Datasheet for ADF4208BRUZ:
- Manufacturer Part Number : ADF4208BRUZ
- Manufacturer : AD
- Description : Dual, Integer-N 1.1 GHz / 2.0 GHz PLL IC
- Series : ADF4208
- Reference Price : USD 1.632
- Our Price : We have a better price, contact us by email
- Product Type : Phase Locked Loop (PLL) Synthesizers
- Function : Integer-N PLL
- Current Suggest : Production
- Status : Production
- ROHS Status : ROHS Compliant (Lead Free)
- Package Type : 20-Lead TSSOP
- Pins : 20
- MFG Package Case : RU-20
- Part Type : OTH
- Standard Packing Type : Tube
- Standard Packing Quantity : 75
- Working Temperature : -40 to 85C
- Other Part Number : ADF4208BRUZ
- Shipping methods : DHL FEDEX UPS TNT
- Delivery Time : Ship within 1 day.
- Manufacturer Production time : 6-8 weeks (Normally have stocks)
- Weight : 0.001KG
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The ADF420x family of dual frequency synthesizers are usedto implement local oscillators in the upconversion and downconversionsections of wireless receivers and transmitters. Eachsynthesizer consists of a low noise, digital, phase frequency detector(PFD); a precision charge pump; a programmable referencedivider; programmable A and B counters; and a dual modulusprescaler (P/P + 1). The A (6-bit) and B (11-bit) counters, inconjunction with the dual modulus prescaler (P/P + 1), implementan N divider (N = BP + A). In addition, the 14-bit referencecounter (R counter) allows selectable REFIN frequencies at thePFD input. The on-chip oscillator circuitry allows the referenceinput to be derived from crystal oscillators.
A complete phase-locked loop (PLL) can be implemented if thesynthesizers are used with an external loop filter and voltagecontrolled oscillators (VCOs).
Control of all the on-chip registers is via a simple 3-wireinterface. The devices operate with a power supply rangingfrom 2.7 V to 5.5 V and can be powered down when not in use.
Applications
- Wireless handsets (GSM, PCS, DCS, CDMA, WCDMA)
- Base stations for wireless radio (GSM, PCS, DCS, CDMA, WCDMA)
- Wireless LANS Communications test equipment
- CATV equipment
At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
