參數資料
型號: RX5005H
廠商: RF Monolithics, Inc.
英文描述: Designed for Short-Range Wireless Control and Data Communications
中文描述: 專為短距離無線控制和數據通信
文件頁數: 10/10頁
文件大?。?/td> 79K
代理商: RX5005H
RF Monolithics, Inc.
RFM Europe
1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com Page 10 of 10
http://www.rfm.com
RX5005H-100405
Pin
Name
Description
17
CNTRL1
CNTRL1 and CNTRL0 select the receiver modes. CNTRL1 and CNTRL0 both high place the unit in the receive mode.
CNTRL1 and CNTRL0 both low place the unit in the power-down (sleep) mode. CNTRL1 is a high-impedance input
(CMOS compatible). An input voltage of 0 to 300 mV is interpreted as a logic low. An input voltage of Vcc - 300 mV or
greater is interpreted as a logic high. An input voltage greater than Vcc + 200 mV should not be applied to this pin. A logic
high requires a maximum source current of 40 μA. Sleep mode requires a maximum sink current of 1 μA. This pin must be
held at a logic level; it cannot be left unconnected.
18
CNTRL0
CNTRL0 is used with CNTRL1 to control the receiver modes. CNTRL0 is a high-impedance input (CMOS compatible). An
input voltage of 0 to 300 mV is interpreted as a logic low. An input voltage of Vcc - 300 mV or greater is interpreted as a
logic high. An input voltage greater than Vcc + 200 mV should not be applied to this pin. A logic high requires a maximum
source current of 40 μA. Sleep mode requires a maximum sink current of 1 μA. This pin must be held at a logic level; it can-
not be left unconnected.
19
GND3
GND3 is an IC ground pin. It should be connected to GND1 by a short, low inductance trace.
20
RFIO
RFIO is the receiver RF input pin. This pin is connected directly to the SAW filter transducer. Antennas presenting an
impedance in the range of 35 to 72 ohms resistive can be satisfactorily matched to this pin with a series matching coil and
a shunt matching/ESD protection coil. Other antenna impedances can be matched using two or three components. For
some impedances, two inductors and a capacitor will be required. A DC path from RFIO to ground is required for ESD pro-
tection.
Note: Specifications subject to change without notice.
SM-20H PCB Pad Layout
Dimensions in inches.
.09
.370
0.000
0
.065
.105
.145
.185
.225
.265
.305
.345
.
.435
.
.
.
.
.
.
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