MAX7058
315MHz/390MHz Dual-Frequency
ASK Transmitter
4 _______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS (continued)
(
Typical Operating Circuit
, 50Ω system impedance, AVDD = DVDD = 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 AVDD = DVDD = 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
T
A
= +25°C (Note 3) 4.2 10 15.5
T
A
= +125°C , P AV DD = AVD D = D VD D = +2.1V 3.0 5.9
Output Power (Note 1) P
OUT
T
A
= - 40°C , P AV D D = AV D D = D V D D = + 3.6V
( N ote 3)
13.3 16.4
dBm
Modulation Depth 80 dB
f
RF
= 315MHz -28
Maximum Carrier Harmonics
With output matching
network
f
RF
= 390MHz -32
dBc
Reference Spur -48 dBc
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.
