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| 型号： | MAX44265EWT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC AMP OP R-R 200KHZ 6WLP |
| 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： | 通用 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.1 V/µs |
| 增益带宽积： | 200kHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 4µA |
| 电流 - 输出 / 通道： | 15mA |
| 电压 - 电源，单路/双路(±)： | 1.8 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WFBGA，WLPBGA |
| 供应商设备封装： | 6-WLP |
| 包装： | 带卷 (TR) |
MAX44265
Rail-to-Rail, 200kHz Op Amp
with Shutdown in a Tiny, 6-Bump WLP
10
______________________________________________________________________________________
Detailed Description
Featuring a maximized ratio of GBW to supply current,
low operating supply voltage, low input bias current,
and rail-to-rail inputs and outputs, the MAX44265 is an
excellent choice for precision or general-purpose, low-
current, low-voltage, battery-powered applications. This
CMOS device consumes an ultra-low 4A (typ) supply
current and has a 200V (typ) offset voltage. For addi-
tional power conservation, the IC features a low-power
shutdown mode that reduces supply current to 1nA
(typ) and puts the amplifier’s output in a high-imped-
ance state. This device is unity-gain stable with a
200kHz GBW product, driving capacitive loads up to
30pF. The capacitive load can be increased to 250pF
when the amplifier is configured for a 10V/V gain.
Rail-to-Rail Inputs and Outputs
The IC has a parallel-connected n- and p-channel dif-
ferential input stage that allows an input common-mode
voltage range that extends 100mV beyond the positive
and negative supply rails, with excellent common-mode
rejection. The IC is capable of driving the output to
within 5mV of both supply rails with a 100k load. This
device can drive a 5k load with swings to within 60mV
of the rails. Figure 1 shows the output voltage swing of
the IC configured as a unity-gain buffer powered from a
single 3V supply.
Low Input Bias Current
The IC features ultra-low 1pA (typ) input bias current.
The variation in the input bias current is minimal with
changes in the input voltage due to very high input
impedance (in the order of 1G).
Applications Information
Driving Capacitive Loads
The IC’s amplifier is unity-gain stable for loads up to
30pF. However, the capacitive load can be increased
to 250pF when the amplifier is configured for a mini-
mum gain of 10V/V. Applications that require greater
capacitive-drive capability should use an isolation
resistor between the output and the capacitive load
(Figure 2). Also, in unity-gain applications with relatively
small RL (approximately 5k), the capacitive load can
be increased up to 200pF.
Figure 1. Rail-to-Rail Output Voltage Range
RAIL-TO-RAIL OUTPUT VOLTAGE RANGE
200s/div
IN_
3V
0V
1V/div
OUT_
1V/div
Figure 2. Using a Resistor to Isolate a Capacitive Load from
the Op Amp
MAX44265
RISO
CL
RL
AV =
≈ 1V/V
RL
RL + RISO
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX44268EVKIT# | 功能描述:其他开发工具 MAX44268 Eval Kit RoHS:否 制造商:Parallax 产品:ELEV-8 Hex Upgrade Kits 类型:Robotics 工具用于评估:ELEV-8 Quadcopter 工作电源电压: |
| MAX44268EWL+ | 制造商:Maxim Integrated Products 功能描述:DUAL COMPARATORS IN 0.4MM-PITCH WLP - Rail/Tube |
| MAX44268EWL+T | 功能描述:校验器 IC Dual Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
| MAX44269EWL+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX44269EWL+T | 功能描述:校验器 IC Dual Comparator RoHS:否 制造商:STMicroelectronics 产品: 比较器类型: 通道数量: 输出类型:Push-Pull 电源电压-最大:5.5 V 电源电压-最小:1.1 V 补偿电压（最大值）:6 mV 电源电流（最大值）:1350 nA 响应时间: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SC-70-5 封装:Reel |
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