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參數(shù)資料
| 型號： | MAX9929FABT+T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 運算放大器 |
| 英文描述： | -0.1V to +28V Input Range, Micropower, Uni-/Bidirectional, Current-Sense Amplifiers; Package: UCSP, 6 pin ; Temperature Range: -40°C to +125°C |
| 中文描述： | OP-AMP, 3000 uV OFFSET-MAX, PBGA6 |
| 封裝： | 1 X 1.50 MM, ROHS COMPLIANT, UCSP-6 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 247K |
| 代理商： | MAX9929FABT+T |
General Description
The MAX9928/MAX9929 low-cost, uni-/bidirectional,
high-side, current-sense amplifiers are ideal for moni-
toring battery charge and discharge currents in note-
books, cell phones, and other portable equipment.
These devices feature a wide -0.1V to +28V input com-
mon-mode voltage range, low 20A supply current with
VOS less than 0.4mV, and a gain accuracy better than
1.0%. The input common-mode range is independent
of the supply voltage, ensuring that the current-sense
information remains accurate even when the measure-
ment rail is shorted to ground.
The MAX9928F features a current output with a transcon-
ductance ratio of 5A/mV. An external resistor converts
the output current to a voltage, allowing adjustable gain
so that the input sense voltage can be matched to the
maximum ADC input swing. The MAX9929F has a voltage
output and integrates a 10k
Ω output resistor for a fixed
voltage gain of 50V/V.
A digital SIGN output indicates direction of current flow,
so the user can utilize the full ADC input range for mea-
suring both charging and discharging currents.
The MAX9928/MAX9929 are fully specified over the -40°C
to +125°C automotive temperature range, and available
in 6-bump UCSP (1mm x 1.5mm) and 8-pin MAX
packages. The UCSP package is bump-to-bump com-
patible with the MAX4372_EBT.
Features
o Wide -0.1V to +28V Common-Mode Range,
Independent of Supply Voltage
o 2.5V to 5.5V Operating Supply Voltage
o 20A Quiescent Supply Current
o 0.4mV (max) Input Offset Voltage
o Gain Accuracy Better than 1% (max)
o SIGN Output Indicates Current Polarity
o Transconductance and Gain Versions Available
5A/mV (MAX9928F)
50V/V (MAX9929F)
o Pin Compatible with the MAX4372 in UCSP
o Available in Ultra-Small, 3x2 UCSP
(1mm x 1.5mm) and 8-Pin MAX Packages
Applications
Monitoring Charge/Discharge Currents in
Portable/Battery-Powered Systems
Notebook Computers
General-System/Board-Level Current Monitoring
Smart-Battery Packs/Chargers
Precision Current Sources
Smart Cell Phones
Super Capacitor Charge/Discharge
MAX9928/MAX9929
-0.1V to +28V Input Range, Micropower,
Uni-/Bidirectional, Current-Sense Amplifiers
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
19-4251; Rev 2; 4/11
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.
EVALUATION
KIT
AVAILABLE
Note: All devices are specified over the -40°C to +125°C operating temperature range.
+
Denotes a lead-free/RoHS-compliant package.
T = Tape and reel.
*The MAX9928FABT and the MAX9929FABT use Package Code R61A1+1 with backside coating to minimize die chipping.
PART
OUTPUT TYPE
GAIN
PIN-PACKAGE
TOP MARK
MAX9928FAUA+
Current
Gm = 5A/mV
8 MAX
—
MAX9928FABT+T*
Current
Gm = 5A/mV
3x2 UCSP
+AAF
MAX9929FAUA+
Voltage
AV = 50V/V
8 MAX
—
MAX9929FABT+T*
Voltage
AV = 50V/V
3x2 UCSP
+ADI
Pin Configurations and Typical Operating Circuit appear at
end of data sheet.
UCSP is a trademark and MAX is a registered trademark of
Maxim Integrated Products, Inc.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX9929FAUA+ | -0.1V to +28V Input Range, Micropower, Uni-/Bidirectional, Current-Sense Amplifiers; Package: uMAX, 8 pin ; Temperature Range: -40°C to +125°C |
| MAX9951FCCB-D | Dual Per-Pin Parametric Measurement Units |
| MAX9951FCCB-TD | Dual Per-Pin Parametric Measurement Units |
| MAX9952DCCB-D | Dual Per-Pin Parametric Measurement Units |
| MAX9952DCCB-TD | Dual Per-Pin Parametric Measurement Units |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9929FAUA+ | 功能描述:電流靈敏放大器 .1-28V uPower 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 |
| MAX9929FAUA+T | 功能描述:電流靈敏放大器 .1-28V uPower 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 |
| MAX9929TABS+TG45 | 制造商:Maxim Integrated Products 功能描述:0V TO 28V CMR ISENSE - Tape and Reel |
| MAX9929TAUA+T | 制造商:Maxim Integrated Products 功能描述:- Tape and Reel |
| MAX992EKA | 制造商:Maxim Integrated Products 功能描述:HIGH-SPEED MICROPOWER LOW-VOLTAGE - Cut Tape Product |
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