BeRex BDA4730
The BDA4730 is a broadband, Highly accurate 50Ω digital step attenuator model which provides adjustable attenuation from 0 to 31.75 dB in 0.25 dB steps. The control interface supports a 7-bit serial interface with 3-bit addressable function and latched parallel interface. The BDA4730 has an optional function of using a negative voltage through VSS_EXT pin for improved spurious performance.| Part No. | BDA4730 |
|---|---|
| Datasheet | BDA4730 Download |
| Manufacturer |  BeRex |
| Description | 7-bit Digital Step Attenuator |
| Buy | Stock & Price |
FEATURES
● 7-bit Serial & Parallel Interface● 31.75 dB Control Range 0.25 dB step
● Support addressable Function (Addr0-Addr7)
● Glitch-safe attenuation state transitions
● 2.5 V to 5.5 V supply
● Excellent Attenuation Accuracy Any bit Attenuation Error < ±0.5 dB up to 6GHz
● Low Insertion Loss 0.6 dB @ 1GHz 0.8 dB @ 2GHz 1.1 dB @ 3GHz 1.4 dB @ 4GHz 2.0 dB @ 5GHz 2.6 dB @ 6GHz 2.7 dB @ 7GHz
● Ultra linearity IIP3 > +68 dBm @ 3.5GHz, ATT=0dB
● Input 0.1dB Compression (P0.1dB) 30dBm @ 3.5GHz, ATT=0dB
● Programming modes Direct parallel Latched parallel Serial Addressable
● Stable Integral Non-Linearity over temperature
● Low Current Consumption 200 μA typical
● -40 °C to +105 °C operating temperature
● ESD rating : Class1C (1KV HBM)
● Lead-free/RoHS2-compliant 32-lead 5mm x 5mm x 0.9mm QFN SMT package 32-lead 5mm x 5 mm x 0.9mm QFN Figure 1. Package Type 32 D0 31 D1 30 D2 29 D3 28 D4 27 D5 26 D6 25 SERIN GND 1 VDD 2 P/S 3 A0 4 GND 5 GND 6 RF1 7 GND 8 Serial/Parallel Control Logic Interf...
