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參數資料
| 型號： | MAX4081FASA+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP CURRENT SENSE 8-SOIC |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 100 |
| 放大器類型： | 電流檢測 |
| 電路數： | 1 |
| 增益帶寬積： | 150kHz |
| 電流 - 輸入偏壓： | 5µA |
| 電壓 - 輸入偏移： | 100µV |
| 電流 - 電源： | 103µA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 76 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 8-SOIC |
| 包裝： | 管件 |
| 產品目錄頁面： | 1387 (CN2011-ZH PDF) |
AVAILABLE
EVALUATION KIT AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX4080/MAX4081 are high-side, current-sense
amplifiers with an input voltage range that extends from
4.5V to 76V making them ideal for telecom, automotive,
backplane, and other systems where high-voltage cur-
rent monitoring is critical. The MAX4080 is designed for
unidirectional current-sense applications and the
MAX4081 allows bidirectional current sensing. The
MAX4081 single output pin continuously monitors the
transition from charge to discharge and avoids the
need for a separate polarity output. The MAX4081
requires an external reference to set the zero-current
output level (VSENSE = 0V). The charging current is rep-
resented by an output voltage from VREF to VCC, while
discharge current is given from VREF to GND.
For maximum versatility, the 76V input voltage range
applies independently to both supply voltage (VCC)
and common-mode input voltage (VRS+). High-side
current monitoring does not interfere with the ground
path of the load being measured, making the
MAX4080/MAX4081 particularly useful in a wide range
of high-voltage systems.
The combination of three gain versions (5V/V, 20V/V,
60V/V = F, T, S suffix) and a user-selectable, external
sense resistor sets the full-scale current reading and its
proportional output voltage. The MAX4080/MAX4081
offer a high level of integration, resulting in a simple,
accurate, and compact current-sense solution.
The MAX4080/MAX4081 operate from a 4.5V to 76V sin-
gle supply and draw only 75A of supply current. These
devices are specified over the automotive operating
temperature range (-40°C to +125°C) and are available
in a space-saving 8-pin MAX or SO package.
Applications
Automotive (12V, 24V, or 42V Batteries)
48V Telecom and Backplane Current
Measurement
Bidirectional Motor Control
Power-Management Systems
Avalanche Photodiode and PIN-Diode Current
Monitoring
General System/Board-Level Current Sensing
Precision High-Voltage Current Sources
Features
o Wide 4.5V to 76V Input Common-Mode Range
o Bidirectional or Unidirectional ISENSE
o Low-Cost, Compact, Current-Sense Solution
o Three Gain Versions Available
5V/V (MAX4080F/MAX4081F)
20V/V (MAX4080T/MAX4081T)
60V/V (MAX4080S/MAX4081S)
o ±0.1% Full-Scale Accuracy
o Low 100V Input Offset Voltage
o Independent Operating Supply Voltage
o 75A Supply Current (MAX4080)
o Reference Input for Bidirectional OUT (MAX4081)
o Available in a Space-Saving, 8-Pin MAX Package
76V, High-Side, Current-Sense Amplifiers with
Voltage Output
N.C.
OUT
GND
1
+
2
8
7
RS-
N.C.
VCC
N.C.
RS+
MAX/SO
TOP VIEW
3
4
6
5
MAX4080
REF1B
OUT
GND
1
2
8
7
RS-
REF1A
VCC
N.C.
RS+
MAX/SO
3
4
6
5
MAX4081
+
Pin Configurations
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX4080FAUA+
-40
°C to +125°C
8 MAX
MAX4080FAUA/V+
-40
°C to +125°C
8 MAX
MAX4080FASA+
-40
°C to +125°C
8 SO
MAX4080TAUA+
-40
°C to +125°C
8 MAX
MAX4080TAUA/V+
-40
°C to +125°C
8 MAX
MAX4080TASA+
-40
°C to +125°C
8 SO
MAX4080SAUA+
-40
°C to +125°C
8 MAX
MAX4080SAUA/V+
-40
°C to +125°C
8 MAX
MAX4080SASA+
-40
°C to +125°C
8 SO
Selector Guide appears at end of data sheet.
Ordering Information continued at end of data sheet.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
MAX is a registered trademark of Maxim Integrated Products, Inc.
Ordering Information
19-2562; Rev 4; 7/11
MAX4080/MAX4081
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX4081FASA+ | 功能描述:電流靈敏放大器 76V High-Side Crnt Sense Amp w/V Out RoHS:否 制造商:Texas Instruments 通道數量: 共模抑制比（最小值）:110 dB 輸入補償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4081FASA+T | 功能描述:電流靈敏放大器 76V High-Side Crnt Sense Amp w/V Out RoHS:否 制造商:Texas Instruments 通道數量: 共模抑制比（最小值）:110 dB 輸入補償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4081FASA-T | 功能描述:電流靈敏放大器 76V High-Side Crnt Sense Amp w/V Out RoHS:否 制造商:Texas Instruments 通道數量: 共模抑制比（最小值）:110 dB 輸入補償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4081FAUA | 功能描述:電流靈敏放大器 76V High-Side Crnt Sense Amp w/V Out RoHS:否 制造商:Texas Instruments 通道數量: 共模抑制比（最小值）:110 dB 輸入補償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4081FAUA+ | 功能描述:電流靈敏放大器 76V High-Side Crnt Sense Amp w/V Out RoHS:否 制造商:Texas Instruments 通道數量: 共模抑制比（最小值）:110 dB 輸入補償電壓:80 uV 電源電壓-最大:5.5 V 電源電壓-最小:2.7 V 電源電流:350 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
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