300MHz to 450MHz Frequency-Programmable

ASK/FSK Transmitter

______________________________________________________________________________________

19

MAX7057

9

10

1

PFD

VCO

SERIAL INTERFACE AND

DIGITAL CONTROL

DELTA-SIGMA

MODULATOR

FREQUENCY

DIVIDER

CRYSTAL

OSCILLATOR

ENVELOPE

SHAPING

CHARGE

PUMP

LOOP

FILTER

XTAL2

7

8

XTAL1

PA

CS

2

SDI

16

11

3

SCLK

5

6

PAOUT

4

PAGND

ROUT

AGND

12 ENABLE

13 DIN

14 DGND

15 GPO

Functional Diagram

Chip Information

PROCESS: CMOS

Package Information

For the latest package outline information and land patterns

(footprints), go to www.maxim-ic.com/packages. Note that a

"+", "#", or "-" in the package code indicates RoHS status only.

Package drawings may show a different suffix character, but

the drawing pertains to the package regardless of RoHS status.

PACKAGE

TYPE

PACKAGE

CODE

OUTLINE NO.

LAND

PATTERN NO.

16 SO

S16+3

21-0041

90-0097