Overview
The ADF4212LBCPZ-RL7 is a dual low power PLL (Phase-Locked Loop) frequency synthesizer produced by Analog Devices Inc. This device is designed to implement local oscillators (LO) in the up-conversion and down-conversion sections of wireless receivers and transmitters. It can provide the LO for both the RF and IF sections, making it versatile for various wireless communication applications. The ADF4212L features a low noise digital phase frequency detector (PFD), a precision charge pump, programmable reference dividers, and programmable A and B counters along with a dual modulus prescaler (P/P + 1).
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 20-Lead LFCSP_WQ, 20-Lead TSSOP |
| Operating Temperature Range | -40°C to +85°C |
| Power Supply Voltage | 2.7 V to 3.3 V |
| Maximum Frequency | 2.4 GHz |
| Input Type | CMOS |
| Serial Interface | 3-wire SPI-compatible serial interface |
| Maximum Serial Clock Rate | 20 MHz |
| Reference Counter | 15-bit RF R counter, 15-bit IF R counter |
| A and B Counters | 6-bit RF A counter, 12-bit RF B counter, 6-bit IF A counter, 12-bit IF B counter |
Key Features
- Low noise digital phase frequency detector (PFD) and precision charge pump.
- Programmable reference dividers and A and B counters along with a dual modulus prescaler (P/P + 1).
- Simple 3-wire SPI-compatible serial interface for control of all on-chip registers.
- Fastlock mode and power-down mode for power management.
- Analog and digital lock detect for monitoring the PLL status.
- Compatibility with 1.8 V logic levels.
Applications
- Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA).
- Base stations for wireless radio (GSM, PCS, DCS, CDMA, WCDMA).
- Wireless LANs.
- Cable TV tuners (CATV).
- Communications test equipment.
Q & A
- What is the operating temperature range of the ADF4212LBCPZ-RL7? The operating temperature range is -40°C to +85°C.
- What is the maximum frequency supported by the ADF4212LBCPZ-RL7? The maximum frequency supported is 2.4 GHz.
- What type of serial interface does the ADF4212LBCPZ-RL7 use? It uses a 3-wire SPI-compatible serial interface.
- What are the key components of the ADF4212LBCPZ-RL7? The key components include a low noise digital PFD, a precision charge pump, programmable reference dividers, and programmable A and B counters along with a dual modulus prescaler (P/P + 1).
- Can the ADF4212LBCPZ-RL7 be powered down when not in use? Yes, the device can be powered down when not in use).
- What are the typical applications of the ADF4212LBCPZ-RL7? Typical applications include wireless handsets, base stations for wireless radio, wireless LANs, cable TV tuners, and communications test equipment).
- What is the maximum serial clock rate for the ADF4212LBCPZ-RL7? The maximum serial clock rate is 20 MHz).
- Does the ADF4212LBCPZ-RL7 support Fastlock mode? Yes, it supports Fastlock mode for faster locking times).
- How is the data transferred in the ADF4212LBCPZ-RL7? Data is clocked into the 24-bit shift register on each rising edge of CLK and transferred to the appropriate latches on the rising edge of LE).
- Is the ADF4212LBCPZ-RL7 RoHS compliant? Yes, the device is RoHS compliant).
