Features
• • • •
Local Oscillator Output Power: –6 dBm at 3.3 GHz Supply-voltage Range 3V to 4.6V Fast Settling Synthesizer Supports Multiple Reference Clocks (10.368 MHz/13.824 MHz)
Benefits
• • • •
Extended Battery Operating Time Low Current Consumption Very Small QFN32 5 mm × 5 mm Package Few Low Cost External Components
3.3 GHz LO + PLL-chip ATR2807 Summary Preliminary
Electrostatic sensitive device. Observe precautions for handling.
1. Description
The ATR2807 is an RF building block. It is used as a 3.344 GHz output frequency local oscillator. The QFN32-packaged IC includes an LO buffer, synthesizer together with fully integrated VCO and supply voltage regulators. Figure 1-1. Block Diagram
REG SET VS VREG CTRL REG REG VS VS VS VS PLL CP VCO PA
REG
CTRL LOGIC
PU REG PU PA PU VCO PU PLL OLE SW_CLK
LO OUT 1 LO OUT 2
PA
VCO PLL
GND GND PA VCO
VTUNE
GND CP GND CLK CP PLL
Rev. 4691HS–DECT–10/05
Note: This is a summary document. A complete document is available under NDA. For more information, please contact your local Atmel sales office.
Table 1-1.
Name
REG CP PLL PA VCO
Functional Block Description
Description
Voltage regulator Charge pump Phase locked loop Buffer amplifiers for LO_OUT Voltage-controlled oscillator
Ordering Information
Extended Type Number
ATR2807-PNQG
Package
QFN32
Remarks
Taped and reeled, Pb-free
Package Information
2
ATR2807 [Preliminary]
4691HS–DECT–10/05
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4691HS–DECT–10/05