Datasheet

Note 1: Supply current and output power are greatly dependent on board layout and PAOUT match.
Note 2: 50% duty cycle at 10kHz ASK data (Manchester coded).
Note 3: Guaranteed by design and characterization, not production tested.
Note 4: Dependent on PCB trace capacitance.
(Typical Operating Circuit, 50Ω system impedance, V
AVDD
= V
DVDD
= V
PAVDD
= +2.1V to +3.6V, f
RF
= 315MHz or 390MHz,
T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at V
AVDD
= V
DVDD
= V
PAVDD
= +2.7V, T
A
= +25°C, unless otherwise
noted. All min and max values are 100% tested at T
A
= +125°C, and guaranteed by design and characterization over temperature,
unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
POWER AMPLIFIER
Output Power (Note 1) P
OUT
T
A
= +25°C (Note 3) 4.2 10 15.5
dBm
T
A
= +125°C, V
PAVDD
= V
AVDD
= V
DVDD
=
+2.1V
3.0 5.9
T
A
= -40°C, V
PAVDD
= V
AVDD
= V
DVDD
=
+3.6V (Note 3)
13.3 16.4
Modulation Depth 80 dB
Maximum Carrier Harmonics
With output matching
network
f
RF
= 315MHz -28
dBc
f
RF
= 390MHz -32
Reference Spur -48 dBc
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Maxim Integrated │ 4
MAX7058 315MHz/390MHz Dual-Frequency ASK Transmitter
AC Electrical Characteristics (continued)