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PDF ARA1400S12 Data sheet ( Hoja de datos )
| Número de pieza | ARA1400S12 | |
| Descripción | CATV Reverse Amplifier with step Attenuator | |
| Fabricantes | ANADIGICS Inc | |
| Logotipo |  |
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A
ARA1400S12
CATV Reverse Amplifier with Step Attenuator
Advanced Product Information
Rev. 2
FEATURES
· Low cost integrated monolithic GaAs
amplifier and step attenuator with output
disconnect switch.
· Meets DOCSIS distortion requirements at
+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
28
1
APPLICATIONS
· MCNS/DOCSIS Compliant Cable Modems
· CATV Interactive Set-Top Box
· Telephony over Cable Systems
S12
28 PIN SSOP PACKAGE
DESCRIPTION
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
ABSOLUTE MAXIMUM RATINGS
that does not require an output
balun to achieve 52 dBc 2nd
PARAMETER
PARAMETER
harmonic performance at +60
dBmV output levels. Both the
VDD (PINS 4,12,17)
VRFIN (PINS 10, 26)
9
0 to -3
VDC
VDC
input and output are matched to
75 ohms. The precision
attenuator provides up to 56 dB
ATTIN (3) ATTOUT (28)V
VISET (PINS 11, 27)
5
VDC
of attenuation in 4 dB
increments. The ARA1400S12
2
VDC
is supplied in a 28-pin SSOP
RF Input Voltage (PINS 10, 26)*
Storage Temperature
+ 60
- 55 to +200
dBmV
°C
package featuring a thermal heat
slug on the bottom of package.
Soldering this heat slug to the
Soldering Temperature
Soldering Time
260 °C ground plane of the PC board
ensures the lowest possible
5
Sec
thermal resistance for the device
Operating Case Temperature
0 to + 85
°C
resulting in a long MTF.
1 page  
ARA1400S12
CATV REVERSEAMPLIFIER WITH STEPATTENUATOR
Advanced Product Information Rev. 2
PACKAGE DIAGRAM
A
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet ARA1400S12.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| ARA1400S12 | CATV Reverse Amplifier with step Attenuator | ANADIGICS Inc |
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