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| 型号： | MAX9938WEUK+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 7/14页 |
| 文件大小： | 0K |
| 描述： | IC AMP CURRENT SENSE SOT23-5 |
| 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 |
| -3db带宽： | 15kHz |
| 电压 - 输入偏移： | 100µV |
| 电流 - 电源： | 1.1µA |
| 电压 - 电源，单路/双路(±)： | 1.6 V ~ 28 V |
| 工作温度： | -45°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 带卷 (TR) |
MAX9938
1A, 4-Bump UCSP/SOT23,
Precision Current-Sense Amplifier
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
(VRS+ = VRS- = 3.6V, VSENSE = (VRS+ - VRS-) = 0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VRS+ = 5V, TA = +25°C
0.5
0.85
VRS+ = 5V, -40°C < TA < +85°C
1.1
VRS+ = 28V, TA = +25°C
1.1
1.8
Supply Current (Note 2)
ICC
VRS+ = 28V, -40°C < TA < +85°C
2.5
μA
Common-Mode Input Range
VCM
Guaranteed by CMRR , -40°C < TA < +85°C
1.6
28
V
Common-Mode Rejection Ratio
CMRR
1.6V < VRS+ < 28V, -40°C < TA < +85°C
94
130
dB
TA = +25°C
±100
±500
Input Offset Voltage (Note 3)
VOS
-40°C < TA < +85°C
±600
μV
MAX9938T
25
MAX9938F
50
MAX9938H
100
Gain
G
MAX9938W
200
V/V
TA = +25°C
±0.1
±0.5
MAX9938T/MAX9938F/
MAX9938H
-40°C < TA < +85°C
±0.6
TA = +25°C
±0.1
±0.7
Gain Error (Note 4)
GE
MAX9938W
-40°C < TA < +85°C
±0.8
%
MAX9938T/F/H
7.0
10
13.2
Output Resistance
ROUT
(Note 5)
MAX9938W
14.0
20
26.4
k
Ω
Gain = 25
1.5
15
Gain = 50
3
30
Gain = 100
6
60
OUT Low Voltage
VOL
Gain = 200
12
120
mV
OUT High Voltage
VOH
VOH = VRS- - VOUT (Note 6)
0.1
0.2
V
VSENSE = 50mV, gain = 25
125
VSENSE = 50mV, gain = 50
60
VSENSE = 50mV, gain = 100
30
Small-Signal Bandwidth
(Note 5)
BW
VSENSE = 50mV, gain = 200
15
kHz
Output Settling Time
tS
1% final value, VSENSE = 50mV
100
μs
RS+, RS- to GND....................................................-0.3V to +30V
OUT to GND .............................................................-0.3V to +6V
RS+ to RS- ...........................................................................±30V
Short-Circuit Duration: OUT to GND ..........................Continuous
Continuous Input Current (Any Pin)..................................±20mA
Continuous Power Dissipation (TA = +70°C)
4-Bump UCSP (derate 3.0mW/°C above +70°C).........238mW
5-Pin SOT23 (derate 3.9mW/°C above +70°C)............312mW
6-Pin μDFN (derate 4.5mW/°C above +70°C) .............358mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range ............................-65°C to +150°C
Lead Temperature (excluding UCSP, soldering, 10s).....+300°C
Soldering Temperature (reflow) .......................................+260°C
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