參數(shù)資料
M
10μA, Low-Dropout,
Prec ision Voltage Referenc es
________________________________________________________________ Maxim Integrated Products
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
1
General Desc ription
The MAX872/MAX874 precision 2.5V and 4.096V micro-
power voltage references consume a maximum of only
10μA and operate from supply voltages up to 20V. The
combination of ultra-low quiescent current and low
200mV dropout makes them ideal for battery-powered
equipment. They source and sink up to 500μA with only
200mV input voltage headroom, which makes the 2.5V
MAX872 ideal for use with a 3V supply and the 4.096V
MAX874 ideal for use with a 5V supply.
Initial accuracy of 0.2% at +25°C (±5mV for the MAX872,
±8mV for the MAX874) and low 40ppm/°C max drift make
these references suitable for a wide range of precision
applications.
Applic ations
Hand-Held Instruments
Battery-Operated Equipment
Power Supplies
Features
o
Output Voltage
2.500V ±0.2% (MAX872)
4.096V ±0.2% (MAX874)
o
Wide Operating Voltage Range
2.7V to 20V (MAX872)
4.3V to 20V (MAX874)
o
10μA Max Supply Current
o
40ppm/°C Max Drift Over Extended Temp. Range
o
Line Regulation Over Temp.
20μV/V (MAX872)
75μV/V (MAX874)
o
Load Regulation Over Temp.
0.6mV/mA Max (MAX872)
1.0mV/mA Max (MAX874)
o
±500μA Sink/Source Current
V
OUT
TRIM
GND
1
2
8
7
COMP
I.C.
V
IN
TEMP
I.C.
DIP/SO
TOP VIEW
3
4
6
5
MAX872
MAX874
GND
V
IN
3.0V (MAX872)
5.0V (MAX874)
REFERENCE WITH TRIMMED OUTPUT
V
OUT
TRIM
MAX872
MAX874
Typic al Operating Circ uit
19-0005; Rev 2; 6/97
PART
MAX872
CPA
MAX872CSA
MAX872C/D
MAX872EPA
MAX872ESA
MAX874
CPA
MAX874CSA
MAX874C/D
MAX874EPA
MAX874ESA
0°C to +70°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
*Dice are specified at +25°C only.
Pin Configuration
Ordering Information
-40°C to +85°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX874ESA+ 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
MAX874ESA+T 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
MAX874ESA-T 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓?fù)浣Y(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準(zhǔn)確度:0.25 % 平均溫度系數(shù)（典型值）:100 PPM / C 串聯(lián) VREF - 輸入電壓（最大值）: 串聯(lián) VREF - 輸入電壓（最小值）: 分流電流（最大值）:60 mA 最大工作溫度:+ 125 C 封裝 / 箱體:SOT-23-3L 封裝:Reel
MAX8751ETJ 功能描述:顯示驅(qū)動(dòng)器和控制器 Fixed-f Full-Bridge CCFL Controller RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
MAX8751ETJ+ 功能描述:顯示驅(qū)動(dòng)器和控制器 Fixed-f Full-Bridge CCFL Controller RoHS:否 制造商:Panasonic Electronic Components 工作電源電壓:2.7 V to 5.5 V 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Reel
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