User Manual

MAX7057
300MHz to 450MHz Frequency-Programmable
ASK/FSK Transmitter
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MAX7057
9 10
1
PFDVCO
SERIAL INTERFACE AND
DIGITAL CONTROL
DELTA-SIGMA
MODULATOR
FREQUENCY
DIVIDER
CRYSTAL
OSCILLATOR
ENVELOPE
SHAPING
CHARGE
PUMP
LOOP
FILTER
XTAL2
7
PAVDD
8
AVDD XTAL1
PA
CS
2
SDI
16
11
DVDD
3
SCLK
5
6
PAOUT
4PAGND
ROUT
AGND
12 ENABLE
13 DIN
14 DGND
15 GPO
Functional Diagram
Chip Information
PROCESS: CMOS
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
16 SO S16+3
21-0041
Package Information
For the latest package outline information, go to
www.maxim-ic.com/packages
.