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參數資料
| 型號： | MAX9938TEBS+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 1/14頁 |
| 文件大小： | 0K |
| 描述： | IC AMP CURRENT SENSE 4-UCSP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 放大器類型： | 電流檢測 |
| 電路數： | 1 |
| -3db帶寬： | 125kHz |
| 電壓 - 輸入偏移： | 100µV |
| 電流 - 電源： | 1.1µA |
| 電壓 - 電源，單路/雙路(±)： | 1.6 V ~ 28 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 4-WFBGA，CSPBGA |
| 供應商設備封裝： | 4-UCSP（1.05x1.05） |
| 包裝： | 帶卷 (TR) |
General Description
The MAX9938 high-side current-sense amplifier offers
precision accuracy specifications of VOS less than
500μV (max) and gain error less than 0.5% (max).
Quiescent supply current is an ultra-low 1μA. The
MAX9938 fits in a tiny, 1mm x 1mm UCSP package
size or a 5-pin SOT23 package, making the part ideal for
applications in notebook computers, cell phones, PDAs,
and all battery-operated portable devices where accura-
cy, low quiescent current, and small size are critical.
The MAX9938 features an input common-mode voltage
range from 1.6V to 28V. These current-sense amplifiers
have a voltage output and are offered in four gain versions:
25V/V (MAX9938T), 50V/V (MAX9938F), 100V/V
(MAX9938H), and 200V/V (MAX9938W).
The four gain selections offer flexibility in the choice of
the external current-sense resistor. The very low 500μV
(max) input offset voltage allows small 25mV to 50mV
full-scale VSENSE voltage for very low voltage drop at
full-current measurement.
The MAX9938 is offered in tiny 4-bump, UCSP (1mm x
1mm x 0.6mm footprint), 5-pin SOT23, and 6-pin μDFN
(2mm x 2mm x 0.8mm) packages specified for operation
over the -40°C to +85°C extended temperature range.
Applications
Cell Phones
PDAs
Power Management Systems
Portable/Battery-Powered Systems
Notebook Computers
Features
o Ultra-Low Supply Current of 1A (max)
o Low 500V (max) Input Offset Voltage
o Low < 0.5% (max) Gain Error
o Input Common Mode: +1.6V to +28V
o Voltage Output
o Four Gain Versions Available
25V/V (MAX9938T)
50V/V (MAX9938F)
100V/V (MAX9938H)
200V/V (MAX9938W)
o Tiny 1mm x 1mm x 0.6mm, 4-Bump UCSP,
5-Pin SOT23, or 2mm x 2mm x 0.8mm, 6-Pin
DFN Packages
MAX9938
1A, 4-Bump UCSP/SOT23,
Precision Current-Sense Amplifier
________________________________________________________________
Maxim Integrated Products
1
MAX9938T/F/H/W
54
13
2
RS+
RS-
GND
OUT
GND
SOT23
UCSP
TOP VIEW
(BUMPS ON BOTTOM)
B1
B2
A1
GND
RS+
OUT
RS-
A2
1
2
3
6
5
4
RS-
N.C.
RS+
MAX9938FELT
μDFN
TOP VIEW
(PADS ON BOTTOM)
OUT
N.C.
GND
DRAWINGS NOT TO SCALE
Pin Configurations
19-4110; Rev 6; 1/11
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
UCSP is a trademark of Maxim Integrated Products, Inc.
Ordering Information
+
Denotes a lead(Pb)-free/RoHS-compliant package.
G45 indicates protective die coating.
Note: All devices are specified over the -40°C to +85°C
extended temperature range.
PART
PIN-
PACKAGE
GAIN
(V/V)
TOP
MARK
MAX9938TEBS+G45
4 UCSP
25
+AGD
MAX9938FEBS+G45
4 UCSP
50
+AGE
MAX9938HEBS+G45
4 UCSP
100
+AGF
MAX9938WEBS+G45
4 UCSP
200
+AGI
MAX9938TEUK+
5 SOT23
25
+AFFB
MAX9938FEUK+
5 SOT23
50
+AFFC
MAX9938HEUK+
5 SOT23
100
+AFFD
MAX9938WEUK+
5 SOT23
200
+AFGZ
MAX9938FELT+
6 μDFN
50
+ACM
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX9938TEUK+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX9938TEUK+T | 功能描述:電流靈敏放大器 1uA Bump Precision Current Sense Amp 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 |
| MAX9938WEBS+G45 | 制造商:Maxim Integrated Products 功能描述:1?A, 4-BUMP UCSP/SOT23, PRECISION CURRENT-SENSE AMPLIFIER - Rail/Tube |
| MAX9938WEBS+T | 功能描述:電流靈敏放大器 1 A 4-Bump UCSP/SOT23 Precision Current-Sense Amplifier 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 |
| MAX9938WEBS+TG45 | 功能描述:電流靈敏放大器 Precision 1uA Current Sense Amp 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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