 2.5 to 5.5 -40 to +100 160 to 50 Unit Remarks V C mW MHz 7-8 2005 WINTER POWER&RF ELECTRICAL CHARCTERISTICS Parameter Supply Current 1 1 Supply Current 2 2 RSSI Output Voltage 1 RSSI 1 RSSI Output Voltage 2 RSSI 2 RSSI Output Voltage 3 RSSI 3 RSSI Output Voltage 4 RSSI 4 RSSI Slope RSSI AM Demodulating Output Voltage AM AM D O V Deflection AM AM Demodulating Frequency Band AM RSSI Comparator Rise Time RSSI RSSI Comparator Fall Time RSSI Data Comparator Rise Time Data Comparator Fall Time Data ComparatorEnable Threshold Voltage Symbol ICC1 ICC2 VRSSI1 VRSSI2 VRSSI3 VRSSI4 RSLP VOAM VDAM fDB tr1 tf1 tr2 tf2 VTH1 VTH2 0.0 1.5 3 MIN Value TYP 6.6 0 0.30 0.45 0.80 1.15 12 300 1 5 30 20 30 20 MAX 9.5 5 0.45 0.60 1.00 1.45 16 420 3 60 40 60 40 0.3 Units mA A VDC VDC VDC VDC mVDC/dB mVP-P dB MHz nSec nSec nSec nSec VDC VDC VCC=3.0V, fin=40MHz, TA=25C Conditions None Input, BS>1.5V None Input, BS<0.3V Non-mod -60dBm,Non-mod -30dBm,Non-mod 0dBm,Non-mod -60 to -10dBm Input -60~-10dBm fm=1MHz(sine wave),mod=90%,-40dBm input fm=1MHz(sine wave),mod=80%,55-10dBm input -6dB pt., mod.=90%, at 100kHz 0.00 0.30 0.60 0.85 8 180 0 1MHz, Square wave, 0.2VP-P, 1VDC offset 1MHz, , 0.2VP-P, 1VDC Active Operation Data Hold BLOCK DIAGRAM RSSI AM DEMOD. OUT OUT 2200pF 2200pF 2200pF 10k DATA COMP IN 10k 10k 0.01F IF IN 50 16 15 14 GND 13 12 11 10 9 LIMITER AMP RECTIFIER RSSI RSSI COMPARATOR VCC Vcc RSSI COMP IN BIAS DATA COMP GND 1 2 3 Battery Save on 4 5 6 7 8 DATA OUT 4.7F 1k COMP Vcc ENABLE COMP Vcc DATA COMPARATOR 1k 2005 WINTER ~ ~ 7-9 |
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