English
Language : 

SI4831-B30 Datasheet, PDF (5/20 Pages) Silicon Laboratories – BROADCAST MECHANICAL TUNING AM/FM/SW RADIO RECEIVER
Si4831/35-B30
Table 3. DC Characteristics
(VDD = 2.7 to 3.6 V, TA = –15 to 85 °C)
Parameter
Symbol Test Condition
Min
Typ
Max
FM Mode
Supply Current1
Supply Current2
IFM
IFM
Low SNR level
—
21.0
—
—
21.5
—
AM/SW Mode
Supply Current1
IAM
—
17.0
—
Supplies and Interface
VDD Powerdown Current
IDDPD
—
10
—
Notes:
1. Specifications are guaranteed by characterization.
2. LNA is automatically switched to higher current mode for optimum sensitivity in weak signal conditions.
Unit
mA
mA
mA
µA
Table 4. Reset Timing Characteristics
(VDD = 2.7 to 3.6 V, TA = –15 to 85 °C)
Parameter
RST Pulse Width and TUNE1, TUNE2 Setup to RST
TUNE1, TUNE2 Hold from RST
Symbol
Min
Typ
Max
Unit
tSRST
100
—
—
µs
tHRST
30
—
—
ns
tSRST
tHRST
RST 70%
30%
TUNE1 70%
30%
TUNE2 70%
30%
Figure 1. Reset Timing
Rev. 1.0
5