Digital Step Attenuator
31.5 dB, 0.5 dB Step
6 Bit, Parallel Control Interface, Dual Supply Voltage
Product Features
• Dual Supply Voltage: V
DD
=+3V, V
SS
=-3V
• Immune to latch up
• Excellent accuracy, 0.1 dB Typ
• Parallel control interface
• Fast switching control frequency, 1 MHz typ.
• Low Insertion Loss
• High IP3, +52 dBm Typ
• Very low DC power consumption
• Excellent return loss, 20 dB Typ
• Small size 4.0 x 4.0 mm
Typical Applications
• Base Station Infrastructure
• Portable Wireless
• CATV & DBS
• MMDS & Wireless LAN
• Wireless Local Loop
• UNII & Hiper LAN
• Power amplifier distortion canceling loops
50Ω DC-2400 MHz
DAT-31R5-PN+
+ RoHS compliant in accordance
with EU Directive (2002/95/EC)
The +Suffix has been added in order to identify RoHS
Compliance. See our web site for RoHS Compliance
methodologies and qualifications.
General Description
The DAT-31R5-PN+ is a 50Ω RF digital step attenuator that offers an attenuation range up to 31.5 dB in
0.5 dB steps. The control is a 6-bit parallel interface, operating on dual supply voltage: V
DD
=+3V, V
SS
=-3V.
The DAT-31R5-PN+ is produced using a unique CMOS process on silicon, offering the performance of
GaAs, with the advantages of conventional CMOS devices.
Simplified Schematic
RF Input
16dB
8dB
4dB
2dB
1dB
0.5dB
RF Out
Parallel Control
Latch Enable
Internal Control Logic Interface
REV. D
M114163
DAT-31R5-PN+
071024
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