Product Descriptions
The ADF4110 family of frequency synthesizers can be used to implement local oscillators in the up-conversion and down-conversion sections of wireless receivers and transmitters. They consist of 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 (13-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 an external loop filter and VCO (Voltage Controlled Oscillator).
Control of all the on-chip registers is via a simple 3-wire interface. The devices operate with a power supply ranging from 2.7 V to 5.5 V and can be powered down when not in use.
Product Features
? ADF4110: 550 MHz
? ADF4111: 1.2 GHz
? ADF4112: 3.0 GHz
? ADF4113: 4.0 GHz
? +2.7 V to +5.5 V Power Supply
? Separate Vp Allows Extended Tuning Voltage in 3V Systems
? Programmable Charge Pump Currents
? Programmable Dual Modulus Prescaler 8/9, 16/17, 32/33, 64/65
? Programmable Anti-Backlash Pulse Width
? 3-Wire Serial Interface
? Digital Lock Detect
? Power Down Mode
Product Applications
? Base stations for wireless radio (GSM, PCS, DCS, CDMA, WCDMA)
? Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA)
? Wireless LANS
? Communications test equipment
? CATV equipment
Specifications
| Attribute | Attribute value |
| ANSM-Part# | ANSM-ADF4110BRU |
| Category | Integrated Circuits (ICs) |
| Clock/Timing | |
| Clock Generators, PLLs, Frequency Synthesizers | |
| Mfr | Original |
| Series | - |
| Package | REEL |
| Product Status | Active |
| DigiKey Programmable | Not Verified |
| Type | Clock/Frequency Synthesizer (RF) |
| PLL | Yes |
| Input | CMOS, TTL |
| Output | Clock |
| Number of Circuits | 1 |
| Ratio - Input:Output | 0.084027778 |
| Differential - Input:Output | Yes/No |
| Frequency - Max | 550MHz |
| Divider/Multiplier | Yes/No |
| Voltage - Supply | 2.7V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 16-TSSOP |
| Base Product Number | ADF4110 |
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