MFG:ANADIGICS Package Cooled:SSOP-28
MFG: ANADIGICS
Package Cooled: SSOP-28
Description: The ARA1400S12 is a GaAs IC designed to perform the reverse path amplification and output level c...
The ARA1400S12 is a GaAs IC designed to perform the reverse path amplification and output level control functions in a CATV Set-Top Box or Cable Modem. It incorporates a digitally controlled precision step attenuator that is preceded by an ultra low noise amplifier stage, and followed by an ultra-linear output driver amplifier. It is capable of meeting the MCNS/DOCSIS harmonic distortion specifications while only requiring a single polarity +5V supply. This part is a single ended design that does not require an outpu nd balun to achieve 52 dBc 2 harmonic performance at +60 dBmV output levels. Both the input and output are matched to 75 ohms. The precision attenuator provides up to 56 dB of attenuation in 4 dB increments. The ARA1400S12 is supplied in a 28-pin SSOP package featuring a thermal hea slug on the bottom of package Soldering this heat slug to the ground plane of the PC board ensures the lowest possible thermal resistance for the device resulting in a long MTF.
| PARAMETER | ||
| V (PINS 4,12,17) DD |
9 | VDC |
| V RFIN(PINS 10, 26) |
0 to -3 | VDC |
| ATT (3) ATT (28)V IN OUT |
5 | VDC |
| V ISET(PINS 11, 27) |
2 | VDC |
| RF Input Voltage (PINS 10, 26)* | +60 | dBmv |
| Storage Temperature | -55 to +200 | c |
| Soldering Temperature | 260 | c |
| Soldering Time | 5 | sec |
| Operating Case Temperatuer | 0 to + 85 | c |
* Low cost integrated monolithic GaAs amplifier and step attenuator with output disconnect switch.
* Meets DOCSIS distortion requirements a +60 dBmV
* Frequency range: 5 100 MHz
* Attenuation Range: 0 56 dB, variable in 4 dB steps
* 5 Volt operation
* Low distortion & Low noise figure
ARA1400S12
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