ATA5749 ATMEL Corporation, ATA5749 Datasheet - Page 2

• Manufacturer Part Number: ATA5749
• Description: Fractional-n PLL Transmitter IC
• Manufacturer: ATMEL Corporation

Figure 1-1.
2
ATA5749 [Preliminary]
Block Diagram
SDIN_TXDIN
ANT2
ANT1
SCK
CLK
1
2
3
4
5
CLK_ON
CLK_DRV
Registers
Control
Digital
1
and
PA
4 or 8
FREQ[0:14]
PWR[0:3]
DIV_CNTRL
433_N315
ASK_mod
XTO_RDY
XTO Signal
FSEP[0:7]
FSK_mod
Fractional-N-PLL
ATA5749
Frac.
VCO
PFD
Div.
CP
LP
(FOX)
XTO
up/down
Power
10
9
8
7
6
EN
GND
VS
XTO1
XTO2
9128C–RKE–10/08