Datasheet Details
| Part number | F1958 |
|---|---|
| Manufacturer | IDT |
| File Size | 5.10 MB |
| Description | 7-Bit 0.25dB Digital Step Attenuator |
| Datasheet |
 F1958 Datasheet
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General Description
The F1958 is part of IDT’s Glitch-FreeTM family of DSAs optimized for the demanding requirements of Base Station (BTS) radio cards and numerous other applications.
Key Features
- Serial and 7-bit parallel interface.
- 31.75dB range.
- 0.25dB steps.
- Glitch-FreeTM: low transient overshoot.
- 500ns settling time for 0.25dB steps.
- Ultra linear > 63dBm IIP3.
- Low insertion loss < 1.7dB at 4GHz.
- Attenuation error < ±0.2dB at 4GHz.
- Bi-directional RF use.
- 3.3V or 5V supply.
- -40°C to +105°C operating temperature.
- 4mm x 4mm Thin QFN 24-pin package Block Diagram Figure 1. Block Diagram RF1 Glitch-FreeTM RF2 Bias Decoder SPI.