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| AT1504 Preliminary Product Information FET BIAS CONTROLLER Features Provides bias for GaAs and HEMT FETs Drives up to four FETs Dynamic FET protection Drain current set by external resistor Regulated negative rail generator requires only 2 external capacitors Choice in drain voltage Wide supply voltage range SSOP surface mount package Description The AT1504 is designed to meet the bias requirements of GaAs and HEMT FETs commonly used in satellite receiver LNBs, PMR, cellular telephones etc. with a minimum of external components. With the addition of two capacitors and resistors the devices provide drain voltage and current control for a number of external grounded source FETs. The AT1504 is available in SSOP16 pin packages respectively for the minimum in devices size. Device operating temperature is -40 to 70C to suit a wide range of environmental conditions. Applications Satellite receiver LNBs Private mobile radio (PMR) Cellular telephones Block Diagram Aimtron reserves the right without notice to change this circuitry and specifications. 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw 1 AT1504 Preliminary Product Information FET BIAS CONTROLLER Pin Descriptions Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Pin name D1 G1 D2 G2 GND NC CN CP VOUT ICTL1 ICTL2 G4 D4 G3 D3 VCC Function 1st Drain output voltage Pin 1st Gate output voltage Pin 2nd Drain output voltage Pin 2nd Gate output voltage Pin Ground Pin No connect Pin Negative OSC output Pin Positive OSC output Pin Negative voltage output Pin VD1/VD2 Current set Resistor connect Pin VD3/VD4 Current set Resistor connect Pin 4th Gate output voltage Pin 4th Drain output Pin 3rd Gate output voltage Pin 3rd Drain output voltage Pin Supply voltage Pin Pin Configuration Ordering Information Part number AT1504R AT1504R_GRE Package SSOP16 SSOP16,Green Marking AT1504R AT1504R, date code with one bottom line 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw 2 AT1504 Preliminary Product Information FET BIAS CONTROLLER Absolute maximum ratings (Ta = 25oC) Parameter Power supply voltage Supply Current Drain Current Operating temperature Storage temperature Power dissipation Symbol VCC ICC VD Topr Tstg Pd Limits -0.6~15 100 0~15 -40~+70 -50~+85 500 unit V mA mA o C o C mW Recommended operating conditions (Ta = 25oC) Parameter Power supply voltage Symbol VCC Limits 5~12 unit V Electrical characteristics (Unless otherwise stated, Ta=25C, VCC=5V, ID=10mA, RCTL1=33k, RCTL2 =33k) Parameter Symbol Min. Typ. Max. Unit Conditions Supply Voltage VCC 5 -12 V --10 mA ID1 to ID4=0 Supply Current ICC --50 mA ID1 to ID4=10mA -3.5 -3 -2 V IOUT= 0 Negative Voltage VOUT ---2 V IOUT= -200A Drain Output Noise Voltage END --0.02 VPP CG=4.7nF, CD=10nF Gate Output Noise Voltage ENG --0.005 VPP CG=4.7nF, CD=10nF Oscillator Freq. fo 200 350 800 kHz DRAIN Drain Current ID 8 10 12 mA Drain Current Charge with VCC -0.02 -%/V VCC=5 to 12V IDV Drain Current Charge with Tj %/ Tj=-40 to +70C -0.05 -IDT Drain Voltage VD 2 2.2 2.4 V Drain Voltage Charge with VCC VDV -0.5 -%/V VCC=5 to 12V Drain Voltage Charge with Tj -50 -ppm Tj=-40 to +70C VDT GATE Gate Output Current Range IGO -30 -2000 A ID1 to ID4=12mA -3.5 --2 V IG1 to IG4=0 Gate Output Low Voltage VOL ID1 to ID4=12mA -3.5 --2 V IG1 to IG4= -10A Gate Output High Voltage VOH ID1 to ID4= 8mA 0 -1 V IG1 to IG4= 0 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw 3 AT1504 Preliminary Product Information FET BIAS CONTROLLER Typical Application Circuit Typical Characteristics 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw 4 AT1504 Preliminary Product Information FET BIAS CONTROLLER 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw 5 AT1504 Preliminary Product Information FET BIAS CONTROLLER Package Outlines : 16-pin SSOP SYMBOL A A1 A2 b C D ZD E E1 L e y MILLIMETERS MIN TYP MAX 1.35 1.60 1.75 0.10 0.15 0.25 1.50 0.20 0.30 0.18 0.25 4.80 4.85 5.00 0.20 5.79 5.99 6.20 3.81 3.91 3.99 0.41 0.71 1.27 0.64 0.076 0 8 MIN 0.053 0.004 0.008 0.007 0.189 0.228 0.150 0.016 0 INCHES TYP 0.063 0.006 0.191 0.008 0.236 0.154 0.028 0.025 - MAX 0.069 0.010 0.059 0.012 0.010 0.197 0.244 0.157 0.050 0.003 8 2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C. Tel: 886-3-563-0878 http://www.aimtron.com.tw Fax: 886-3-563-0879 Email: service@aimtron.com.tw 6 |
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