SI4720-B20-GMR Datasheet, PDF (6/48 Pages) Silicon Laboratories – BROADCAST FM RADIO TRANSCEIVER FOR PORTABLE APPLICATIONS

Si4720/21-B20
Table 3. DC Characteristics
Parameter
Symbol Test Condition
Min
Typ
Max
FM Receiver
RX Supply Current
RX Supply Current¹
RX Interface Supply Current
RX RDS Supply Current²
RX Supply Current²
FM Transmitter
I_RX
—
I_RX
Low SNR level
—
I_IORX
—
I_FM Analog Output Mode
—
I_FMD Digital Output Mode
—
19.2
22
19.8
23
320
600
19.9
23
18.0
20.5
TX Supply Current
I_TX
TX Interface Supply Current
I_IOTX
FM Transmitter from Digital Audio Input
—
18.8
22.8
—
320
600
TX Supply Current
I_DTX DCLK = 3.072 MHz
—
18.3
—
TX Interface Supply Current
I_DIO
DCLK = 3.072 MHz
—
320
—
FM Transmitter in Receive Power Scan Mode
RX Supply Current
RX Interface Supply Current
Supplies and Interface
I_RX
I_IORPS
—
16.8
—
—
400
—
V_DD Powerdown Current
I_DDPD Powerdown mode
—
10
20
V_IO Powerdown Current
I_IOPD SCLK, RCLK inactive
—
3
10
Powerdown mode
High Level Input Voltage³
Low Level Input Voltage³
High Level Input Current³
Low Level Input Current³
High Level Output Voltage⁴
Low Level Output Voltage⁴
V_IH
0.7 x V_IO
—
VIO + 0.3
V_IL
–0.3
—
0.3 x V_IO
I_IH
V_IN = V_IO = 3.6 V
–10
—
10
I_IL
V_IN = 0 V, V_IO = 3.6 V
–10
—
10
V_OH
I_OUT = 500 µA
0.8 x VIO
—
—
V_OL
I_OUT = –500 µA
—
—
0.2 x V_IO
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.
Unit
mA
mA
µA
mA
mA
mA
µA
mA
µA
mA
µA
µA
µA
V
V
µA
µA
V
V
6
Rev. 1.0