ADF4212LBRUZ: Dual Power PLL Frequency Synthesizer
The is a dual frequency synthesizer that can be used 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. It consists of a low noise digital PFD (Phase Frequency Detector), a precision charge pump, a programmable reference divider, programmable A and B counters, and a dual modulus prescaler (P/P + 1). The A (6-bit) and B (12-bit) counters, in conjunction with the dual modulus prescaler (P/P + 1), implement an N divider (N = BP + A). In addition, the 14-bit reference counter (R Counter), allows selectable REFIN frequencies at the PFD input. A complete PLL (Phase-Locked Loop) can be implemented if the synthesizer is used with external loop filters and VCOs (Voltage Controlled Oscillators).
Control of all the on-chip registers is via a simple 3-wire interface with 1.8 V compatibility. The devices operate with a power supply ranging from 2.6 V to 3.3 V and can be powered down when not in use.
ADF4212LBRUZ 特点
- IDD Total, 7.5 mA
- Bandwidth RF/IF, 2.4 GHz/1.0 GHz
- 2.7 V to 3.3 V Power Supply
- Separate VP Allows Extended Tuning Voltage
- Programmable Dual Modulus Prescaler RF and IF: 8/9, 16/17, 32/33, 64/65
- Programmable Charge Pump Currents
- 3-Wire Serial Interface
- Analog and Digital Lock Detect
- Fastlock Mode
- Power-Down Mode
- Lead TSSOP and 20-Lead MLF Chip Scale Package
ADF4212LBRUZ 功能框图
ADF4212L 芯片订购指南
ADF4212LBRUZ 应用技术支持与电子电路设计开发资源下载
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