参数资料
型号: MICRF220AYQS TR
厂商: Micrel Inc
文件页数: 12/18页
文件大小: 0K
描述: RCVR ASK/OOK 300-450MHZ 16QSOP
标准包装: 2,500
系列: QwikRadio®
频率: 300MHz ~ 450MHz
灵敏度: -112.5dBm
数据传输率 - 最大: 20kbps
调制或协议: ASK,OOK
应用: 通用
电流 - 接收: 6mA
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: 3 V ~ 3.6 V
工作温度: -40°C ~ 105°C
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
Micrel, Inc.
MICRF220
When four or less out of eight pulses (at DO ′ signal labeled
in Figure 1) are good, the DO output is squelched. If good
pulse count increases to seven or more in any eight
sequential pulses, squelch is disabled, thereby allowing
data to output at DO pin. A good pulse has a duration that
is greater than the values listed in Table 5, and it can be a
high or a low pulse. For other frequencies pulse times are
calculated as follows:
V SEL1
0V
0V
V DD
V DD
V SEL0
0V
V DD
0V
V DD
Pulse Width at
315MHz ( μ s)
420
210
105
53
Pulse Width at
433.92MHz
( μ s)
305
152
76
38
PW = PW @433.92 MHz × ? ?
? ?
August 2010
? 433.92 ?
? Operating Freq(MHz) ?
Eq. 6
12
Table 5. Pulse Width Settings in Squelch
M9999-082610-A
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