SI4430-B1 Datasheet, PDF (11/74 Pages) Silicon Laboratories – Si4430/31/32 ISM TRANSCEIVER

Si4430/31/32-B1
Table 5. Auxiliary Block Specifications¹
Parameter
Symbol
Conditions
Min
Typ Max Units
Temperature Sensor
Accuracy²
TS_A After calibrated via sensor offset
—
register tvoffs[7:0]
0.5
—
°C
Temperature Sensor
Sensitivity²
TS_S
—
5
— mV/°C
Low Battery Detector
Resolution²
LBD_RES
—
50
—
mV
Low Battery Detector
Conversion Time²
LBD_CT
—
250
—
µs
Microcontroller Clock
Output Frequency
F_MC
Configurable to 30 MHz,
32.768K —
30M
Hz
15 MHz, 10 MHz, 4 MHz,
3 MHz, 2 MHz, 1 MHz, or
32.768 kHz
General Purpose ADC
Resolution²
ADC_ENB
—
8
—
bit
General Purpose ADC Bit
Resolution²
ADC_RES
—
4
— mV/bit
Temp Sensor & General
Purpose ADC Conversion
Time²
ADC_CT
—
305
—
µs
30 MHz XTAL Start-Up time
t_30M Using XTAL and board layout in
—
reference design. Start-up time
will vary with XTAL type and
board layout.
600
—
µs
30 MHz XTAL Cap
Resolution²
30M_RES See "5.8. Crystal Oscillator" on
—
page 40 for total load
capacitance calculation
32 kHz XTAL Start-Up Time²
t_32k
—
32 kHz Accuracy using
Internal RC Oscillator²
32KRC_RES
—
97
—
fF
6
—
sec
1000 —
ppm
32 kHz RC Oscillator Start-
Up
t_32kRC
—
500
—
µs
POR Reset Time
Software Reset Time²
t_POR
t_soft
—
16
—
ms
—
250
—
µs
Notes:
1. All specification guaranteed by production test unless otherwise noted. Production test conditions and max limits are
listed in the "Production Test Conditions" section on page 14.
2. Guaranteed by qualification. Qualification test conditions are listed in the "Production Test Conditions" section on
page 14.
Rev 1.1
11