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參數(shù)資料
| 型號(hào)： | MAX4378FAUD |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP QUAD GAIN +50V/V 14-TSSOP |
| 其它有關(guān)文件： | Automotive Product Guide |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 放大器類型： | 電流檢測(cè) |
| 電路數(shù)： | 4 |
| 轉(zhuǎn)換速率： | 10 V/µs |
| -3db帶寬： | 1.7MHz |
| 電流 - 輸入偏壓： | 800µA |
| 電流 - 電源： | 1mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 28 V |
| 工作溫度： | -40°C ~ 125°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 管件 |
19-1781; Rev 7; 10/12
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
MAX4376/MAX4377/
MAX4378
Single/Dual/Quad, High-Side Current-Sense
Amplifiers with Internal Gain
GND
OUT
RS+
VCC
1
5
RS-
MAX4376
2
34
TOP VIEW
SOT23
+
General Description
The MAX4376/MAX4377/MAX4378 single, dual, and
quad precision high-side current-sense amplifiers are
available in space-saving packages. They feature
buffered voltage outputs that eliminate the need for
gain-setting resistors and are ideal for today’s notebook
computers, cell phones, and other systems where cur-
rent monitoring is critical. These precision devices are
offered in three fixed-gain versions of 20, 50, and 100:
GAIN
SUFFIX
20
T
50
F
100
H
For example, MAX4376TAUK is a single high-side
amplifier with a gain of 20.
High-side current monitoring is especially useful in bat-
tery-powered systems since it does not interfere with
the ground path of the battery charger. The input com-
mon-mode range of 0 to +28V is independent of the
supply voltage and ensures that the current-sense
feedback remains viable even when connected to a
battery pack in deep discharge.
The full-scale current reading can be set by choosing
the appropriate voltage gain and external-sense resis-
tor. This capability offers a high level of integration and
flexibility, resulting in a simple and compact current-
sense solution.
The MAX4376/MAX4377/MAX4378 operate over a sup-
ply voltage range of +3V to +28V, draw 1mA of supply
current per amplifier, and operate over the full automo-
tive temperature range of -40
°C to +125°C. These
devices have a wide bandwidth of 2MHz, making them
suitable for use inside battery-charger control loops.
The buffered outputs drive up to 2mA of output current
into a ground-referenced load.
The MAX4376 is available in a tiny 5-pin SOT23 pack-
age. The MAX4377/MAX4378 are available in space-
saving 8-pin MAX and 14-pin TSSOP packages,
respectively.
Applications
Features
o Low-Cost, Single/Dual/Quad, High-Side Current-
Sense Amplifiers
o ±0.5% Typical Full-Scale Accuracy
o +3V to +28V Supply Operation
o Adjustable Current-Sense Capability with External
Sense Resistor
o Buffered Output Voltage with 2mA Drive
o 1mA (typ) Supply Current
o 2.0MHz Bandwidth (Gain = +20V/V)
o Automotive Temperature Range (-40°C to +125°C)
o High Accuracy +2V to +28V Common-Mode
Range, Functional Down to 0V, Independent of
Supply Voltage
o Three Gain Versions Available
+20V/V (MAX437_T)
+50V/V (MAX437_F)
+100V/V (MAX437_H)
o Available in Space-Saving 5-Pin SOT23 (Single),
8-Pin MAX (Dual), and 14-Pin TSSOP (Quad)
Pin Configurations continued at end of data sheet.
MAX is a registered trademark of Maxim Integrated Products, Inc.
Ordering Information
Notebook Computers
Current-Limited Power
Supplies
Fuel Gauges in PC
General-System/Board-
Level Current Monitoring
Battery Chargers
Portable/Battery-Powered
Systems
Cell Phones
Smart Battery Packages
Automotive Current Detect
Power Management
Systems
PA Bias Control
Pin Configurations
PART
GAIN
(+V/V)
TEMP
RANGE
PIN-
PACKAGE
TOP
MARK
MAX4376TAUK+T
20
-40
°C to +125°C
5 SOT23
ADOG
MAX4376TAUK/V+T
20
-40
°C to +125°C
5 SOT23
—
MAX4376FAUK+T
50
-40
°C to +125°C
5 SOT23
ADOH
MAX4376HAUK+T
100
-40
°C to +125°C
5 SOT23
ADOI
MAX4376HAUK/V+T
100
-40
°C to +125°C
5 SOT23
AFGO
MAX4376TASA+
20
-40
°C to +125°C8 SO
—
MAX4376FASA+
50
-40
°C to +125°C8 SO
—
MAX4376HASA+
100
-40
°C to +125°C8 SO
—
Ordering Information continued at end of data sheet.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
T = Tape and reel.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4378FAUD+ | 功能描述:電流靈敏放大器 High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4378FAUD+T | 功能描述:電流靈敏放大器 High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4378FAUD-T | 功能描述:電流靈敏放大器 High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
| MAX4378HASD | 功能描述:特殊用途放大器 RoHS:否 制造商:Texas Instruments 通道數(shù)量:Single 共模抑制比（最小值）: 輸入補(bǔ)償電壓: 工作電源電壓:3 V to 5.5 V 電源電流:5 mA 最大功率耗散: 最大工作溫度:+ 70 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-20 封裝:Reel |
| MAX4378HASD+ | 功能描述:電流靈敏放大器 High-Side Current-Sense Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量: 共模抑制比（最小值）:110 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-16 封裝:Reel |
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