Features: Provides bias for GaAs and HEMT FETsDrives up to four FETsDynamic FET protectionDrain current set by external resistorRegulated negative rail generator requires only 2 external capacitorsChoice in drain voltageWide supply voltage rangeSSOP surface mount packageApplicationSatellite receiv...
AT1504: Features: Provides bias for GaAs and HEMT FETsDrives up to four FETsDynamic FET protectionDrain current set by external resistorRegulated negative rail generator requires only 2 external capacitorsC...
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Absolute Maximum Ratingsa | Symbol | Limits | Unit |
Power supply voltage | VCC | -0.6~15 | V |
Supply Current | ICC | 100 | mA |
Drain Current | VD | 0~15 | mA |
Operating temperature | Topr | -40~+70 | |
Storage temperature | Tstg | -50~+85 | |
Power dissipation | Pd | 500 | mW |
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 AT1504 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 70°C to suit a wide range of environmental conditions.