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| 型号： | MAX9922EUB+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/15页 |
| 文件大小： | 0K |
| 描述： | IC AMP CURRENT SENSE 10-MSOP |
| 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： | 电流检测 |
| 电路数： | 1 |
| 转换速率： | 0.4 V/µs |
| -3db带宽： | 10kHz |
| 电流 - 输入偏压： | 1pA |
| 电压 - 输入偏移： | 0.1µV |
| 电流 - 电源： | 780µA |
| 电压 - 电源，单路/双路(±)： | 2.85 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) |
General Description
The MAX9922/MAX9923 ultra-precision, high-side cur-
rent-sense amplifiers feature ultra-low offset voltage
(VOS) of 25V (max) and laser-trimmed gain accuracy
better than 0.5%. The combination of low VOS and high-
gain accuracy allows precise current measurements
even at very small sense voltages.
The MAX9922/MAX9923 are capable of both unidirec-
tional and bidirectional operation. For unidirectional
operation, connect REF to GND. For bidirectional oper-
ation, connect REF to VDD/2.
The MAX9922 has adjustable gain set with two external
resistors. The MAX9923T/MAX9923H/MAX9923F use an
internal laser-trimmed resistor for fixed gain of 25V/V,
100V/V, and 250V/V, respectively. The devices operate
from a +2.85V to +5.5V single supply, independent
of the input common-mode voltage, and draw only 700A
operating supply current and less than 1A in shutdown.
The +1.9V to +28V current-sense input common-mode
voltage range makes the MAX9922/MAX9923 ideal for
current monitoring in applications where high accuracy,
large common-mode measurement range, and mini-
mum full-scale VSENSE voltage is critical.
The MAX9922/MAX9923 use a spread-spectrum
autozeroing technique that constantly measures and
cancels the input offset voltage, eliminating drift over
time and temperature, and the effect of 1/f noise. This,
in conjunction with the indirect current-feedback tech-
nique, achieves less than 25V (max) offset voltage.
The MAX9922/MAX9923 are available in a small 10-pin
MAX package and are specified over the -40°C to
+85°C extended temperature range.
Applications
Notebook/Desktop Power Management
Handheld Li+ Battery Current Monitoring
Precision Current Sources
Features
Ultra-Precision VOS Over Temperature
MAX9922: ±10V (max)
MAX9923T: ±25V (max)
MAX9923H: ±20V (max)
MAX9923F: ±10V (max)
±0.5% (max) Full-Scale Gain Accuracy
Bidirectional or Unidirectional ISENSE
Multiple Gains Available
Adjustable (MAX9922)
+25V/V (MAX9923T)
+100V/V (MAX9923H)
+250V/V (MAX9923F)
1.9V to 28V Input Common-Mode Voltage,
Independent of VDD
Supply Voltage: +2.85V to +5.5V
700A Supply Current, 1A Shutdown Current
Extended Temperature Range (-40°C to +85°C)
Available in Space-Saving 10-Pin MAX
MAX9922/MAX9923
Ultra-Precision, High-Side
Current-Sense Amplifiers
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-4429; Rev 1; 1/10
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
EVALUATION
KIT
AVAILABLE
PART
PIN-
PACKAGE
TEMP
RANGE
GAIN (V/V)
MAX9922EUB+
10 MAX
-40°C to +85°C
Adjustable
MAX9923TEUB+
10 MAX
-40°C to +85°C
25
MAX9923HEUB+
10 MAX
-40°C to +85°C
100
MAX9923FEUB+
10 MAX
-40°C to +85°C
250
Pin Configuration
1
2
3
4
5
10
9
8
7
6
VDD
OUT
FB
REF
N.C.
RS-
RS+
RSB
MAX9922
MAX9923T
MAX9923H
MAX9923F
MAX
TOP VIEW
GND
SHDN
+
Typical Operating Circuits appear at end of data sheet.
MAX is a registered trademark of Maxim Integrated Products, Inc.
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相关代理商/技术参数 |
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| MAX9922EVKIT+ | 功能描述:放大器 IC 开发工具 MAX9922/23 Eval 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 |
| MAX9923FABT+T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX9923FAUB+ | 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 |
| MAX9923FEUB+ | 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 |
| MAX9923FEUB+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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