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Part Number: ADF4212
Description: The ADF4210/ADF4211/ADF4212/ADF4213 is a dual frequency synthesizer that can be used to implement local oscillators (LO...
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ADF4212
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General Description
ADF4212 General Description
The ADF4210/ADF4211/ADF4212/ADF4213 is a dual frequency synthesizer that can be used to implement local oscillators (LO) in the upconversion and downconversion sections of wireless receivers and transmitters. They can provide the LO for both the RF and IF sections. They consist 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 an external loop filter and VCO (Voltage Controlled Oscillators).
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 V and can be powered down when not in use.
ADF4212 Maximum Ratings
VDD1 to GND3. . . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +7 V
VDD1 to VDD2 . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.3 V
VP1, VP2 to GND . . . . . . . . . . . . . . . . . . . . . .0.3 V to +7 V
VP1, VP2 to VDD1 . . . . . . . . . . . . . . . . . . . 0.3 V to +5.5 V
Digital I/O Voltage to GND . . . . . . 0.3 V to DVDD + 0.3 V
Analog I/O Voltage to GND . . . . . . . . . 0.3 V to VP + 0.3 V
REFIN, RFINA, RFINB,
IFINA, IFINB to GND . . . . . . . . . . . . 0.3 V to VDD + 0.3 V
Operating Temperature Range
Industrial (B Version) . . . . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . . . 65°C to +150°C
Maximum Junction Temperature . . . . . . . . . . . . . . . 150°C
TSSOP JA Thermal Impedance . . . . . . . . . . . . 150.4°C/W
CSP JA (Paddle Soldered) . . . . . . . . . . . . . . . . . 122°C/W
VDD1 to VDD2 . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +0.3 V
VP1, VP2 to GND . . . . . . . . . . . . . . . . . . . . . .0.3 V to +7 V
VP1, VP2 to VDD1 . . . . . . . . . . . . . . . . . . . 0.3 V to +5.5 V
Digital I/O Voltage to GND . . . . . . 0.3 V to DVDD + 0.3 V
Analog I/O Voltage to GND . . . . . . . . . 0.3 V to VP + 0.3 V
REFIN, RFINA, RFINB,
IFINA, IFINB to GND . . . . . . . . . . . . 0.3 V to VDD + 0.3 V
Operating Temperature Range
Industrial (B Version) . . . . . . . . . . . . . . . . 40°C to +85°C
Storage Temperature Range . . . . . . . . . 65°C to +150°C
Maximum Junction Temperature . . . . . . . . . . . . . . . 150°C
TSSOP JA Thermal Impedance . . . . . . . . . . . . 150.4°C/W
CSP JA (Paddle Soldered) . . . . . . . . . . . . . . . . . 122°C/W
ADF4212 Features
ADF4210: 550 MHz/1.2 GHz
ADF4211: 550 MHz/2.0 GHz
ADF4212: 1.0 GHz/2.7 GHz
ADF4213: 1.0 GHz/3 GHz
2.7 V to 5.5 V Power Supply
Separate Charge Pump Supply (VP) Allows Extended Tuning Voltage in 3 V Systems
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
ADF4211: 550 MHz/2.0 GHz
ADF4212: 1.0 GHz/2.7 GHz
ADF4213: 1.0 GHz/3 GHz
2.7 V to 5.5 V Power Supply
Separate Charge Pump Supply (VP) Allows Extended Tuning Voltage in 3 V Systems
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
ADF4212 Typical Application
Base Stations for Wireless Radio (GSM, PCS, DCS,CDMA, WCDMA)
Wireless Handsets (GSM, PCS, DCS, CDMA, WCDMA)
Wireless LANS
Communications Test Equipment
CATV Equipment
Wireless Handsets (GSM, PCS, DCS, CDMA, WCDMA)
Wireless LANS
Communications Test Equipment
CATV Equipment
ADF4212 Connection Diagram
ADF4212
PDF/DataSheet Download
- Datasheet: ADF4212
- File Size: 257677 KB
- Manufacturer: AD [Analog Devices]
- Click here to Download
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The ADF4210/ADF4211/ADF4212/ADF4213 is a dual frequency synthesizer that can be used to implement local oscillators (LO) in the upconversion and downconversion sections of wireless receivers and transmitters. They can provide the LO for both the RF and IF se...
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