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參數(shù)資料
| 型號(hào)： | EM2420TR |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 2.4 GHz IEEE 802.15.4 / ZigBee RF Transceiver |
| 中文描述： | 2.4 GHz IEEE 802.15.4標(biāo)準(zhǔn)/ ZigBee的射頻收發(fā)器 |
| 文件頁(yè)數(shù)： | 53/89頁(yè) |
| 文件大?。?/td> | 1758K |
| 代理商： | EM2420TR |
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EM2420
Ember Part Number: 120-0049-000
C
EM2420 Datasheet
Page 53 of 89
Voltage Regulator
The
EM2420
includes a low drop-out
voltage regulator. This is used to provide a
1.8 V power supply to the
EM2420
power
supplies. The voltage regulator should not
be used to provide power to other circuits
because
of
limited
capability and noise considerations.
power
sourcing
The voltage regulator input pin
VREG_IN
is connected to the unregulated 2.1 to 3.6
V power supply. The voltage regulator is
enabled / disabled using the active high
voltage regulator enable pin
VREG_EN
.
The regulated 1.8 V voltage output is
available on the
VREG_OUT
pin. A
simplified
schematic
regulator is shown in Figure 26.
of
the
voltage
The voltage regulator requires external
components
as
described
Application Circuit section on page 18.
in
the
When disabling the voltage regulator, note
that register and RAM programming will
be lost as leakage current reduces the
output voltage on the
VREG_OUT
pin below
1.6 V. The
EM2420
should then be reset
before the voltage regulator is disabled.
VREG_IN
Internal
bandgap
voltage
reference
1.25 V
VREG_OUT
VREG_EN
Regulator
Enable / disable
Figure 26. Voltage regulator, simplified schematic
Battery Monitor
The on-chip battery monitor enables
monitoring the unregulated voltage on the
VREG_IN
pin. It gives status information
on the voltage being above or below a
programmable threshold. A simplified
schematic of the battery monitor is shown
in Figure 27.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM242302 | 功能描述:柵欄接線端子 EURO MC421-38102 TERM RoHS:否 制造商:TE Connectivity / AMP 產(chǎn)品:Barrier Terminal Blocks 系列: 類(lèi)型:Dual Barrier, Flat Block without Mounting Ears 節(jié)距:9.53 mm 位置/觸點(diǎn)數(shù)量:2 線規(guī)量程:22-12 電流額定值:20 A 電壓額定值:300 V 安裝風(fēng)格:Through Hole 安裝角:Vertical 端接類(lèi)型:Screw 觸點(diǎn)電鍍:Tin |
| EM242303 | 功能描述:柵欄接線端子 EURO MC421-38103 TERM RoHS:否 制造商:TE Connectivity / AMP 產(chǎn)品:Barrier Terminal Blocks 系列: 類(lèi)型:Dual Barrier, Flat Block without Mounting Ears 節(jié)距:9.53 mm 位置/觸點(diǎn)數(shù)量:2 線規(guī)量程:22-12 電流額定值:20 A 電壓額定值:300 V 安裝風(fēng)格:Through Hole 安裝角:Vertical 端接類(lèi)型:Screw 觸點(diǎn)電鍍:Tin |
| EM242608H | 功能描述:可插拔接線端子 EuroMag Pluggable Terminal Block RoHS:否 制造商:Phoenix Contact 產(chǎn)品:Plugs 系列:PTS 端接類(lèi)型:Spring Cage 位置/觸點(diǎn)數(shù)量:5 線規(guī)量程:26-14 節(jié)距:5 mm 電流額定值:10 A 電壓額定值:250 V 安裝風(fēng)格: 安裝角: 觸點(diǎn)電鍍: |
| EM-24346-C36 | 功能描述:麥克風(fēng) 3.61 X 3.61 X 2.21MM -52 SENS, 12SL PORT RoHS:否 制造商:Knowles Acoustics 方向性:Omnidirectional 阻抗:4.4 K Ohms 工作電壓:0.9 V to 10 V 靈敏度:- 53 dB 端接類(lèi)型:Wire Leads 長(zhǎng)度:5.56 mm 寬度:3.98 mm 深度:2.21 mm |
| EM-24346-D65 | 功能描述:100Hz ~ 10kHz Analog Microphone Electret Condenser 1.3V Omnidirectional (-52dB ±3dB @ 74dB SPL) Solder Pads 制造商:knowles 系列:EM 包裝:托盤(pán) 零件狀態(tài):有效 類(lèi)型:駐極體電容 輸出類(lèi)型:模擬 方向:全向 頻率范圍:100Hz ~ 10kHz 靈敏度:-52dB ±3dB @ 74dB SPL 信噪比:- 阻抗:4.4 千歐 電壓 - 額定:1.3V 電壓范圍:0.9 ~ 3V 電流 - 電源:50μA 端口位置:側(cè)面 密封等級(jí):無(wú) 端接:焊盤(pán) 大小/尺寸:3.57mm 長(zhǎng) x 3.57mm 寬 高度（最大值）:2.21mm 形狀:方形 標(biāo)準(zhǔn)包裝:25 |
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