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參數(shù)資料
| 型號： | MAX9004EUB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO10 |
| 封裝： | UMAX-10 |
| 文件頁數(shù)： | 16/20頁 |
| 文件大小： | 249K |
| 代理商： | MAX9004EUB |
M
antenna can be long parallel wires spaced about 7.2cm
apart, with equal but opposite currents. Radio waves
from this antenna are detectable when the receiver is
brought within close proximity, but cancel out at greater
distances.
Infrared Rec eiver Front End for
Remote Controls and Data Links
The circuit in Figure 9 uses the MAX9003 as a PIN pho-
todiode preamplifier and discriminator for an infrared
receiver. The op amp is configured as a Delyiannis-
noise and eliminates low-frequency interference from
sunlight, fluorescent lights, etc. This circuit is applica-
ble for TV remote controls and low-frequency data links
up to 200kbps. Carrier frequencies are limited to
around 100kHz, as in the example circuit. Component
layout and routing for the amplifier should be tight to
reduce stray capacitance, 60Hz interference, and RFI
from the comparator. Crosstalk from comparator edges
distorts the amplifier signal. To minimize this effect, add
a lowpass RC filter to the connection from the reference
to the op amp’s noninverting input.
S ignal Conditioning
For incoming signals that require filtering, the internal
amplifier provides an opportunity to create an active fil-
ter. This may be required for relatively high-speed sig-
nals that require adequate filtering of high-speed
carrier frequencies, harmonics, and external noise. In
addition, the amplifier can be used to amplify the signal
prior to digitizing it through the comparator to improve
the comparator’s overall output response and improve
its noise immunity.
Low-Power, High-S peed, S ingle-S upply
Op Amp + Comparator + Referenc e ICs
16
______________________________________________________________________________________
REF
0.1
μ
F
0.1
μ
F
π
f
C
100k
1.230V
V
CC
= 5V
COMP
AMP
C2
15pF, 5%
100kHz,
5Vp-p
C1
150pF,
5%
NEC
PH302B
4.99k
NEC
SE307-C
51
R1
49.9k
1%
R1
B
4.99k
1%
R2
100k,
1%
LAYOUT-SENSITIVE AREA
MAX9003
R1 x C1 = R 2
Figure 9. Infrared Receiver Application
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9004EUB+ | 功能描述:運(yùn)算放大器 - 運(yùn)放 Op Amp Comparator Reference IC RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| MAX9004EUB+T | 功能描述:高速運(yùn)算放大器 Op Amp Comparator Reference IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX9004EUB-T | 功能描述:高速運(yùn)算放大器 Op Amp Comparator Reference IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX9005 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Low-Power, High-Speed, Single-Supply Op Amp + Comparator + Reference ICs |
| MAX9005ESA | 功能描述:高速運(yùn)算放大器 Op Amp Comparator Reference IC RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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