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NRF51822-CFAB-R 数据表(PDF) 55 Page - Nordic Semiconductor

部件名 NRF51822-CFAB-R
功能描述  Multiprotocol Bluetooth® low energy/2.4 GHz RF System on Chip
PDF  130 Pages
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制造商  NORDIC [Nordic Semiconductor]
网页  https://www.nordicsemi.com/
标志 NORDIC - Nordic Semiconductor

NRF51822-CFAB-R 数据表(HTML) 55 Page - Nordic Semiconductor

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Page 55
nRF51822 Product Specification v3.3
8.5.6
Radio timing parameters
Table 40 Radio timing
8.5.7
Antenna matching network requirements
Table 41 Optimum differential load impedance
8.6
Received Signal Strength Indicator (RSSI) specifications
Table 42 RSSI specifications
Symbol
Description
250 k
1 M
2 M
BLE
Jitter
Units
tTXEN
Time between TXEN task and READY event.
132
132
132
140
0
μs
tTXDISABLE
Time between DISABLE task and DISABLED
event when the radio was in TX.
10
4
3
4
1
μs
tRXEN
Time between the RXEN task and READY event.
130
130
130
138
0
μs
tRXDISABLE
Time between DISABLE task and DISABLED
event when the radio was in RX.
0
0
0
0
1
μs
tTXCHAIN
TX chain delay.
5
1
0.5
1
0
μs
tRXCHAIN
RX chain delay.
12.5
3
2
3
0
μs
Symbol
Description
Min.
Typ.
Max.
Units
Test
level
ZQFN48,ANT1,2
Optimum differential impedance at 2.4 GHz seen
into the matching network from pin ANT1 and
ANT2 on the QFN48 packet.
15 + j85
Ω
1
ZWLCSP,ANT1,2
Optimum differential impedance at 2.4 GHz seen
into the matching network from pin ANT1 and
ANT2 on the WLCSP packet.
12.6 + j106
Ω
1
Symbol
Description
Note
Min.
Typ.
Max.
Units
Test
level
RSSIACC
RSSI accuracy.
Valid range
-50 dBm to -80 dBm.
±6
dB
2
RSSIRESOLUTION
RSSI resolution.
1
dB
1
RSSIPERIOD
Sample period.
8.8
μs
1
RSSICURRENT
Current consumption in
addition to IRX.
250
μA
1



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