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參數(shù)資料
| 型號(hào)： | MAX4384EUP+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC OP AMP R-R SS 20-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 74 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 4 |
| 輸出類型： | 滿擺幅 |
| 轉(zhuǎn)換速率： | 485 V/µs |
| -3db帶寬： | 210MHz |
| 電流 - 輸入偏壓： | 8.5µA |
| 電壓 - 輸入偏移： | 3000µV |
| 電流 - 電源： | 7.5mA |
| 電流 - 輸出 / 通道： | 75mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 11 V，±2.25 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 20-TSSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1389 (CN2011-ZH PDF) |
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MAX4380–MAX4384
Ultra-Small, Low-Cost, 210MHz, Single-Supply
Op Amps with Rail-to-Rail Outputs and Disable
______________________________________________________________________________________
11
have a 16ns settling time to 0.1%, 485V/s slew rates,
and output-current-drive capability of up to 75mA
making them ideal for driving video loads.
Inverting and Noninverting Configurations
Select the gain-setting feedback (RF) and input (RG)
resistor values to fit your application. Large resistor val-
ues increase voltage noise and interact with the ampli-
fier’s input and PC board capacitance. This can
generate undesirable poles and zeros and decrease
bandwidth or cause oscillations. For example, a nonin-
verting gain-of-two configuration (RF = RG) using 1k
resistors, combined with 1pF of amplifier input capaci-
tance and 1pF of PC board capacitance, causes a
pole at 159MHz. Since this pole is within the amplifier
bandwidth, it jeopardizes stability. Reducing the 1k
resistors to 100
extends the pole frequency to
1.59GHz, but could limit output swing by adding 200
in parallel with the amplifier’s load resistor
(Figures 1a and 1b).
Layout and Power-Supply Bypassing
These amplifiers operate from a single +4.5V to +11V
power supply or from dual ±2.25V to ±5.5V supplies. For
single-supply operation, bypass VCC to ground with a
0.1F capacitor as close to the pin as possible. If operat-
ing with dual supplies, bypass each supply with a 0.1F
capacitor.
Maxim recommends using microstrip and stripline
techniques to obtain full bandwidth. To ensure that the
PC board does not degrade the amplifier’s perfor-
mance, design it for a frequency greater than 1GHz.
Pay careful attention to inputs and outputs to avoid
large parasitic capacitance. Whether or not you use a
constant-impedance board, observe the following
design guidelines:
Don’t use wire-wrap boards; they are too inductive.
Don’t use IC sockets; they increase parasitic capaci-
tance and inductance.
Use surface-mount instead of through-hole compo-
nents for better high-frequency performance.
Use a PC board with at least two layers; it should be
as free from voids as possible.
Keep signal lines as short and as straight as possi-
ble. Do not make 90° turns; round all corners.
Rail-to-Rail Outputs,
Ground-Sensing Inputs
For +5V single-supply operation, the input common-
mode range extends from (VEE - 200mV) to (VCC
- 2.25V) with excellent common-mode rejection.
Beyond this range, the amplifier output is a nonlinear
function of the input, but does not undergo phase
reversal or latchup.
For ±5V dual-supply operation, the common-mode
range is from VEE to (VCC - 2.25V)
For +5V single-supply operation the output swings to
within 50mV of either power-supply rail with a 2k
load. The input ground sensing and the rail-to-rail out-
put substantially increase the dynamic range. With a
symmetric input in a single +5V application, the input
can swing 2.95Vp-p and the output can swing 4.9Vp-p
with minimal distortion.
Low-Power Disable Mode
The disable feature (DISABLE_) allows the amplifier to
be placed in a low-power, high-output-impedance
state. When the disable pin (DISABLE_) is active, the
amplifier’s output impedance is 35k
. This high resis-
tance and the low 2pF output capacitance make the
MAX4380–MAX4382 and the MAX4384 ideal in
RF/video multiplexer or switch applications. For larger
arrays, pay careful attention to capacitive loading.
Refer to the Output Capacitive Loading and Stability
section.
IN
RG
VOUT = -(RF / RG) VIN
RF
VOUT
MAX438 _
Figure 1b. Inverting Gain Configuration
IN
RG
VOUT = [1+ (RF / RG)] VIN
RF
VOUT
MAX438 _
Figure 1a. Noninverting Gain Configuration
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4384EUP+ | 功能描述:高速運(yùn)算放大器 210MHz Single-Supply w/Rail-Rail Out 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 |
| MAX4384EUP+T | 功能描述:高速運(yùn)算放大器 210MHz Single-Supply w/Rail-Rail Out 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 |
| MAX4384EUP-T | 功能描述:高速運(yùn)算放大器 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 |
| MAX4385EEUK | 制造商:Maxim Integrated Products 功能描述:LOW-COST 230MHZ SINGLE/QUAD OP AM - Cut Tape Product 制造商:Rochester Electronics LLC 功能描述: |
| MAX4385EEUK+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL VOLT FDBK R-R O/P 5.5V 5PIN SOT-23 - Rail/Tube |
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