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CYRF89435-68LTXC

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39
CYRF89435
Document Number: 001-76581 Rev. *G Page 28 of 39
RxS
base
Receiver sensitivity (FEC off) – –87 – dBm Room temperature only
0-ppm crystal frequency error.
RxS
temp
– –84 – dBm Over temperature;
0-ppm crystal frequency error.
RxS
ppm
– –84 – dBm Room temperature only
80-ppm total frequency error
(± 40-ppm crystal frequency
error, each end of RF link)
RxS
temp+ppm
– –80 – dBm Over temperature;
80-ppm total frequency error
(± 40-ppm crystal frequency
error, each end of RF link)
R
xmax-sig
Maximum usable signal –20 0 – dBm Room temperature only
Ts Data (Symbol) rate – 1 – μs
Minimum Carrier/Interference ratio For BER
d 0.1%.
Room temperature only.
CI
_cochannel
Co-channel interference – +9 – dB –60-dBm desired signal
CI
_1
Adjacent channel interference,
1-MHz offset
– +6 – dB –60-dBm desired signal
CI
_2
Adjacent channel
interference, 2-MHz offset
– –12 – dB –60-dBm desired signal
CI
_3
Adjacent channel
interference, 3-MHz offset
– –24 – dB –67-dBm desired signal
OBB Out-of-band blocking –
t –27 – dBm 30 MHz to 12.75 GHz
Measured with ACX BF2520
ceramic filter on ant. pin.
–67-dBm desired signal,
BER
d 0.1%.
Room temperature only.
Transmit section Measured using a LC matching
circuit
P
AVH
RF output power – +1 – dBm PA0
(PA_GN = 0, Reg9 = 0x1820).
Room temperature only
P
AVL
––11.2–dBmPA12
(PA_GN = 12, Reg9 = 0x1E20).
Room temperature only.
TxP
fx2
Second harmonic – –45 – dBm Measured using a LC matching
circuit. Room temperature only.
TxP
fx3
Third and higher harmonics – d–45 – dBm Measured using a LC matching
circuit. Room temperature only.
Modulation characteristics
Df1
avg
– 263 – kHz Modulation pattern: 11110000...
Df2
avg
– 255 – kHz Modulation pattern: 10101010...
In-band spurious emission
IBS_2 2-MHz offset – – –20 dBm
IBS_3 3-MHz offset – – –30 dBm
IBS_4
t 4-MHz offset – d–30 – dBm
Electrical Specifications – RF Section (continued)
Symbol Description Min Typ Max Units Test Condition and Notes
N
o
t
reco
mm
e
n
ded
fo
r
ne
w desi
g
ns
CYRF89435
Document Number: 001-76581 Rev. *G Page 29 of 39
RF VCO and PLL section
F
step
Channel (Step) size 1 – MHz
L
100k
SSB phase noise –75 – dBc/Hz 100-kHz offset
L
1M
–105 – dBc/Hz 1-MHz offset
dF
X0
Crystal oscillator frequency error –40 – +40 ppm Relative to 12-MHz crystal
reference frequency
T
HOP
RF PLL settling time – 100 150 μs Settle to within 30 kHz of final
value. AutoCAL off.
T
HOP_AC
–250350μs Settle to within 30 kHz of final
value. AutoCAL on.
LDO voltage regulator section
V
DO
Dropout voltage – 0.17 0.3 V Measured during receive state
Electrical Specifications – RF Section (continued)
Symbol Description Min Typ Max Units Test Condition and Notes
N
o
t
reco
mm
e
n
ded
fo
r
ne
w desi
g
ns
CYRF89435
Document Number: 001-76581 Rev. *G Page 30 of 39
Initialization Timing Requirements
Figure 12. Initialization Flowchart
Table 24. Initialization Timing Requirements
Timing
Parameter
Min Max Unit Notes
T
RSU
– 30 / 150 ms 30 ms Reset setup time necessary to ensure complete Reset for VIN = 6.5mV/s,
150 ms Reset setup time necessary to ensure complete Reset for VIN = 2mV/s
T
RPW
1 10 μs Reset pulse width necessary to ensure complete reset
T
CMIN
3 – ms Minimum recommended crystal oscillator and APLL settling time
T
VIN
– 6.5 / 2 mV/s Maximum ramp time for V
IN
, measured from 0 to 100% of final voltage.
For example, if V
IN
= 3.3 V, the max ramp time is 6.5 × 3.3 = 21.45 ms.
If V
IN
= 1.9 V, the max ramp time = 6.5 × 1.9 = 12.35 ms.
Reset setup time necessary to ensure complete Reset for VIN = 6.5 mV/s
Reset setup time necessary to ensure complete Reset for VIN = 6.5 mV/s
Reset setup time necessary to ensure complete Reset for VIN=6.5 mV/s
Initialize
CYRF89435 at
power-up
MCU generates
negative- going
RST_n pulse
Wait Crystal
Enable Time
Initialize
Registers,
beginning with
Reg[27]
Initialization
Done
RST_n pulls up
along with Vin
N
o
t
reco
mm
e
n
ded
fo
r
ne
w desi
g
ns
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39

CYRF89435-68LTXC

Mfr. #:
Buy CYRF89435-68LTXC
Manufacturer:
Cypress Semiconductor
Description:
RF Transceiver Wireless Capacitive Touch
Lifecycle:
New from this manufacturer.
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