Datasheet for Analog Devices' HMC1018ALP4E 5-bit GaAs MMIC digital attenuator covering 0.1 to 30 GHz with electrical specs and control details.
The HMC1018ALP4E is a 5-bit GaAs MMIC digital attenuator designed for frequencies from 0.1 to 30 GHz. It offers 31 dB of attenuation in 1.0 dB steps with ±0.4 dB accuracy. The device features TTL/CMOS-compatible serial control and asynchronous mode for immediate setting. It is packaged in a 24-lead 4x4mm SMT format and is suitable for telecom, radar, space, and test equipment applications.
Key specs include insertion loss under 5.5 dB, return loss of 12 dB, and an IIP3 of +43 dBm. Control voltages are specified for Vdd, Vdd1, and Vss, with power-up states configurable via ASM1 and ASM2 pins.
| Frequency Range | 0.1 - 30.0 GHz |
|---|---|
| Attenuation Range | 31 dB |
| Insertion Loss | 4.5 to 8.0 dB |
| Return Loss | 12 dB |
| Attenuation Accuracy | ± (0.5 + 5%) of Atten. Setting Max |
| Input Third Order Intercept Point | +43 dBm |
| Package Type | 24 Lead 4x4mm SMT |
The device covers 0.1 to 30.0 GHz.
The maximum attenuation is 31 dB.
The IIP3 is +43 dBm.
The control interface is TTL/CMOS compatible and accepts a three-wire serial input.