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参数资料
| 型号： | MAX9934TEVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/19页 |
| 文件大小： | 0K |
| 描述： | KIT EVAL FOR MAX9934T |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 每 IC 通道数： | 1 - 单 |
| 放大器类型： | 电流检测 |
| 输出类型： | 单端 |
| -3db带宽： | 1.5kHz |
| 工作温度： | -40°C ~ 125°C |
| 电流供应（主 IC）： | 120µA |
| 电压 - 电源，单路/双路(±)： | 2.5 V ~ 3.6 V |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX9934 |
MAX9934
High-Precision, Low-Voltage, Current-Sense Amplifier
with Current Output and Chip Select for Multiplexing
13
Maxim Integrated
In Figure 5, VOUT is equal to VBIAS when the sum of all
outputs is zero. For positive input-sense voltages, the
MAX9934 sources current causing its output voltage to
rise above VBIAS. For negative input-sense voltages,
the MAX9934 sinks current causing its output voltage to
be lower than VBIAS, thus allowing bidirectional current
sensing.
Since the ADC reference voltage, VREF, determines the
full-scale reading, a common choice for VBIAS is
VREF/2. The current output makes it possible to use a
simple resistor-divider from VREF to GND to generate
VBIAS. The output resistance for gain calculation is the
parallel combination of the two resistors. For example, if
two equal value resistors, R, are used to generate a
VBIAS = VREF/2, the output termination resistance for
gain calculation is ROUT = R/2. See Figure 5.
VCC = 3.3V
RSENSE
-0.1V
≤ VCM ≤ 5.5V
RSENSE
-0.1V
≤ VCM ≤ 5.5V
RSENSE
-0.1V
≤ VCM ≤ 5.5V
MAX9934
R
10k
ADC
VREF
CS2
CS1
MICROCONTROLLER
CS
TO EXTERNAL
REFERENCE
VOLTAGE
10k
R
CS3
(OPTIONAL)
VIN1
VIN2
VIN3
ILOAD3
ILOAD2
ILOAD1
VOUT
OUT3
OUT2
OUT1
ROUT =
R
2
Figure 5. Bidirectional Multiplexed Operation
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX9934TEVKIT+ | 功能描述:放大器 IC 开发工具 MAX9934T Kit 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 |
| MAX9935FAUA+ | 制造商:Maxim Integrated Products 功能描述:40UV 5V ISENSE-CHOPPER - Rail/Tube |
| MAX9935TAUA+ | 制造商:Maxim Integrated Products 功能描述:40UV 5V ISENSE-CHOPPER - Rail/Tube |
| MAX9937AXK+ | 制造商:Maxim Integrated Products 功能描述:AUTOMOTIVE CURRENT-SENSE AMPLIFIER WITH REVERSE-BATTERY PROT - Rail/Tube |
| MAX9937AXK+T | 功能描述:电流灵敏放大器 Current-Sense Amplifier 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 |
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