AX5043-QFN28-TU AXSEM, AX5043-QFN28-TU Datasheet - Page 16

• Manufacturer Part Number: AX5043-QFN28-TU
• Description: RF Transceiver Narrow-Band-IC
• Manufacturer: AXSEM

Specifications of AX5043-QFN28-TU

• Number Of Receivers: 1
• Number Of Transmitters: 1
• Wireless Frequency: 70 MHz to 1050 MHz
• Interface Type: SPI
• Output Power: 18 dBm to 22 dBm
• Operating Supply Voltage: 1.8 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Maximum Supply Current: 60 mA
• Minimum Operating Temperature: - 40 C
• Modulation: ASK, FSK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

16
Specifications
RF Frequency Generation Subsystem (Synthesizer)
SYMBOL
f
Dividers
NDIV
NDIV
NDIV
Charge Pump
I
Internal VCO (VCOSEL=0)
f
f
BW
BW
BW
T
T
T
PN868
PN433
VCO with external inductors (VCOSEL=1, VCO2INT=1)
f
f
Version 0.2
CP
REF
RF
step
RFrng_lo
RFrng_hi
start1
start2
start3
1
2
3
ref
main
RF
DESCRIPTION
Reference frequency
Reference divider ratio range
Main divider ratio range
RF divider range
Charge pump current
RF frequency range
RF frequency step
Synthesizer loop bandwidth
Synthesizer start-up time if
crystal oscillator and reference
are running
Synthesizer phase noise
Loop filter configuration:
FLT=01
Charge pump current: 68 !A
Synthesizer phase noise
Loop filter configuration:
FLT=01
Charge pump current: 68 !A
RF frequency range
CONDITION
Controlled directly with
register REFDIV
Controlled indirecty with
register FREQ
Controlled directly with
register RFDIV
Programmable in increments
of 8.5 !A via register PLLCPI
RFDIV=1
RFDIV=0
RFDIV=1, fxtal=16.000000
MHz
Loop filter configuration:
FLT=01
Charge pump current: 68 !A
Loop filter configuration:
FLT=10
Charge pump current: 272
!A
Loop filter configuration:
FLT=11
Charge pump current: 1.7
mA
Loop filter configuration:
FLT=01
Charge pump current: 68 !A
Loop filter configuration:
FLT=10
Charge pump current: 272
!A
Loop filter configuration:
FLT=11
Charge pump current: 1.7
mA
868 MHz, 100 kHz from
carrier
868 MHz, 300 kHz from
carrier
868 MHz, 1 MHz from carrier
433 MHz, 100 kHz from
carrier
RFDIV=1
RFDIV=0
Preliminary
MIN
400
800
140
8.5
70
2
4
1
.
0
0.98
-100
-110
-125
-112
TYP
100
200
500
16
25
12
5
.
Datasheet AX5043
2168
1050
MAX
525
400
800
67
2
2
.
3
UNIT
dBc/Hz
dBc/Hz
MHz
MHz
MHz
kHz
!A
Hz
!s