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参数资料
| 型号： | MICRF220AYQS |
| 厂商： | Micrel Inc |
| 文件页数： | 2/18页 |
| 文件大小： | 0K |
| 描述： | RCVR ASK/OOK 300-450MHZ 16QSOP |
| 标准包装： | 98 |
| 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： | 管件 |
| 其它名称： | 576-3742-5 |
Micrel, Inc.
Pin Configuration
Pin Description
MICRF220AYQS
MICRF220
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin
Name
RO1
GNDRF
ANT
GNDRF
VDD
SQ
SEL0
SHDN
GND
DO
SEL1
CTH
CAGC
RSSI
NC
RO2
Pin Function
Reference resonator connection to the Pierce oscillator. May also be driven by external reference signal of
200mVp-p to 1.5V p-p amplitude maximum. Internal capacitance of 7pF to GND during normal operation.
Ground connection for ANT RF input. Connect to PCB ground plane.
Antenna Input: RF Signal Input from Antenna. Internally AC coupled. It is recommended to use a matching
network with an inductor-to-RF ground to improve ESD protection.
Ground connection for ANT RF input. Connect to PCB ground plane.
Positive supply connection for all chip functions. Bypass with 0.1 μ F capacitor located as close to the VDD pin
as possible.
Squelch Control Logic-Level Input. An internal pull-up (5 μ A typical) pulls the logic-input HIGH when the device
is enabled. A logic LOW on SQ squelches, or reduces, the random activity on DO pin when there is no RF
input signal.
Demodulator Filter Bandwidth Select Logic-Level Input. This pin has an internal pull-up (3 μ A typical) when the
chip is on. Use in conjunction with SEL1 to control demodulation bandwidth.
Shutdown Control Logic-Level Input. A logic-level LOW enables the device. A logic-level HIGH places the
device in low-power shutdown mode. An internal pull-up (5 μ A typical) pulls the logic input HIGH.
Ground connection for all chip functions except for RF input. Connect to PCB ground plane.
Data Output. Demodulated data output. A current limited CMOS output during normal operation, 25k ? pull-
down is present when device is in shutdown.
Demodulator Filter Bandwidth Select Logic-Level Input. This pin has an internal pull-up (3 μ A typical) when the
chip is on. Use in conjunction with SEL0 to Demodulation bandwidth.
Demodulation Threshold Voltage Integration Capacitor. Connect a 0.1 μ F capacitor from CTH pin-to-GND to
provide a stable slicing threshold.
AGC Filter Capacitor. Connect a capacitor from this pin to GND. Refer to the AGC Loop and CAGC section for
information on the capacitor value.
Received Signal Strength Indicator. The voltage on this pin is an inversed amplified version of the voltage on
CAGC. Output is from a switched capacitor integrating op amp with 250 ? typical output impedance.
No Connect. Leave this pin floating.
Reference resonator connection to the Pierce oscillator. Internal capacitance of 7pF to GND during normal
operation.
August 2010
2
M9999-082610-A
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MICRF220AYQS TR | 功能描述:射频接收器 300MHz to 450MHz, 3.0V to 3.6V, 6mA, <10kbps ASK Receiver with RSSI and Shutdown RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MICRF221 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:3.3V, QwikRadio 850 MHz to 950 MHz Receiver |
| MICRF221AYQS | 功能描述:射频接收器 850MHz to 950MHz, 3.0V to 3.6V, 9mA, 10kbps ASK Recdeiver with Auto-Poll and RSSI, Shutdown in 16-lead QSOP RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MICRF221AYQS TR | 功能描述:射频接收器 850MHz to 950MHz, 3.0V to 3.6V, 9mA, 10kbps ASK Recdeiver with Auto-Poll and RSSI, Shutdown in 16-lead QSOP RoHS:否 制造商:Skyworks Solutions, Inc. 类型:GPS Receiver 封装 / 箱体:QFN-24 工作频率:4.092 MHz 工作电源电压:3.3 V 封装:Reel |
| MICRF229YQS-T5 | 功能描述:- RF Receiver ISM 433.92MHz -112dBm 20kbps On-Board, Trace 16-QSOP 制造商:microchip technology 系列:- 包装:剪切带（CT） 零件状态:停产 频率:433.92MHz 灵敏度:-112dBm 数据速率（最大值）:20kbps 调制或协议:ISM 应用:通用 电流 - 接收:6mA 数据接口:- 存储容量:- 天线连接器:板载，跟踪 特性:- 电压 - 电源:3.5 V ~ 5.5 V 工作温度:-40°C ~ 105°C 封装/外壳:16-LSSOP（0.154"，3.90mm 宽） 供应商器件封装:16-QSOP 标准包装:1 |
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