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參數(shù)資料
| 型號(hào)： | MX581KCSA-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | High-Precision, 10V Reference |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, PDSO8 |
| 封裝： | 0.150 INCH, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 181K |
| 代理商： | MX581KCSA-T |
MX581
Voltage Temperature Coefficient
The temperature characteristic of the MX581 consis-
tently follows an “S-curve” (see Typical Operating
Characteristics). A five-point 100% test guarantees
compliance with -55°C to +125°C specifications and
a three-point 100% test guarantees 0°C to +70°C
specifications.
The voltage change specifications in the Electrical
Characteristics table state the maximum deviation over
temperature from the reference’s initial value at +25°C,
as well as drift in ppm/°C. By adding the maximum
deviation for a given device to its initial tolerance, the
total error is quickly determined.
Output Current
The MX581 is unique in that it can sink as well as
source current. The circuit is also protected for output
shorts to either +VS or GND. The output voltage versus
current characteristic is shown in the Typical Operating
Characteristics. For applications that require the MX581
to sink current, maintain a load capacitance of 10nF or
greater for proper operation.
Dynamic Performance
The turn-on characteristic and settling performance of
the MX581 are shown in the Typical Operating
Characteristics. Both coarse and fine transient
response is shown. The reference typically settles to
1mV within 180s after power is applied.
Applications Information
Precision High-Current Reference
A pnp power transistor, or Darlington, is easily connect-
ed to the MX581 to greatly increase its output current.
The circuit of Figure 3 provides a +10V output at up to
4A. If the load has a significant capacitive component,
compensation capacitor, C1, should be added. If the
load is purely resistive, high-frequency supply rejection
is improved without C1.
Low Input Voltage
Although line regulation is specified from 12.5V to 40V,
the MX581 can operate with a +12V ±5% input by
adding a resistor as shown in Figure 4. The resistor
reduces the current that must be supplied from VOUT.
Note that the resistor cannot be used at higher input
voltages since, as the supply increases, it sources
more current than VOUT can sink.
High-Precision, 10V Reference
4
_______________________________________________________________________________________
MX581
GND
+VS
VOUT
+15V
+10.0V
R
6.8k
10k
4.3k
-15V
R
TRIM
RANGE
MAX.
TCR
22
±30mV
3.5ppm/°C
12
±10mV
2.0ppm/°C
3.9
±5mV
0.6ppm/°C
Figure 2. Optional Fine Trim Configuration
MX581
GND
12.5V ±5%
+VS
VOUT
10V AT 0mA TO 5mA
580 5%
Figure 4. 12V Supply Connection
MX581
GND
+VS
VOUT
10V AT 4A
C1
0.1F
470
VIN ≥ 15V
2N6040
Figure 3. High-Current Precision Supply
相關(guān)PDF資料 |
PDF描述 |
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| MX584JCSA-T | Pin-Programmable Precision Voltage Reference |
| MX674AK/D-T | 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, UUC28 |
| MX7533J/D-T | PARALLEL, WORD INPUT LOADING, 10-BIT DAC, UUC16 |
| MX7535J/D-T | PARALLEL, WORD INPUT LOADING, 0.8 us SETTLING TIME, 14-BIT DAC, UUC27 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MX581KESA | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:High Precision 10 Volt Reference |
| MX581KH | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MX581LCSA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Reference |
| MX581LH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Voltage Reference |
| MX581SH | 制造商:Maxim Integrated Products 功能描述:MAXIM MX581SH VOLTAGE REFERENCES - Boxed Product (Development Kits) 制造商:Maxim Integrated Products 功能描述:Maxim MX581SH Voltage References |
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