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| 型号： | MAX9614AXT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP GP RR 2.8MHZ LP SC70-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 放大器类型： | 通用 |
| 电路数： | 1 |
| 输出类型： | 满摆幅 |
| 转换速率： | 1.3 V/µs |
| 增益带宽积： | 2.8MHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 17µV |
| 电流 - 电源： | 170µA |
| 电流 - 输出 / 通道： | 275mA |
| 电压 - 电源，单路/双路(±)： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-TSSOP，SC-88，SOT-363 |
| 供应商设备封装： | SC-70-6 |
| 包装： | 标准包装 |
| 其它名称： | MAX9614AXT+TDKR |
8 ______________________________________________________________________________________
MAX9614/MAX9616
Low-Power Single/Dual, Rail-to-Rail Op Amps
Detailed Description
The MAX9614/MAX9616 are low-power op amps ideal
for signal processing applications due to the devices’
high precision and CMOS inputs.
The MAX9614 also features a low-power shutdown mode
that greatly reduces quiescent current while the device
is not operational.
The MAX9614/MAX9616 self-calibrate on power-up to elim-
inate effects of temperature and power-supply variation.
RF Immunity
The MAX9614/MAX9616 feature robust internal EMI filters
that reduce the devices’ susceptibility to high-frequency
RF signals such as from wireless and mobile devices.
This, combined with excellent DC and AC specifications,
makes these devices ideal for a wide variety of portable
audio and sensitive signal-conditioning applications.
Applications Information
Power-Up Autotrim
The MAX9614/MAX9616 feature an automatic power-up
autotrim that self-calibrates the VOS of these devices
to less than 100FV of input offset voltage. The autotrim
sequence takes approximately 10ms to complete, and is
triggered by an internal power-on reset (POR) circuitry.
During this time, the inputs and outputs are put into high
impedance and left unconnected. This self-calibration
feature allows the device to eliminate input offset voltage
effects due to power supply and operating temperature
variation simply by cycling its power.
Take care to ensure that the power supply settles within
0.4ms of power-up after it crosses a POR threshold of
0.5V to ensure that a stable power supply is present
when it steps through its autotrim sequence. If the power
supply glitches below the 0.5V threshold, the POR cir-
cuitry reactivates during next power-up.
Shutdown Operation
The MAX9614 features an active-low shutdown mode
that puts both inputs and outputs into a high-impedance
state. In this mode, the quiescent current is less than
1FA. Putting the output in high-impedance allows mul-
tiple signal outputs to be multiplexed onto a single output
line without the additional external buffers. The device
does not self-calibrate when exiting shutdown mode,
and retains its power-up trim settings. The device also
instantly recovers from shutdown.
The shutdown logic levels of the device are independent
of supply allowing the shutdown to operate by either a
1.8V or 3.3V microcontroller.
Interfacing with the MAX11613
The MAX9616 dual amplifier’s low power and tiny size
is ideal for driving multichannel analog-to-digital con-
verters (ADCs) such as the MAX11613 (see the Typical
Application Circuit). The MAX11613 is a low-power,
12-bit I2C ADC that measures either four single-ended
or two differential channels in an 8-pin FMAX pack-
age. Operating from a single 3V or 3.3V supply, the
MAX11613 draws a low 380FA supply current when sam-
pling at 10ksps.The MAX11613 family also offers pin-
compatible 5V ADCs (MAX11612) and 8-bit (MAX11601)
and 10-bit (MAX11607) options.
The MAX9614/MAX9616’s output voltage low is
designed to be especially close to ground—it is only
11mV above ground, allowing maximum dynamic
range in single-supply applications. High output cur-
rent and capacitance drive capability of the part help
it to be useful in ADC driver and line-driver.
Figure 1. Autotrim Timing Diagram
MAX is a registered trademark of Maxim Integrated Products, Inc.
CALIBRATED
AMPLIFIER
ACTIVE
0.4
ms
10ms
0V
2V
0V
0.5V
VCC
VOUT*
5V
TIME FOR POWER SUPPLY
TO SETTLE
AMPLIFIER AUTOTRIM
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9615AXA+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX9615AXA+T | 功能描述:运算放大器 - 运放 Single 3MHz Op Amp 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 |
| MAX9616AXA+ | 制造商:Maxim Integrated Products 功能描述:LOW-POWER SINGLE/DUAL RAIL-TO-RAIL I/O OP AMPS - Rail/Tube |
| MAX9616AXA+T | 功能描述:运算放大器 - 运放 Dual 3MHz Op Amp 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 |
| MAX9616EVKIT+ | 功能描述:放大器 IC 开发工具 Op Amp RoHS:否 制造商:International Rectifier 产品:Demonstration Boards 类型:Power Amplifiers 工具用于评估:IR4302 工作电源电压:13 V to 23 V |
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