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Si4721-B20-GM 데이터시트(PDF) 6 Page - Silicon Laboratories

부품명 Si4721-B20-GM
상세설명  BROADCAST FM RADIO TRANSCEIVER FOR PORTABLE APPLICATIONS
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제조업체  SILABS [Silicon Laboratories]
홈페이지  http://www.silabs.com
Logo SILABS - Silicon Laboratories

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Si4720/21-B20
6
Rev. 1.0
Table 3. DC Characteristics
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
FM Receiver
RX Supply Current
IRX
—19.2
22
mA
RX Supply Current1
IRX
Low SNR level
19.8
23
mA
RX Interface Supply Current
IIORX
320
600
µA
RX RDS Supply Current2
IFM
Analog Output Mode
19.9
23
mA
RX Supply Current2
IFMD
Digital Output Mode
18.0
20.5
mA
FM Transmitter
TX Supply Current
ITX
18.8
22.8
mA
TX Interface Supply Current
IIOTX
320
600
µA
FM Transmitter from Digital Audio Input
TX Supply Current
IDTX
DCLK = 3.072 MHz
18.3
mA
TX Interface Supply Current
IDIO
DCLK = 3.072 MHz
320
µA
FM Transmitter in Receive Power Scan Mode
RX Supply Current
IRX
—16.8—
mA
RX Interface Supply Current
IIORPS
—400
µA
Supplies and Interface
VDD Powerdown Current
IDDPD
Powerdown mode
10
20
µA
VIO Powerdown Current
IIOPD
SCLK, RCLK inactive
Powerdown mode
—3
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. Guaranteed by characterization.
3. For input pins SCLK, SEN, SDIO, RST, RCLK, GPO1, GPO2/INT, and GPO3.
4. For output pins SDIO, GPO1, GPO2/INT, and GPO3.


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