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參數(shù)資料
| 型號： | MAX6126AASA30 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:4; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| 中文描述： | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 3 V, PDSO8 |
| 封裝： | 0.150 INCH, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 13/18頁 |
| 文件大?。?/td> | 412K |
| 代理商： | MAX6126AASA30 |
M
Ultra-High-Precision, Ultra-Low-Noise,
Series Voltage Reference
______________________________________________________________________________________
13
Detailed Description
Wideband Noise Reduction
To improve wideband noise and transient power-supply
noise, add a 0.1μF capacitor to NR (Figure 1). Larger
values do not improve noise appreciably. A 0.1μF NR
capacitor reduces the noise from 60nV/
√
Hz
to
35nV/
√
Hz
for the 2.048V output. Noise in the power-
supply input can affect output noise, but can be
reduced by adding an optional bypass capacitor
between IN and GND, as shown in the
Typical
Operating Circuit
.
Output Bypassing
The MAX6126 requires an output capacitor between
0.1μF and 10μF. Locate the output capacitor as close
to OUTF as possible. For applications driving switching
capacitive loads or rapidly changing load currents, it is
advantageous to use a 10μF capacitor in parallel with a
0.1μF capacitor. Larger capacitor values reduce tran-
sients on the reference output.
Supply Current
The quiescent supply current of the series-mode
MAX6126 family is typically 380μA and is virtually inde-
pendent of the supply voltage, with only a 2μA/V (max)
variation with supply voltage.
When the supply voltage is below the minimum speci-
fied input voltage during turn-on, the device can draw
up to 300μA beyond the nominal supply current. The
input voltage source must be capable of providing this
current to ensure reliable turn-on.
Thermal Hysteresis
Thermal hysteresis is the change of output voltage at
T
A
= +25
°
C before and after the device is cycled over
its entire operating temperature range. The typical ther-
mal hysteresis value is 20ppm (SO package).
Turn-On Time
These devices typically turn on and settle to within
0.1% of their final value in 200μs to 2ms depending on
the device. The turn-on time can increase up to 4ms
with the device operating at the minimum dropout volt-
age and the maximum load. A noise reduction capaci-
tor of 0.1μF increases the turn-on time to 20ms.
Output Force and Sense
The MAX6126 provides independent connections for the
power-circuit output (OUTF) supplying current into a
load, and for the circuit input regulating the voltage
applied to that load (OUTS). This configuration allows for
the cancellation of the voltage drop on the lines connect-
ing the MAX6126 and the load. When using the Kelvin
connection made possible by the independent current
and voltage connections, take the power connection to
the load from OUTF, and bring a line from OUTS to join
the line from OUTF, at the point where the voltage accu-
Pin Description
PIN
NAME
FUNCTION
1
NR
Noise Reduction. Connect a 0.1μF
capacitor to improve wideband noise.
Leave unconnected if not used (see
Figure 1).
2
3
IN
Positive Power-Supply Input
Ground
GND
4
GNDS
Ground-Sense Connection. Connect to
ground connection at load.
5, 8
I.C.
Internally Connected.
Do not connect
anything to these pins.
6
OUTS
Voltage Reference Sense Output
7
OUTF
Voltage Reference Force Output. Short
OUTF to OUTS as close to the load as
possible. Bypass OUTF with a
capacitor (0.1μF to 10μF) to GND.
NR
OUTF
*OPTIONAL.
0.1
μ
F*
OUTS
REFERENCE
OUTPUT
(V
OUT
+ 200mV) TO 12.6V INPUT
IN
GND
GNDS
MAX6126
*
Figure 1. Noise-Reduction Capacitor
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX6126AASA41 | Circular Connector; MIL SPEC:MIL-C-5015; Body Material:Metal; Series:GT; No. of Contacts:6; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Square Flange Receptacle; Body Style:Straight |
| MAX6126AASA50 | GT 10C 10#16 PIN RECP BOX RM |
| MAX6126AAUA21 | GT 5C 3#4 2#16 PIN RECP |
| MAX6126AAUA25 | GTS05AF32-22S |
| MAX6126AAUA30 | Ultra-High-Precision, Ultra-Low-Noise, Series Voltage Reference |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6126AASA30+ | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Ultra-High-Precision Ultra-Low-Noise 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 |
| MAX6126AASA30+T | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Ultra-High-Precision Ultra-Low-Noise 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 |
| MAX6126AASA30-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 |
| MAX6126AASA41 | 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 |
| MAX6126AASA41+ | 功能描述:基準(zhǔn)電壓& 基準(zhǔn)電流 Ultra-High-Precision Ultra-Low-Noise 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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