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SI4736-B20 Datasheet, PDF (5/38 Pages) Silicon Laboratories – BROADCAST WEATHER BAND RADIO RECEIVER
Si4736/37/38/39-B20
Table 3. DC Characteristics
(VDD = 2.7 to 5.5 V, VIO = 1.5 to 3.6 V, TA = –20 to 85 °C)
Parameter
Symbol Test Condition
Min
Typ
Max
FM Mode
Supply Current
Supply Current1
RDS Supply Current2
Supply Current2
WB Mode
Supply Current
Supply Current
Supply Current
IFM
—
IFM
Low SNR level
—
IFM
—
IFMD
Digital Output Mode
—
IFM
—
IFM
Low SNR level
—
IFMD
—
19.2
22
19.8
23
19.9
23
18.0
20.5
19.2
22
19.8
23
17.2
20.5
AM Mode
Supply Current
Supply Current2
IAM
Analog Output Mode
—
IAMD
Digital Output Mode
—
17.3
20.5
15.5
20.5
Supplies and Interface
Interface Supply Current
VDD Powerdown Current
VIO Powerdown Current
High Level Input Voltage3
Low Level Input Voltage3
High Level Input Current3
Low Level Input Current3
High Level Output Voltage4
Low Level Output Voltage4
IIO
—
320
600
IDDPD
—
10
20
IIOPD SCLK, RCLK inactive
—
1
10
VIH
0.7 x VIO
—
VIO + 0.3
VIL
–0.3
—
0.3 x VIO
IIH
VIN = VIO = 3.6 V
–10
—
10
IIL
VIN = 0 V,
–10
—
10
VIO = 3.6 V
VOH
IOUT = 500 µA
0.8 x VIO
—
—
VOL
IOUT = –500 µA
—
—
0.2 x VIO
Notes:
1. LNA is automatically switched to higher current mode for optimum sensitivity in weak signal conditions.
2. Specifications are guaranteed by characterization.
3. For input pins SCLK, SEN, SDIO, RST, RCLK, DCLK, and DFS.
4. For output pins SDIO, DOUT, GPO1, GPO2, and GPO3.
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
µA
V
V
µA
µA
V
V
Rev. 1.0
5