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參數(shù)資料
| 型號(hào)： | AMIS30585C5852G |
| 廠商： | ON Semiconductor |
| 文件頁數(shù)： | 15/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MODEM S-FSK HALFDUPLEX 28PLCC |
| 標(biāo)準(zhǔn)包裝： | 37 |
| 波特率： | 14.4k |
| 電源電壓： | 3 V ~ 3.6 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-LCC（J 形引線） |
| 供應(yīng)商設(shè)備封裝： | 28-PLCC（11.51x11.51） |
| 包裝： | 管件 |
AMIS30585
http://onsemi.com
7
Pin 23: RESB
RESB is a digital input pin. It is used to perform a
hardware reset of the AMIS30585. This pin supports a 5 V
voltage level. The reset is active when the signal is low
(0 V).
Pin 24: TEST
TEST is a digital input pin. It is used to enable the test
mode of the chip. Normal mode is activated when TEST
signal is low (0 V). For normal operation, the TEST pin may
be left unconnected. Thank to the internal pulldown, the
signal is maintained to low (0 V). TEST pin is not 5 V safe.
Pin 25: TX_ENB
TX_ENB is a digital output pin. It is high when the
transmitter is activated. The signal is available to turn on the
line driver. TX_ENB is a 5 V safe with open drain output,
hence a pullup resistance is necessary to achieve the
requested voltage level associated with a logical one. See
also Figure 4 for reference.
Pin 26: TX_OUT
TX_OUT is the analog output pin of the transmitter. The
provided signal is the SFSK modulated frames. A filtering
operation must be performed to reduce the second order
harmonic distortion. For this purpose an active filter is
realized. Figure 7 gives the representation of this filter.
Figure 7. TX_OUT Filter
Pin 27: ALC_IN
ALC_IN is the automatic level control analog input pin.
The signal is used to adjust the level of the transmitted
signal. The signal level adaptation is based on the AC
component. The DC level on the ALC_IN pin is fixed
internally to 1.65 V. Comparing the peak voltage of the AC
signal with two internal thresholds does the adaptation of the
gain. Low threshold is fixed to 0.4 V. A value under this
threshold will result in an increase of the gain. The high
threshold is fixed to 0.6 V. A value over this threshold will
result in a decrease of the gain. The pin must be decoupled
from the sensed signal by a 1 mF capacitor. An application
example is given in Figure 8. A serial capacitance is used to
filter the DC components. The level adaptation is performed
during the transmission of the first two bits of a new frame.
Eight successive adaptations are performed.
Figure 8. Connection to the Line Driver
Pin 28: VDDA
VDDA is the positive analog supply pin. Nominal voltage
supply is 3.3 V. A decoupling capacitor (C_DEC) must be
placed between this pin and the VSSA (see pin 1).
Figure 9. Placement of Decoupling Capacitor
NOTE: The user should take care about difference of ground
voltages between different boards. Should ground
voltages not be the same, the use of isolation devices is
mandatory.
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| AMIS30585C5852RG | 功能描述:電信線路管理 IC PLC MODEM RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| AMIS30585GEVK | 功能描述:電源管理IC開發(fā)工具 EVK PLC MODEM 1200 BAUD RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| AMIS305XXGEVK | 功能描述:電源管理IC開發(fā)工具 AMIS30542 eval kit mother board RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| AMIS-30600 | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Transceiver |
| AMIS30600AGA | 制造商:AMI 制造商全稱:AMI 功能描述:LIN Transceiver |
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