LM4041D12

更新时间： 2024-11-25 11:07:55

品牌	Logo	应用领域
德州仪器 - TI		电源电路参考电压源
页数	文件大小	规格书
24页	503K
描述
精度为 1% 的 1.2V 精密微功耗并联电压基准

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LM4041D12 数据手册

LM4041

PRECISION MICROPOWER SHUNT VOLTAGE REFERENCE

www.ti.com

SLCS146C–FEBRUARY 2005–REVISED MAY 2005

FEATURES

•

Available in

•

1.225-V Fixed and Adjustable Outputs

(1.225 V to 10 V)

– Industrial Temperature: –40°C to 85°C

– Extended Temperature: –40°C to 125°C

Applications

•

Tight Output Tolerances and Low

Temperature Coefficient

•

– Data-Acquisition Systems

– Power Supplies and Power-Supply Monitors

– Instrumentation and Test Equipment

– Process Control

– Max 0.1%, 100 ppm/°C – A Grade

– Max 0.2%, 100 ppm/°C – B Grade

– Max 0.5%, 100 ppm/°C – C Grade

– Max 1.0%, 150 ppm/°C – D Grade

Low Output Noise . . . 20 µV_RMS(Typ)

– Precision Audio

•

– Automotive Electronics

Wide Operating Current Range . . .

45 µA (Typ) to 12 mA

– Energy Management/Metering

– Battery-Powered Equipment

•

Stable With All Capacitive Loads; No Output

Capacitor Required

1.2 V . . . DBZ (SOT-23) PACKAGE

(TOP VIEW)

1.2 V . . . DCK (SC-70) PACKAGE

(TOP VIEW)

1.2 V . . . LP (TO-92/TO-226) PACKAGE

(TOP VIEW)

ANODE

CATHODE

ANODE

CATHODE

* Pin 3 must be connected to

ANODE or left open.

NC − No internal connection

* Pin 2 must be connected to

ANODE or left open.

NC − No internal connection

Adjustable . . . DBZ (SOT-23) PACKAGE

(TOP VIEW)

Adjustable . . . DCK (SC-70) PACKAGE

(TOP VIEW)

Adjustable . . . LP (TO-92/TO-226) PACKAGE

(TOP VIEW)

ANODE

CATHODE

NC − No internal connection

DESCRIPTION/ORDERING INFORMATION

The LM4041 series of shunt voltage references are versatile, easy-to-use references with a vast array of

applications. They require no external resistors or capacitors for operation and are stable with all capacitive

loads. Additionally, the reference offers low dynamic impedance, low noise, and a low temperature coefficient to

ensure a stable output voltage over a wide range of operating currents and temperatures. The LM4041 uses fuse

and Zener-zap reverse breakdown voltage trim during wafer sort to offer four output voltage tolerances, ranging

from 0.1% (max) for the A grade to 1% (max) for the D grade. Thus, a great deal of flexibility is offered to

designers in choosing the best cost-to-performance ratio for their applications. The LM4041 is available in a fixed

(1.225 V nominal) or an adjustable version (which requires an external resistor divider to set the output to a value

between 1.225 V and 10 V).

Packaged in space-saving SC-70 and SOT-23-3 and requiring a minimum current of 45 µA (typ), the LM4041

also is ideal for portable applications. The TO-92 package also is available for through-hole packaging needs.

The LM4041xI is characterized for operation over an ambient temperature range of –40°C to 85°C. The

LM4041xQ is characterized for operation over an ambient temperature range of –40°C to 125°C.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

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