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SI4739-B20 Datasheet(PDF) 5 Page - Silicon Laboratories

Part # SI4739-B20
Description  BROADCAST WEATHER BAND RADIO RECEIVER
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Manufacturer  SILABS [Silicon Laboratories]
Direct Link  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI4739-B20 Datasheet(HTML) 5 Page - Silicon Laboratories

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Si4736/37/38/39-B20
Rev. 1.0
5
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
Unit
FM Mode
Supply Current
IFM
—19.2
22
mA
Supply Current1
IFM
Low SNR level
19.8
23
mA
RDS Supply Current2
IFM
—19.9
23
mA
Supply Current2
IFMD
Digital Output Mode
18.0
20.5
mA
WB Mode
Supply Current
IFM
—19.2
22
mA
Supply Current
IFM
Low SNR level
19.8
23
mA
Supply Current
IFMD
17.2
20.5
mA
AM Mode
Supply Current
IAM
Analog Output Mode
17.3
20.5
mA
Supply Current2
IAMD
Digital Output Mode
15.5
20.5
mA
Supplies and Interface
Interface Supply Current
IIO
—320
600
µA
VDD Powerdown Current
IDDPD
—10
20
µA
VIO Powerdown Current
IIOPD
SCLK, RCLK inactive
1
10
µA
High Level Input Voltage3
VIH
0.7 x VIO
—VIO +0.3
V
Low Level Input Voltage3
VIL
–0.3
0.3 x VIO
V
High Level Input Current3
IIH
VIN = VIO = 3.6 V
–10
10
µA
Low Level Input Current3
IIL
VIN =0V,
VIO =3.6 V
–10
10
µA
High Level Output Voltage4
VOH
IOUT = 500 µA
0.8 x VIO
——
V
Low Level Output Voltage4
VOL
IOUT = –500 µA
0.2 x VIO
V
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.


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