MAX7057 MAXIM [Maxim Integrated Products], MAX7057 Datasheet - Page 3

• Manufacturer Part Number: MAX7057
• Description: 300MHz to 450MHz Frequency-Programmable ASK/FSK Transmitter
• Manufacturer: MAXIM [Maxim Integrated Products]

AC ELECTRICAL CHARACTERISTICS
( Typical Application Circuit , 50Ω system impedance, tuned for 315MHz to 433.92MHz operation, AVDD = DVDD = PAVDD = +2.1V to
+3.6V, f RF = 300MHz to 450MHz, f
DVDD = PAVDD = +2.7V, T
teed by design and characterization over temperature, unless otherwise noted.)
GENERAL CHARACTERISTICS
Frequency Range
Power-On Time
Maximum Data Rate
Frequency Switching Time
PHASE-LOCKED LOOP (PLL)
VCO Gain
PLL Phase Noise
Loop Bandwidth
Reference Frequency Input Level
Frequency-Divider Range
Frequency Deviation (FSK)
CRYSTAL OSCILLATOR
Crystal Frequency
Frequency Pulling by V
Crystal Load Capacitance
POWER AMPLIFIER (PA)
Output Power (Note 1)
Modulation Depth
Maximum Carrier Harmonics
Reference Spur
300MHz to 450MHz Frequency-Programmable
PARAMETER
_______________________________________________________________________________________
DD
A
= +25°C, unless otherwise noted. All min and max values are 100% tested at T
CRYSTAL
SYMBOL
K
f
P
XTAL
t
VCO
ON
OUT
= 16MHz, T
ENABLE transition low-to-high, frequency
settled to within 50kHz of the desired carrier
ENABLE transition low-to-high, frequency
settled to within 5kHz of the desired carrier
ASK mode
FSK mode
Time from end of SPI write to frequency
settled to within 5kHz of desired carrier
f
f
(Note 4)
T
T
+2.1V
T
+3.6V (Note 3)
With output matching
network
RF
RF
A
A
A
= +25°C (Note 3)
= +125°C, AVDD = DVDD = PAVDD =
= -40°C, AVDD = DVDD = PAVDD =
= 315MHz
= 433.92MHz
A
= -40°C to +125°C, unless otherwise noted. Typical values are at AVDD =
CONDITIONS
Manchester encoded
Nonreturn-to-Zero
Manchester encoded
Nonreturn-to-Zero
ASK/FSK Transmitter
f
f
RF
RF
= 315MHz
= 433.92MHz
10kHz offset
1MHz offset
10kHz offset
1MHz offset
10.71
MIN
300
3.8
2.4
19
±2
TYP
12.6
120
260
100
100
320
300
500
-78
-98
-73
-98
9.2
5.2
-29
-44
-45
50
50
70
16
10
71
A
4
= +125°C, and guaran-
23.68
±100
MAX
16.4
17.0
450
28
dBc/Hz
UNITS
MHz/V
ppm/V
mV
kbps
MHz
MHz
dBm
kHz
kHz
dBc
dBc
pF
dB
μs
μs
P-P
3