Datasheet

11Maxim Integrated
280MHz to 450MHz Programmable
ASK/FSK Transmitter
MAX7060
Pin Configuration/Functional Diagram
Typical Operating Characteristics (continued)
(Typical Application Circuit, 50I system impedance, V
DD5
= V
GPOVDD
= V
AVDD
= V
DVDD
= V
PAVDD
= 2.1V to 3.6V, f
RF
= 280MHz to
450MHz, f
XTAL
= 16MHz, T
A
= -40NC to +125NC, unless otherwise noted. Typical values are at V
DD5
= V
GPOVDD
= V
AVDD
= V
DVDD
= V
PAVDD
= 2.7V, T
A
= +25NC, PA matched for optimum output power, unless otherwise noted. Supply current and output power are
greatly dependent on board layout and PAOUT match.)
FSK SPECTRUM (f
RF
= 315MHz, +25°C, V
DD
= 2.7V,
PA CODE = 0x19 ±50kHz DEVIATION,
4kHz SQUARE WAVE ON DIN)
MAX7060 toc23
f
RF
(MHz)
P
OUT
(dBm)
315.3315.1314.9314.7
-20
-10
0
10
20
-30
314.5 315.5
RBW = 10kHz
VBW = 10kHz
REFERENCE SPUR MAGNITUDE
vs. SUPPLY VOLTAGE
MAX7060 toc22
SUPPLY VOLTAGE (V)
REFERENCE SPUR MAGNITUDE (dBc)
5.35.14.94.7
-46
-44
-42
-40
-48
4.5 5.5
433.92MHz
315MHz
5V MODE
TQFN
19
20
21
22
123456
18 17 16 15 14 13
23
24
12
11
10
9
8
7
CS_DEV
SCLK_PWR0
SDI_PWR1
ENABLE
N.C.
GPO2_MOD
GPO1
DVDD
GPOVDD
FREQ0 FREQ1
XTAL1 XTAL2 N.C. V
DD5
PAVOUT
DIN
ROUT
PAOUT
PAVDD
N.C.
FREQ2
LSHDN
AVDD
CRYSTAL OSCILLATOR
SERIAL
INTERFACE,
CONFIGURATION,
AND CONTROL
3
5
PFD
FREQUENCY
DIVIDER
Σ∆
MODULATOR
CHARGE
PUMP
LOOP
FILTER
VOLTAGE
REGULATOR
PULSE
SHAPING
PA POWER CONTROL
EXPOSED PAD
GND
ASK DATA
/K
VCO
PA
+
MAX7060