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| 型号： | MAX9917EUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC OP AMP R-R I/O 10-UMAX |
| 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： | 2 |
| 输出类型： | 满摆幅 |
| 转换速率： | 0.5 V/µs |
| 增益带宽积： | 1MHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 200µV |
| 电流 - 电源： | 40µA |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 带卷 (TR) |
MAX9914–MAX9917
1MHz, 20A, Rail-to-Rail
I/O Op Amps with Shutdown
10
Maxim Integrated
Power-Supply Considerations
The MAX9914–MAX9917 are optimized for single 1.8V
to 5.5V supply operation. A high amplifier power-supply
rejection ratio of 85dB (typ) allows the devices to be
powered directly from a battery, simplifying design and
extending battery life.
Power-Up Settling Time
The MAX9914–MAX9917 typically require 2s after
power-up. Supply settling time depends on the supply
voltage, the value of the bypass capacitor, the output
impedance of the incoming supply, and any lead resis-
tance or inductance between components. Op amp
settling time depends primarily on the output voltage
and is slew-rate limited. Figure 3 shows the MAX991_ in
a noninverting voltage follower configuration with the
input held at midsupply. The output settles in approxi-
mately 3.5s for VDD = 3V (see the Typical Operating
Characteristics for the Power-Up Settling Time graph).
Shutdown Mode
The MAX9915 and MAX9917 feature active-low shut-
down inputs. The MAX9915 and MAX9917 enter shut-
down in 2s (typ) and exit shutdown in 10s (typ). The
amplifiers’ outputs are high impedance in shutdown
mode. Drive SHDN low to enter shutdown. Drive SHDN
high to enable the amplifier. The MAX9917 dual amplifi-
er features separate shutdown inputs. Shut down both
amplifiers for lowest quiescent current.
Power-Supply Bypassing and Layout
Bypass VDD with a 0.1F capacitor to ground as close
to the pin as possible to minimize noise.
Good layout techniques optimize performance by
decreasing the amount of stray capacitance and induc-
tance to the op amp’s inputs and outputs. Minimize
stray capacitance and inductance, by placing external
components close to the IC.
Figure 1. Rail-to-Rail Output Voltage Range
RAIL-TO-RAIL OUTPUT VOLTAGE RANGE
200
μs/div
3V
0V
3V
0V
IN_
1V/div
OUT_
1V/div
VDD = 3V
Figure 2. Using a Resistor to Isolate a Capacitive Load from
the Op Amp
MAX9914–
MAX9917
RISO
CL
RL
AV =
≈ 1V/V
RL
RL + RISO
Figure 3. Power-Up Test Configuration
MAX991_
100k
Ω
100k
Ω
OUT
IN-
IN+
0V
5.5V
VDD
VSS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9918ASA/V+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX9918ASA+ | 功能描述:电流灵敏放大器 (-20V to +75V) CMR iSense RoHS:否 制造商:Texas Instruments 通道数量: 共模抑制比（最小值）:110 dB 输入补偿电压:80 uV 电源电压-最大:5.5 V 电源电压-最小:2.7 V 电源电流:350 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-16 封装:Reel |
| MAX9918ASA+T | 功能描述:电流灵敏放大器 (-20V to +75V) CMR iSense RoHS:否 制造商:Texas Instruments 通道数量: 共模抑制比（最小值）:110 dB 输入补偿电压:80 uV 电源电压-最大:5.5 V 电源电压-最小:2.7 V 电源电流:350 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-16 封装:Reel |
| MAX9918EVKIT+ | 功能描述:特殊用途放大器 MAXIM EVALUATION KIT RoHS:否 制造商:Texas Instruments 通道数量:Single 共模抑制比（最小值）: 输入补偿电压: 工作电源电压:3 V to 5.5 V 电源电流:5 mA 最大功率耗散: 最大工作温度:+ 70 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:QFN-20 封装:Reel |
| MAX9919FASA/V+ | 制造商:Maxim Integrated Products 功能描述:-20V TO +75V INPUT RANGE, PRECISION UNI-/BIDIRECTIONAL, CURR - Rail/Tube |
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