Datasheet > MAX6226

MAX6226

更新时间： 2024-11-30 14:58:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
16页	1109K
描述
超高精度、超低噪声、串联型电压基准

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中文翻译

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数据手册

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MAX6226 数据手册

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Ultra-High-Precision, Ultra-Low-Noise,

Series Voltage Reference

MAX6226

General Description

Beneﬁts and Features

● 8-pin Hermetically Sealed Ceramic Package

The MAX6226 is an ultra-low-noise, high-precision, low-

dropout voltage reference. This family of voltage references

feature curvature-correction circuitry and high-stability,

laser-trimmed, thin-film resistors that result in 3ppm/°C

(max) temperature coefficients and an excellent ±0.02%

(max) initial accuracy. The proprietary low-noise reference

Reduces System Board Space

● Ultra-Low 1.45μV

Noise (0.1Hz to 10Hz, 2.5V Output)

P-P

● Ultra-Low 3ppm/°C (Max) Temperature Coefficient

● ±0.02% (Max) Initial Accuracy

architecture produces a low flicker noise of 1.45μV

and

● Wide (V

+ 200mV) to 12.6V Supply Voltage Range

P-P

OUT

wideband noise as low as 75nV/√Hz (2.5V output) without

the increased supply current usually found in low-noise

references. Improve wideband noise to 45nV/√Hz and AC

power-supply rejection by adding a 0.1μF capacitor at the

noise reduction pin. The MAX6226 series mode reference

operates from a wide 2.7V to 12.6V supply voltage range

and load-regulation specifications are guaranteed to be

less than 0.25Ω and 0.05Ω for sink and source currents up

to 10mA, respectively. These devices are available over the

automotive temperature range of -40°C to +125°C.

● Low 200mV (Max) Dropout Voltage

● 380μA Quiescent Supply Current

● 10mA Sink/Source-Current Capability

● Stable with C

= 0.1μF to 10μF

LOAD

● Low 11ppm/1000hr Long-Term Drift

● 0.05Ω (Max) Load Regulation

● 25μV/V (Max) Line Regulation

● Force and Sense Outputs for Remote Sensing

The MAX6226 typically draws 380μAof supply current and

the output voltages are 2.5V, 3.3V, and 5.0V. The MAX6226

also feature dropout voltages as low as 200mV. Unlike conven-

tionalshunt-mode(two-terminal)referencesthatwastesup-

ply current and require an external resistor, the MAX6226

offers supply current that is virtually independent of

supply voltage and does not require an external resistor. The

MAX6226 is stable with 0.1μF to 10μF of load capacitance,

and is available in an 8-pin ceramic package.

Applications

● High-Resolution A/D and D/A Converters

● ATE Equipment

● High-Accuracy Reference Standard

● Precision Current Sources

● Digital Voltmeters

● High-Accuracy Industrial and Process Control

Ordering Information appears at end of data sheet.

Typical Operating Circuit

+ 200mV) TO 12.6V INPUT

OUT

LONG-TERM STABILITY vs. TIME

(MAX6226ALA25+)

toc16

REFERENCE

OUTPUT

OUTF

THREE TYPICAL UNITS

OUTS

MAX6226

LOAD

GND

-5

200

400

600

800

1000

DURATION (HOURS)

*OPTIONAL.

19-100454; Rev 7; 5/22

12 3 4 5 6 7...16

中文翻译

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与MAX6226相关器件

型号	品牌	获取价格	描述	数据表
MAX6226ALA25	MAXIM	获取价格	Ultra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
MAX6226ALA25T	MAXIM	获取价格	Ultra-High-Precision, Ultra-Low-Noise, Series Voltage Reference
MAX622C/D	MAXIM	获取价格	High-Side Power Supplies
MAX622C/D-T	MAXIM	获取价格	Switched Capacitor Regulator, 0.025A, 90kHz Switching Freq-Max, CMOS, DIE-8
MAX622CPA	MAXIM	获取价格	High-Side Power Supplies
MAX622CPA-T	MAXIM	获取价格	Switched Capacitor Regulator, 0.025A, 90kHz Switching Freq-Max, CMOS, PDIP8, PLASTIC, DIP-
MAX622CPE	MAXIM	获取价格	High-Side Power Supplies
MAX622CSA	MAXIM	获取价格	High-Side Power Supplies
MAX622CSA-T	MAXIM	获取价格	Switched Capacitor Regulator, 0.025A, 90kHz Switching Freq-Max, CMOS, PDSO8, SOP-8
MAX622EPA	MAXIM	获取价格	High-Side Power Supplies

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