MAX7060
280MHz to 450MHz Programmable
ASK/FSK Transmitter
Typical Operating Characteristics (continued)
( Typical Application Circuit , 50 I 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 = -40 N C to +125 N C, unless otherwise noted. Typical values are at V DD5 = V GPOVDD = V AVDD = V DVDD
= V PAVDD = 2.7V, T A = +25 N C, PA matched for optimum output power, unless otherwise noted. Supply current and output power are
greatly dependent on board layout and PAOUT match.)
-40
REFERENCE SPUR MAGNITUDE
vs. SUPPLY VOLTAGE
FSK SPECTRUM (f RF = 315MHz, +25°C, V DD = 2.7V,
PA CODE = 0x19 ±50kHz DEVIATION,
4kHz SQUARE WAVE ON DIN)
20
RBW = 10kHz
-42
5V MODE
433.92MHz
10
VBW = 10kHz
0
-44
315MHz
-10
-46
-48
-20
-30
4.5
4.7
4.9
5.1
5.3
5.5
314.5
314.7
314.9
315.1
315.3
315.5
SUPPLY VOLTAGE (V)
f RF (MHz)
Pin Configuration/Functional Diagram
18
17
16
15
14
13
CS_DEV
19
CRYSTAL OSCILLATOR
CHARGE
PUMP
LOOP
FILTER
VOLTAGE
REGULATOR
PULSE
SHAPING
12
ROUT
SDI_PWR1
20
PFD
VCO
PA POWER CONTROL
11
PAVDD
SCLK_PWR0
21
SERIAL
INTERFACE,
FREQUENCY
DIVIDER
PA
10
PAOUT
ENABLE
22
CONFIGURATION,
AND CONTROL
Σ?
ASK DATA
5
9
N.C.
MODULATOR
DIN
N.C.
23
24
/K
3
MAX7060
EXPOSED PAD
GND
8
7
LSHDN
FREQ2
+
1
2
3
4
5
6
TQFN
Maxim Integrated
11
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