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参数资料
| 型号： | MAX4268EEE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/19页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP W/ENABLE 16-QSOP |
| 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： | 电压反馈 |
| 电路数： | 2 |
| 转换速率： | 900 V/µs |
| 增益带宽积： | 300MHz |
| -3db带宽： | 300MHz |
| 电流 - 输入偏压： | 3.5µA |
| 电压 - 输入偏移： | 1000µV |
| 电流 - 电源： | 28mA |
| 电流 - 输出 / 通道： | 45mA |
| 电压 - 电源，单路/双路(±)： | 4.5 V ~ 8 V，±2.25 V ~ 4 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
MAX4265–MAX4270
Ultra-Low-Distortion, +5V,
400MHz Op Amps with Disable
12
______________________________________________________________________________________
Pin Description
Detailed Description
The MAX4265–MAX4270 family of operational ampli-
fiers features ultra-low distortion and wide bandwidth.
Their low distortion and low noise make them ideal for
driving high-speed ADCs up to 16 bits in telecommuni-
cations applications and high-performance signal pro-
cessing.
These devices can drive a 100 load and deliver 45mA
while maintaining DC accuracy and AC performance.
The input common-mode voltage ranges from (VEE +
1.6V) to (VCC - 1.6V), while the output typically swings
to within 1.1V of the rails.
Low Distortion
The MAX4265–MAX4270 use proprietary bipolar tech-
nology to achieve minimum distortion in low-voltage
systems. This feature is typically available only in dual-
supply op amps.
Several factors can affect the noise and distortion that a
device contributes to the input signal. The following
guidelines explain how various design choices impact
the total harmonic distortion (THD):
Choose the proper feedback-resistor and gain-resis-
tor values for the application. In general, the smaller
the closed-loop gain, the smaller the THD generated,
especially when driving heavy resistive loads. Large-
value feedback resistors can significantly improve
distortion. The MAX4265–MAX4270’s THD normally
increases at approximately 20dB per decade at fre-
quencies above 1MHz; this is a lower rate than that of
comparable dual-supply op amps.
Operating the device near or above the full-power
bandwidth significantly degrades distortion (see the
Total Harmonic Distortion vs. Frequency graph in the
Typical Operating Characteristics).
The decompensated devices (MAX4266/MAX4267/
MAX4269/MAX4270) deliver the best distortion per-
formance since they have a slightly higher slew rate
and provide a higher amount of loop gain for a given
closed-loop gain setting.
PIN
MAX4265
MAX4266
MAX4267
NAME
MAX4268
MAX4269
MAX4270
Disable Input. Active low.
Inverting Input
Noninverting Input
Negative Power Supply
Amplifier Output
Positive Power Supply. Connect to a +4.5V to +8.0V supply.
No Connection. Not internally connected.
1, 10
15, 16
8, 9, 13, 14
—
3, 12
6, 7
—
2, 11
—
4, 5
—
OUTA, OUTB
1, 8
—
VCC
13, 14
7, 8
N.C.
11, 12
—
IN+
—
3
INA+, INB+
3, 10
—
VEE
6, 7
4, 5
OUT
—
6
INA-, INB-
2, 9
—
IN-
—
2
8 MAX/SO
DISABLEA, DISABLEB
4, 5
—
DISABLE
—
1
14 SO
FUNCTION
Disable Input. Active low.
16 QSOP
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4268ESD | 功能描述:高速运算放大器 Single-Supply 300MHz w/Enable 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 |
| MAX4268ESD+ | 功能描述:高速运算放大器 Single-Supply 300MHz w/Enable 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 |
| MAX4268ESD+T | 功能描述:高速运算放大器 Single-Supply 300MHz w/Enable 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 |
| MAX4268ESD-T | 功能描述:高速运算放大器 Single-Supply 300MHz w/Enable 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 |
| MAX4269EEE | 功能描述:高速运算放大器 Single-Supply 350MHz w/Enable 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 |
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