参数资料
型号: SI4737-C40-GM
厂商: Silicon Laboratories Inc
文件页数: 29/42页
文件大小: 0K
描述: IC RX AM/FM/WB RDS/RBDS 20UQFN
标准包装: 490
频率: 520kHz ~ 1.71MHz,64MHz ~ 108MHz,162.4MHz ~ 162.55MHz
调制或协议: AM,FM,WB
应用: 通用
电流 - 接收: 19.9mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
特点: 配有 RSSI
电源电压: 2.7 V ~ 5.5 V
工作温度: -20°C ~ 85°C
封装/外壳: 20-UFQFN 裸露焊盘
供应商设备封装: 20-QFN(3x3)
包装: 托盘
Si4736/37/38/39-C40
Table 16. Selected Si473x Properties (Continued)
Prop
0x3401
0x3402
0x3403
0x3404
0x4000
0x4001
0x5108
0x5200
0x5600
Name
AM_SEEK_BAND_TOP
AM_SEEK_FREQ_
SPACING
AM_SEEK_SNR_
THRESHOLD
AM_SEEK_RSSI_
THRESHOLD
RX_VOLUME
RX_HARD_MUTE
WB_MAX_TUNE_ERROR
WB_RSQ_INTERRUPT_
SOURCE
WB_ASQ_INTERRUPT_
SOURCE
Description
Sets the top of the AM band for seek.
Selects frequency spacing for AM seek. Default is 10 kHz
spacing.
Sets the SNR threshold for a valid AM Seek/Tune. If the value is
zero, then SNR threshold is not considered when doing a seek.
Default value is 5 dB.
Sets the RSSI threshold for a valid AM Seek/Tune. If the value
is zero, then RSSI threshold is not considered when doing a
seek. Default value is 25 dBuV.
Sets the output volume.
Mutes the audio output. L and R audio outputs may be muted
independently in FM mode.
Maximum change in frequencies from the WB_TUNE_FREQ to
which the AFC will lock.
Configures interrupts related to RSQ metrics. All interrupts are
disabled by default.
Configures 1050 Hz alert tone interrupts. All interrupts are dis-
abled by default.
Rev. 1.0
Default
0x06AE
0x000A
0x0005
0x0019
0x003F
0x0000
0x000F
0x0000
0x0000
29
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