参数资料
型号: SI4770-A20-GM
厂商: Silicon Laboratories Inc
文件页数: 18/54页
文件大小: 0K
描述: IC RECEIVER AM/FM CE HP
特色产品: Si477x Pro-Audio, High-Performance AM/FM Receiver and HD Radio Tuner
标准包装: 490
频率: 520kHz ~ 1.71MHz,64MHz ~ 108MHz
调制或协议: AM,FM,RDS
应用: 通用
电流 - 接收: 140mA
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: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
封装/外壳: *
供应商设备封装: *
包装: *
配用: 336-2267-ND - EVAL MODULE AM/FM CE SI4770
336-2269-ND - BOARD EVAL FOR CE AM/FM SI4770
其它名称: 336-2268
SI4770-A10-GM
SI4770-A10-GM-ND
Si4770/77-A20
Table 8. AM Receiver Characteristics (Continued)
(T AMB = –40 to 85 °C, V A = 4.5 to 5.5 V, V D = 2.7 to 3.6 V, V IO1 = 1.7 to 3.6 V, V IO2 = 1.2 to 3.6 V. Typical values measured at
T AMB = 25 °C, AM modulation = 30%, F MOD = 1 kHz, RF level = 74 dBμV, and F RF = 1 MHz unless otherwise specified)
Parameter
IP2 1,3
Test Condition
Desired = 700 kHz,
Min
142
Typ
146
Max
Unit
dBμV
Undesired = 1000 kHz, 1700 kHz
AGC disabled (Max gain)
RF AGC Range
AGC Step Resolution
RF AGC Threshold
Accuracy 4
IF AGC Threshold
Accuracy 4
50
2
2
2
dB
dB
dB
dB
Sensitivity 1,3
SINAD = 20 dB, AGC Disabled (Max RF Gain)
14
17
dBμV EMF
THD
1,3
Mod = 30%
Mod = 90%
0.1
0.2
%
%
Audio SNR 1,3
Antenna Inductance 3
Mod = 30%
60
180
65
540
dB
μH
Audio Outputs: Pins LOUT and ROUT
Audio Output Resistance
Load 4
10k
?
Audio Output
Capacitance Load 4
Audio Output Voltage
PSRR at Audio Output
Pins 4
Single Ended
Ripple test should be for 100 Hz ripple on power
supply lines
96
108
45
50
121
pF
mVRMS
dB
Ripple voltage = 100 mV PP of power supply voltage
Notes:
1. Guaranteed by characterization.
2. Measured at T AMB = 25 °C.
3. No A-weighting. Noise integrated from 30 Hz to 15 kHz for audio SINAD and SNR measurements.
4. Guaranteed by design.
18
Rev. 0.9
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