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EFM8BB1 Datasheet, PDF (13/46 Pages) Silicon Laboratories – The EFM8BB1 highlighted features are listed below
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Table 4.5. Internal Oscillators
Parameter
Symbol Test Condition
Min
High Frequency Oscillator 0 (24.5 MHz)
Oscillator Frequency
fHFOSC0 Full Temperature and Supply
24
Range
Power Supply Sensitivity
PSSHFOS TA = 25 °C
—
C0
Temperature Sensitivity
TSHFOSC0 VDD = 3.0 V
—
Low Frequency Oscillator (80 kHz)
Oscillator Frequency
fLFOSC
Full Temperature and Supply
75
Range
Power Supply Sensitivity
PSSLFOSC TA = 25 °C
—
Temperature Sensitivity
TSLFOSC VDD = 3.0 V
—
Table 4.6. External Clock Input
Parameter
Symbol Test Condition
Min
External Input CMOS Clock
fCMOS
0
Frequency (at EXTCLK pin)
External Input CMOS Clock High tCMOSH
18
Time
External Input CMOS Clock Low tCMOSL
18
Time
Table 4.7. ADC
Parameter
Resolution
Throughput Rate
(High Speed Mode)
Throughput Rate
(Low Power Mode)
Tracking Time
Power-On Time
SAR Clock Frequency
Symbol Test Condition
Min
Nbits
12 Bit Mode
10 Bit Mode
fS
12 Bit Mode
—
10 Bit Mode
—
fS
12 Bit Mode
—
10 Bit Mode
—
tTRK
High Speed Mode
230
Low Power Mode
450
tPWR
1.2
fSAR
High Speed Mode,
—
Reference is 2.4 V internal
High Speed Mode,
—
Reference is not 2.4 V internal
Low Power Mode
—
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EFM8BB1 Data Sheet
Electrical Specifications
Typ
Max
Unit
24.5
25
MHz
0.5
—
%/V
40
—
ppm/°C
80
85
kHz
0.05
—
%/V
65
—
ppm/°C
Typ
Max
Unit
—
25
MHz
—
—
ns
—
—
ns
Typ
Max
Unit
12
Bits
10
Bits
—
200
ksps
—
800
ksps
—
62.5
ksps
—
250
ksps
—
—
ns
—
—
ns
—
—
µs
—
6.25
MHz
—
12.5
MHz
—
4
MHz
Rev. 1.1 | 12
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