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參數(shù)資料
| 型號： | MAX6033 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Ultra-High-Precision SOT23 Series Voltage Reference |
| 中文描述： | 超高精度、SOT23封裝、串聯(lián)型電壓基準(zhǔn) |
| 文件頁數(shù)： | 9/11頁 |
| 文件大小： | 450K |
| 代理商： | MAX6033 |
Applications Information
Bypassing/Load Capacitance
For the best line-transient performance, decouple the
input with a 0.1μF ceramic capacitor as shown in the
Typical Operating Circuit
. Place the capacitor as close
to IN as possible. When transient performance is less
important, no capacitor is necessary.
The MAX6033 family requires a minimum output capac-
itance of 0.1μF for stability and is stable with capacitive
loads (including the bypass capacitance) of up to
100μF. In applications where the load or the supply can
experience step changes, a larger output capacitor
reduces the amount of overshoot (undershoot) and
improves the circuit
’
s transient response. Place output
capacitors as close to the device as possible.
Supply Current
The quiescent supply current of the MAX6033 series
reference is typically 40μA and is virtually independent
of the supply voltage. In the MAX6033 family, the load
current is drawn from the input only when required, so
supply current is not wasted and efficiency is maxi-
mized at all input voltages. This improved efficiency
reduces power dissipation and extends battery life.
When the supply voltage is below the minimum-speci-
fied input voltage (as during turn-on), the devices can
draw up to 150μA beyond the nominal supply current.
The input voltage source must be capable of providing
this current to ensure reliable turn-on.
Output-Voltage Hysteresis
Output voltage hysteresis is the change in the output
voltage at T
A
= +25
°
C before and after the device is
cycled over its entire operating temperature range.
Hysteresis is caused by differential package stress
appearing across the bandgap core transistors. The
typical temperature hysteresis value is 150ppm.
Turn-On Time
These devices typically turn on and settle to within
0.01% of their final value in >1μs. The turn-on time can
increase up to 2ms with the device operating at the
minimum dropout voltage and the maximum load.
Precision Current Source
Figure 1 shows a typical circuit providing a precision
current source. The OUTF output provides the bias cur-
rent for the bipolar transistor. OUTS senses the voltage
across the resistor and adjusts the current sourced by
OUTF accordingly.
High-Resolution DAC and
Reference from Single Supply
Figure 2 shows a typical circuit providing both the
power supply and reference for a high-resolution DAC.
A MAX6033 with 2.5V output provides the reference
voltage for the DAC.
M
Ultra-High-Precision SOT23 Series
Voltage Reference
_______________________________________________________________________________________
9
Pin Description
PIN
NAME
FUNCTION
1, 3
I.C.
Internally Connected. Do not
connect externally.
2
4
GND
IN
Ground
Positive Power-Supply Input
Voltage Reference Force Output.
Short OUTF to OUTS as close to
the device as possible. Bypass
OUTF with 0.1μF (min) capacitor
to GND.
Voltage Reference Sense
5
OUTF
6
OUTS
OUTS
OUTF
MAX6033
IN
GND
I
SOURCE
Figure 1. Precision Current Source
OUT
OUT
REF
3V SUPPLY
IN
GND
ANALOG
OUTPUT
MAX6033
V
DD
GND
MAX5143
DAC
Figure 2. 14-Bit High-Resolution DAC and Positive Reference
from a Single 3V Supply
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相關(guān)代理商/技術(shù)參數(shù) |
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| MAX6033_12 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Ultra-High-Precision SOT23 Series Voltage Reference |
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| MAX6033AAUT25#G16 | 制造商:Maxim Integrated Products 功能描述:ULTRA-HIGH-PRECISION SOT23 SERIES VOLTAGE REFERENCE - Bulk 制造商:Maxim Integrated Products 功能描述:MXMMAX6033AAUT25#G16 SOT23 SERIES VOLTAG 制造商:Maxim Integrated Products 功能描述:IC V REF PRECISION 6SOT |
| MAX6033AAUT25#TG16 | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Ultra-Low-Power Voltage Ref 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 |
| MAX6033AAUT25-T | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Ultra-Low-Power Voltage Ref 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 |
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