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19-2211; Rev 2; 12/02
Precision, Micropower, 1.8V Supply,
Low-Dropout, SOT23 Voltage Reference
General Description
The MAX6018 is a precision, low-voltage, low-dropout,
micropower voltage reference in a SOT23 package. This
three-terminal reference operates with an input voltage
from (V OUT + 200mV) to 5.5V, and is available with out-
put voltage options of 1.2V, 1.6V, 1.8V, and 2.048V
The MAX6018 voltage reference consumes less than
5μA (max) of supply current and can source and sink
up to 1mA of load current. Unlike conventional shunt-
mode (two-terminal) references that waste supply cur-
rent and require an external resistor, devices in the
MAX6018 family offer a supply current that is virtually
independent of supply voltage (with only 0.1μA/V varia-
tion with supply voltage) and do not require an external
resistor. The MAX6018 has initial accuracies of 0.2% (A
grade) and 0.4% (B grade) and temperature drift of
50ppm/°C (max). The low-dropout voltage and the
ultra-low, supply voltage-independent supply current
make this device ideal for two-cell alkaline, end-of-life,
battery-monitoring systems. The MAX6018 is available
in a tiny 3-pin SOT23 package.
Features
o Ultra-Low Supply Current: 5μA (max)
o 1.6V Output from 1.8V Input
o Ultra-Small, 3-Pin SOT23 Package
o Initial Accuracy: ±0.2% (max)
o Low Temperature Drift: 50ppm/°C (max)
o 200mV Dropout Voltage
o Load Regulation (1mA Source): 700μV/mA (max)
o Line Regulation (V OUT + 200mV) to 5.5V: 250μV/V
(max)
o Four Output Voltage Options: 1.2V, 1.6V,
1.8V, 2.048V
Ordering Information
Applications
Two-Cell, Battery-Operated Systems
PART
TEMP RANGE
PIN-
PACKAGE
TOP
MARK
Battery-Operated Equipment
Hand-Held Equipment
Data-Acquisition Systems
Industrial and Process-Control Systems
Typical Application Circuit
V CC
MAX6018AEUR12-T -40 ° C to +85 ° C
MAX6018BEUR12-T -40 ° C to +85 ° C
MAX6018AEUR16-T -40 ° C to +85 ° C
MAX6018BEUR16-T -40 ° C to +85 ° C
MAX6018AEUR18-T -40 ° C to +85 ° C
MAX6018BEUR18-T -40 ° C to +85 ° C
MAX6018AEUR21-T -40 ° C to +85 ° C
MAX6018BEUR21-T -40 ° C to +85 ° C
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
3 SOT23-3
FZJH
FZJI
FZJJ
FZJK
FZJL
FZJM
FZJN
FZJO
REFERENCE
IN
OUT
OUT
*
MAX6018
1 μ F, MAX*
Selector Guide
*OPTIONAL
GND
Pin Configuration
PART
MAX6018AEUR12
MAX6018BEUR12
MAX6018AEUR16
OUTPUT
VOLTAGE (V)
1.263
1.263
1.600
INITIAL
ACCURACY (%)
± 0.2
± 0.4
± 0.2
TOP VIEW
IN
1
MAX6018BEUR16
MAX6018AEUR18
MAX6018BEUR18
1.600
1.800
1.800
± 0.4
± 0.2
± 0.4
OUT 2
MAX6018
3
GND
MAX6018AEUR21
MAX6018BEUR21
2.048
2.048
± 0.2
± 0.4
SOT23
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数
MAX6018AEUR21-T 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel
MAX6018BEUR12 制造商:Maxim Integrated Products 功能描述:PRECISION MICROPOWER 1.8V SUPPLY - Rail/Tube
MAX6018BEUR12+ 制造商:Maxim Integrated Products 功能描述:V-REF PRECISION 1.263V 1MA 3PIN SOT-23 - Rail/Tube
MAX6018BEUR12+T 功能描述:基准电压& 基准电流 uPower 1.8V Low-Drop Voltage Ref RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel
MAX6018BEUR12-T 功能描述:基准电压& 基准电流 RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel
MAX6018BEUR16 制造商:Maxim Integrated Products 功能描述:PRECISION MICROPOWER 1.8V SUPPLY - Cut Tape Product
MAX6018BEUR16+ 制造商:Maxim Integrated Products 功能描述:V-REF PRECISION 1.6V 1MA 3PIN SOT-23 - Rail/Tube
MAX6018BEUR16+T 功能描述:基准电压& 基准电流 uPower 1.8V Low-Drop Voltage Ref RoHS:否 制造商:STMicroelectronics 产品:Voltage References 拓扑结构:Shunt References 参考类型:Programmable 输出电压:1.24 V to 18 V 初始准确度:0.25 % 平均温度系数（典型值）:100 PPM / C 串联 VREF - 输入电压（最大值）: 串联 VREF - 输入电压（最小值）: 分流电流（最大值）:60 mA 最大工作温度:+ 125 C 封装 / 箱体:SOT-23-3L 封装:Reel