ADF4110/ADF4111/ADF4112/ADF4113 is a family of RF PLL frequency synthesizers from Analog Devices. The frequency range is 550MHz to 4.0GHz, and it supports 3V to 5.5V power supply. The device features a programmable dual-modulus prescaler, programmable charge pump currents, programmable antibacklash pulse width, 3-wire serial interface, analog and digital lock detect, etc. It is widely used in wireless base stations, wireless handsets, wireless LANs, communication test equipment and CATV equipment.
The ADF4110‑ADF4113 family are RF PLL frequency synthesizer ICs that provide programmable prescalers, charge pumps, and dual‑modulus counters for up‑ to 4 GHz operation. They operate from a 2.7 V to 5.5 V supply and support a 3‑wire serial interface for register programming.
Typical applications include base‑station transmitters, wireless handsets, LANs, test equipment, and CATV systems. The document includes detailed specifications, timing diagrams, pin descriptions, performance graphs, and ordering information.
| RF Input Frequency (ADF4113) | 0.2 GHz – 3.7 GHz |
|---|---|
| Power Supply Voltage Range | 2.7 V – 5.5 V |
| Operating Temperature Range (Industrial) | -40 °C – +85 °C |
| Charge Pump High‑Value Current | 5 mA typical |
| Transistor Count | 6425 CMOS and 303 Bipolar |
They operate from 2.7 V up to 5.5 V.
The devices are rated for –40 °C to +85 °C (industrial grade).
ADF4113 accepts RF inputs from 0.2 GHz to 3.7 GHz.
The chip contains 6 425 CMOS transistors and 303 bipolar transistors.