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參數(shù)資料
| 型號： | MAX6125 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS 20-CDIP -55 to 125 |
| 中文描述： | SOT23封裝、低成本、低壓差、三端電壓基準 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 84K |
| 代理商： | MAX6125 |
_______________________________________________________________________________________
7
_____________Applic ations Information
S etting the MAX 6160 Output V oltage
Set the output voltage on the MAX6160 by connecting
a resistor divider between OUT, ADJ , and GND
(Figure 1). Choose R1 according to the following equa-
tion:
R1 = (1.06 x 10
5
) (V
OUT
/ V
ADJ
)(k
)
where V
TH
= 1.23V. The scaling factor (1.06 x 10
5
)
compensates for the MAX6160's change in ADJ input
current over temperature. When R1 is chosen correctly,
the change in voltage across R1 caused by the ADJ
input current is properly cancelled. Choose R1 to within
±5% of this calculated value (nearest standard value
plus specified resistor tolerance) to optimize the output
voltage temperature coefficient. Using R1 = 215k
:
which is also the nearest 0.1% resistor value.
Choose R2 according to the following equation:
R2 = R1 / (V
OUT
/ V
ADJ
- 1)
For example, a 2.5V output requires R1 = (1.06 x 10
5
)
(2.5V / 1.23V)
≈
215
, which is the nearest standard-
value 0.1% resistor.
Input Bypassing
For the best line-transient performance, decouple the
input with a 0.1μF ceramic capacitor, as shown in the
Typical Operating Circuit Locate the capacitor as
close to the device pin as possible. Where transient
performance is less important, no capacitor is
necessary.
Output Bypassing
The MAX6125/MAX6141/MAX6145/MAX6150/MAX6160
do not require an output capacitor. They are stable for
capacitive loads from 0nF to 10nF. If your application
requires an output charge reservoir (e.g., to decouple
the reference from a DAC’s input), then make sure that
the total output capacitive load does not exceed 10nF
for optimum settling-time performance.
M
S OT 23, Low-Cost, Low-Dropout,
3-Terminal Voltage Referenc es
______________________________________________________________Pin Desc ription
Adjustable output voltage feedback input. Connect a resistor
divider between OUT, ADJ , and GND (Figure 1).
ADJ
5**
Input Voltage
IN
8
Ground
GND
4
No Connection. Not internally connected.
N.C.
2, 3, 5*, 6, 7
Reference Output
OUT
1
FUNCTION
NAME
SO
—
1
3
—
2
SOT23-3
2
3
1
—
4
SOT143
*Except MAX6160.
**MAX6160 only.
MAX6160
OUT
ADJ
GND
IN
R1 = 1.06 x 10
5
(
V
)
( k
)
OUT
V
ADJ
R2 = –R1
OUT
V
ADJ
V
)
V
ADJ
= 1.23V
V
OUT
V
IN
R1
R2
Figure 1. MAX6160 Adjustable Output Circuit
PIN
R2 = 215k
2.5V
1.23V-1
208k
,
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX6125ESA | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS 20-CFP -55 to 125 |
| MAX6125EUR | SOT23, Low-Cost, Low-Dropout, 3-Terminal Voltage References |
| MAX6141 | SOT23, Low-Cost, Low-Dropout, 3-Terminal Voltage References |
| MAX6141ESA | SOT23, Low-Cost, Low-Dropout, 3-Terminal Voltage References |
| MAX6141EUR | SOT23, Low-Cost, Low-Dropout, 3-Terminal Voltage References |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6125ESA | 功能描述:基準電壓& 基準電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度: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 |
| MAX6125ESA+ | 功能描述:基準電壓& 基準電流 Low-Dropout 3-Term Voltage Ref RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度: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 |
| MAX6125ESA+T | 功能描述:基準電壓& 基準電流 Low-Dropout 3-Term Voltage Ref RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度: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 |
| MAX6125ESA-T | 功能描述:基準電壓& 基準電流 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Voltage References 拓撲結(jié)構(gòu):Shunt References 參考類型:Programmable 輸出電壓:1.24 V to 18 V 初始準確度: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 |
| MAX6125EUR | 制造商:Maxim Integrated Products 功能描述:LOW-COST 3-TERMINAL VOLTAGE REFERE - Rail/Tube |
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