MAX9947ETE Просмотр технического описания (PDF) - Maxim Integrated
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MAX9947ETE Datasheet PDF : 17 Pages
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MAX9947
AISG Integrated Transceiver
Pin Coniguration
TOP VIEW
12 11 10 9
VCC 13
XTAL1 14
XTAL2 15
GND 16
MAX9947
+
EP*
1
2
3
4
8 GND
7 DIRMD1
6 DIRMD2
5 DIR
TQFN
(3mm x 3mm)
*EP = EXPOSED PAD. CONNECT EP TO GND TO ENHANCE THERMAL DISSIPATION.
Pin Description
PIN
1
2
3
4
5
6
7
8, 16
9
10
11
12
13
14
15
—
NAME
FUNCTION
SYNCOUT Sync Output. Open-drain output that outputs the 8.704MHz clock to synchronize other devices.
TXIN Digital Signal Input
VL
Logic Supply Voltage
RXOUT Digital Signal Output
DIR Direction Output. DIR is asserted high when the data stream is seen at the receiver (RXIN).
DIRMD2 Duration Mode Select Input 2
DIRMD1 Duration Mode Select Input 1
GND Ground
RES External Resistors’ Connection to Set the Output Power Level
BIAS Output Bias Reference. Used with RES to set the output power level. Decouple BIAS with 1µF to GND.
RXIN OOK-Modulated Input Signal
TXOUT OOK-Modulated Output Signal
VCC
XTAL1
Analog Supply Voltage
External Crystal Input Terminal. Feed with 8.704MHz (±30ppm) input clock for external synchronization.
XTAL2 External Crystal Input Terminal. Connect to GND for external synchronization.
EP
Exposed Pad. Connect EP to GND to enhance thermal dissipation.
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