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參數(shù)資料
| 型號(hào)： | MAX9922EVKIT+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/15頁 |
| 文件大小： | 0K |
| 描述： | EVALUATION KIT FOR MAX9922 |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 每 IC 通道數(shù)： | 1 - 單 |
| 放大器類型： | 電流檢測(cè) |
| 輸出類型： | 單端 |
| 轉(zhuǎn)換速率： | 0.4 V/µs |
| -3db帶寬： | 10kHz |
| 工作溫度： | -40°C ~ 85°C |
| 電流供應(yīng)（主 IC）： | 780µA |
| 電壓 - 電源，單路/雙路(±)： | 2.85 V ~ 5.5 V |
| 板類型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX9922 |
MAX9922/MAX9923
Ultra-Precision, High-Side
Current-Sense Amplifiers
12
______________________________________________________________________________________
Optional Noise Reduction Capacitor
A noise reduction capacitance of ~1nF can be con-
nected between OUT and FB, if needed. Noise reduc-
tion is achieved by both limiting the amplifier
bandwidth, reducing contribution of broadband white
noise and by attenuating contribution of any small
20kHz autozero ripple that appears at the output. Using
higher values of feedback capacitance reduces the
output noise of the amplifier, but also reduces its signal
bandwidth.
Efficiency and Power Dissipation
At high current levels, the I2R losses in RSENSE can be
significant. Take this into consideration when choosing
the resistor value and its power dissipation (wattage)
rating. The sense resistor’s value will drift if it is allowed
to heat up excessively. The precision VOS of the
MAX9922/MAX9923 allows the use of small sense resis-
tors to reduce power dissipation and reduce hot spots.
Sense Resistor Connections
Take care to prevent solder and trace resistance from
causing errors in the sensed voltage because of the high
currents that flow through RSENSE. Either use a four termi-
nal current-sense resistor or use Kelvin (force and sense)
PCB layout techniques to minimize these errors.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9922EVKIT+ | 功能描述:放大器 IC 開發(fā)工具 MAX9922/23 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V |
| MAX9923FABT+T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX9923FAUB+ | 功能描述:電流靈敏放大器 Current-Sense Amplifier RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX9923FEUB+ | 功能描述:電流靈敏放大器 Current-Sense Amplifier RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX9923FEUB+T | 功能描述:電流靈敏放大器 Current-Sense Amplifier RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
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