MAX7058(2008) データシートの表示（PDF） - Maxim Integrated
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MAX7058 Datasheet PDF : 14 Pages
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315MHz/390MHz Dual-Frequency
ASK Transmitter
AC ELECTRICAL CHARACTERISTICS
(Typical Operating Circuit, 50Ω system impedance, AVDD = DVDD = PAVDD = +2.1V to +3.6V, fRF = 315MHz or 390MHz, TA =
-40°C to +125°C, unless otherwise noted. Typical values are at AVDD = DVDD = PAVDD = +2.7V, TA = +25°C, unless otherwise
noted. All min and max values are 100% tested at TA = +125°C, and guaranteed by design and characterization over temperature,
unless otherwise noted.)
PARAMETER
SYMBOL
GENERAL CHARACTERISTICS
CONDITIONS
MIN TYP MAX UNITS
Frequency Range
300 315/390 450 MHz
Power-On Time
ENABLE transition low-to-high, frequency
settled to within 50kHz of the desired carrier
110
tON
μs
ENABLE transition low-to-high, frequency
settled to within 5kHz of the desired carrier
250
Maximum Data Rate
Manchester encoded
Nonreturn to zero (NRZ)
50
kbps
100
Frequency Switching Time
Time from low-to-high or high-to-low
transition of FSEL to frequency settled to
within 5kHz of the desired carrier
30
μs
PHASE-LOCKED LOOP (PLL)
VCO Gain
PLL Phase Noise
Loop Bandwidth
Reference Frequency Input Level
Frequency-Divider Range
CRYSTAL OSCILLATOR
Crystal Frequency
Frequency Pulling by VDD
Crystal Load Capacitance
KVCO
fRF = 315MHz
fRF = 390MHz
fXTAL
(Note 4)
10kHz offset
1MHz offset
10kHz offset
1MHz offset
320
MHz/V
-87
-98
dBc/Hz
-84
-98
600
kHz
500
mVP-P
21
26
15
MHz
4
ppm/V
10
pF
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