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參數(shù)資料
| 型號： | MAX4338EUB+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OP AMP R-R I/O W/SD 10-UMAX |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 2 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 1.8 V/µs |
| 增益帶寬積： | 5MHz |
| 電流 - 輸入偏壓： | 100nA |
| 電壓 - 輸入偏移： | 600µV |
| 電流 - 電源： | 1.3mA |
| 電流 - 輸出 / 通道： | 110mA |
| 電壓 - 電源，單路/雙路(±)： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-µMAX |
| 包裝： | 帶卷 (TR) |
MAX4335–MAX4338
SC70/SOT23-8, 50mA IOUT, Rail-to-Rail I/O
Op Amps with Shutdown/Mute
12
______________________________________________________________________________________
Figures 8 and 9 show the transient response with
excessive capacitive loads (330pF), with and without
the addition of an isolation resistor in series with the
output. Figure 10 shows a typical noninverting capaci-
tive-load-driving circuit in the unity-gain configuration.
The resistor improves the circuit’s phase margin by iso-
lating the load capacitor from the op amp’s output.
Power-Up and Shutdown/Mute Modes
The MAX4336/MAX4338 have a shutdown option.
When the shutdown pin (SHDN) is pulled low, supply
current drops to 0.04A per amplifier (VCC = 5V), the
amplifiers are disabled, and their outputs are placed in
a high-impedance state. Pulling SHDN high enables
the amplifier. In the dual MAX4338, the two amplifiers
shut down independently. Figure 11 shows the
MAX4336’s output voltage response to a shutdown
pulse. The MAX4335–MAX4338 typically settle within
5s after power-up (Figure 12).
Power Supplies and Layout
The MAX4335–MAX4338 can operate from a single
2.7V to 5.5V supply. Bypass the power supply with a
0.1F ceramic capacitor in parallel with at least 1F.
Good layout improves performance by decreasing the
amount of stray capacitance at the op amps’ inputs
and outputs. Decrease stray capacitance by placing
external components close to the op amps’ input/output
pins, minimizing trace and lead lengths.
Thermal Overload Protection
The MAX4335–MAX4338 includes thermal overload
protection circuitry. When the junction temperature of
the device exceeds +140°C, the supply current drops
to 120A per amplifier (VCC = 5V) and the outputs are
placed in a high-impedance state. The device returns
to normal operation when the junction temperature falls
to below +120°C.
Short-Circuit Current Protection
The MAX4335–MAX4338 incorporate a smart short-cir-
cuit protection feature. Figure 7 shows the output volt-
age region where the protection circuitry is active. A
fault condition occurs when IOUT > 110mA and VOUT >
1V (sinking current) or when IOUT > 110mA and (VCC -
VOUT) > 1V (sourcing current). When a fault is detect-
ed, the short-circuit protection circuitry is activated and
the output current is limited to 110mA, protecting the
device and the application circuitry. When the smart
short circuit is not active, the output current can safely
exceed 110mA (see the Output Current vs. Output
Voltage Graph in the Typical Operating Characteristics).
4.2k
4.2k
Figure 5. Input Protection Circuit
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4338EUB-TG05 | 功能描述:運算放大器 - 運放 50mA IOUT Rail-Rail w/Shutdown/Mute 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 |
| MAX4338EVKIT | 功能描述:放大器 IC 開發(fā)工具 Evaluation Kit for the MAX4338 MAX4233 RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評估:IR4302 工作電源電壓:13 V to 23 V |
| MAX4350EUK | 制造商:Maxim Integrated Products 功能描述:ULTRA-SMALL LOW-COST 250MHZ DUAL - Rail/Tube |
| MAX4350EUK+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL VOLT FDBK R-R O/P 5.5V/11V 5PIN SOT-23 - Rail/Tube |
| MAX4350EUK+T | 功能描述:高速運算放大器 210MHz Dual-Supply w/Rail-Rail Output 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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