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參數(shù)資料
| 型號： | MAX472CPA |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP CURR-SENSE HI-SIDE 8-DIP |
| 標(biāo)準(zhǔn)包裝： | 50 |
| 放大器類型： | 電流檢測 |
| 電路數(shù)： | 1 |
| 電流 - 輸入偏壓： | 20µA |
| 電壓 - 輸入偏移： | 120µV |
| 電流 - 電源： | 20µA |
| 電流 - 輸出 / 通道： | 1.5mA |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 36 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 8-DIP（0.300"，7.62mm） |
| 供應(yīng)商設(shè)備封裝： | 8-PDIP |
| 包裝： | 管件 |
| 其它名稱： | Q1142329 |
MAX471/MAX472
Precision, High-Side
Current-Sense Amplifiers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—MAX471
(RS+ = +3V to +36V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
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.
Supply Voltage, RS+, RS-, VCC to GND....................-0.3V, +40V
RMS Current, RS+ to RS- (MAX471 only)..........................±3.3A
Peak Current, (RS+ to RS-) ......................................see Figure 5
Differential Input Voltage, RG1 to RG2 (MAX472 only) .....±0.3V
Voltage at Any Pin Except SIGN
MAX471 only ...........................................-0.3V to (RS+ - 0.3V)
MAX472 only ..........................................-0.3V to (VCC + 0.3V)
Voltage at SIGN......................................................-0.3V to +40V
Current into SHDN, GND, OUT, RG1, RG2, VCC................±50mA
Current into SIGN.................................................+10mA, -50mA
Continuous Power Dissipation (TA = +70°C)
MAX471 (Note 1):
Plastic DIP (derate 17.5mW/°C above +70°C) ..................1.4W
SO (derate 9.9mW/°C above +70°C) .............................791mW
MAX472 :
Plastic DIP (derate 9.09mW/°C above +70°C) ..............727mW
SO (derate 5.88mW/°C above +70°C) ...........................471mW
Operating Temperature Ranges
MAX47_C_A ........................................................0°C to +70°C
MAX47_E_A .....................................................-40°C to +85°C
Junction Temperature Range ............................-60°C to +150°C
Storage Temperature Range .............................-60°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
VSHDN = 2.4V
ILOAD = 0A, excludes ISIGN
VSHDN = 0V
VSHDN = 2.4V; VCC = 3V to 20V
VSIGN = 0.3V
VSIGN = 36V
ILOAD = 30mA,
RS+ = 10V
MAX471E
MAX471C
ILOAD = 0A,
RS+ = 10V
ILOAD = 1A,
RS+ = 10V
3V
≤ RS+ ≤ 36V, ILOAD = 1A
CONDITIONS
V
0VRS+ - 1.5
VOUT
OUT Output Voltage Range
A
1.0
IIH
SHDN Input High Current
V
2.4
VIH
SHDN Input High Voltage
A
1.0
IIL
SHDN Input Low Current
V
0.3
VIL
SHDN Input Low Voltage
A
1.5
18.0
IRS+(SHDN)
Shutdown Supply Current
mA
0.1
IOL
SIGN Sink Current
A
1.0
SIGN Output Leakage Current
mA
±4.0
±6.0
SIGN Threshold (ILOAD required
to switch SIGN)
%/V
0.1
PSRR
Power-Supply Rejection Ratio
ARMS
±3
ILOAD
Sense Current
V
50
113
IRS+
336
VRS+
Supply Voltage
Supply Current
A
±3.0
Low-Level OUT Error
±2.5
A
3.0
No-Load OUT Error
m
35
70
RSENSE
Sense Resistor
0.490
0.500
0.510
mA/A
0.4875
0.500
0.5125
IOUT/
ILOAD
Current-Sense Ratio
2.5
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
OUT Output Resistance
ROUT
ILOAD = 3.0A, VOUT = 0V to (VRS+ - 1.5V)
13
M
OUT Rise, Fall Time
tR, tF
ILOAD = 50mA to 3.0A, ROUT = 2k,
COUT = 50pF, 10% to 90%
4
s
OUT Settling Time to 1%
of Final Value
ts
ILOAD = 100mA to 3.0A, ROUT = 2k,
COUT = 50pF
15
s
MAX471C
MAX471E
±7.0
A
Note 1: Due to special packaging considerations, MAX471 (DIP, SO) has a higher power dissipation rating than the MAX472. RS+
and RS- must be soldered to large copper traces to achieve this dissipation rating.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX472CPA+ | 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 |
| MAX472CSA | 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 |
| MAX472CSA+ | 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 |
| MAX472CSA+T | 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 |
| MAX472CSA-T | 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 |
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