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参数资料
| 型号： | MAX4285EUT-T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC BUFF/AMP ADC 250MHZ SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 放大器类型： | 缓冲器 |
| 电路数： | 1 |
| 转换速率： | 385 V/µs |
| -3db带宽： | 220MHz |
| 电流 - 输入偏压： | 13µA |
| 电压 - 输入偏移： | 1500µV |
| 电流 - 电源： | 23mA |
| 电流 - 输出 / 通道： | 106mA |
| 电压 - 电源，单路/双路(±)： | 2.85 V ~ 6.5 V，±1.425 V ~ 3.25 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 供应商设备封装： | SOT-6 |
| 包装： | 带卷 (TR) |
MAX4285–MAX4288/MAX4387
/MAX4388
+3V/+5V, 250MHz, SOT23 ADC Buffer Amplifiers
with High-Speed Disable
______________________________________________________________________________________
11
Pin Description
14-PIN
SO
10-PIN
MAX
8-PIN
SO
6-PIN
SOT23-6
8-PIN
MAX/SO
Amplifier B Inverting Input
Amplifier B Noninverting Input
Amplifier B Output
12
11
13
8
7
9
—
6
INB-
—
5
INB+
—
7
OUTB
FUNCTION
Not Internally Connected. Connect to
ground or leave unconnected.
Amplifier Output
Negative Power Supply, or Ground in
Single-Supply Operation
Disable Amplifier A (active low)
Disable (active low)
Inverting Input
Noninverting Input
Amplifier A Noninverting Input
Amplifier A Inverting Input
Amplifier A Output
Positive Power Supply
Disable Amplifier B (active low)
5, 7, 8, 10
—
4
6
—
3
2
1
14
9
—
4
5
—
3
2
1
10
6
1, 5
6
4
—
8
2
3
—
7
—
NAME
—
N.C.
1
—
OUT
2
4
VEE
—
DISABLEA
5
—
DISABLE
4
—
IN-
3
—
IN+
—
3
INA+
—
2
INA-
—
1
OUTA
6
8
VCC
—
DISABLEB
Detailed Description
The MAX4285–MAX4288 and MAX4387/MAX4388 are
voltage-feedback op amps, intended for use as ADC
input buffers. They operate from a single +2.85V to
+6.5V supply or dual ±1.425V to ±3.25V supplies. Their
high output drive, wide bandwidth, fast settling, low
noise, and low distortion make them ideal for the brutal
task of meeting the dynamic input drive requirements of
high-speed ADCs or other demanding applications.
The MAX4285/MAX4286/MAX4288 and MAX4388 have
a high-speed disable mode that places the outputs in a
high-impedance state and lowers operating supply cur-
rent to 1mA. The enable time is typically 40ns, and the
disable time is typically 50ns. The MAX4285/MAX4286
have a single enable pin (DISABLE), and the MAX4288/
MAX4388 have dual disable pins (DISABLEA, DISA-
BLEB).
The MAX4285/MAX4287/MAX4288 are internally com-
pensated for unity-gain stability. The MAX4286/
MAX4387/MAX4388 are compensated for gains of
+5V/V or greater.
Applications Information
Inverting and Noninverting Configurations
Select the gain-setting feedback (RF) and input (RG)
resistor values considering the following criteria: large
resistor values increase voltage noise and interact with
the amplifier’s input and PC board capacitance to
effect system bandwidth. This generates undesirable
poles and zeros that decrease bandwidth or cause
oscillations.
PIN
MAX4285
MAX4286
MAX4287
MAX4387
MAX4288
MAX4388
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4286ESA | 功能描述:高速运算放大器 3V/5V 250MHz ADC Buffer Amp RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4286ESA+ | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4286ESA+T | 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比（最小值）:63 dB 输入补偿电压:1 mV 输入偏流（最大值）:10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel |
| MAX4286ESA-T | 功能描述:高速运算放大器 3V/5V 250MHz ADC Buffer Amp RoHS:否 制造商:Texas Instruments 通道数量:1 电压增益 dB:116 dB 输入补偿电压:0.5 mV 转换速度:55 V/us 工作电源电压:36 V 电源电流:7.5 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| MAX4286EUT | 制造商:Maxim Integrated Products 功能描述:+3V/+5V 250MHZ SOT23 ADC BUFFER A - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
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