Datasheet > LMV1015

LMV1015

更新时间： 2024-10-14 03:51:47

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
11页	696K
描述
Built-in Gain IC’s for High Sensitivity 2-Wire Microphones

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LMV1015 数据手册

May 2005

LMV1015 Analog Series:

Built-in Gain IC’s for High Sensitivity 2-Wire

Microphones

General Description

Features

The LMV1015 is an audio amplifier series for small form

factor electret microphones. This 2-wire portfolio is designed

to replace the JFET amplifier. The LMV1015 series is ideally

suited for applications requiring high signal integrity in the

presence of ambient or RF noise, such as in cellular com-

munications. The LMV1015 audio amplifiers are guaranteed

to operate over a 2.2V to 5.0V supply voltage range with

fixed gains of 15.6 dB and 23.8 dB. The devices offer excel-

lent THD, gain accuracy and temperature stability as com-

pared to a JFET microphone.

(Typical LMV1015-15, 2.2V supply, R_L= 2.2 kΩ, C = 2.2 µF,

V_IN= 18 mV_PP, unless otherwise specified)

n Supply voltage

n Supply current

n Signal to noise ratio (A-weighted)

n Output voltage noise (A-weighted)

n Total harmonic distortion

n Voltage gain

— LMV1015-15

— LMV1015-25

2V - 5V

180 µA

60 dB

−89 dBV

0.09%

15.6 dB

23.8 dB

−40˚C to 85˚C

The LMV1015 series enables a two-pin electret microphone

solution, which provides direct pin-to-pin compatibility with

the existing older JFET market.

n Temperature range

n Large Dome 4-Bump micro SMD package with improved

adhesion technology.

National Semiconductors built-in gain families are offered in

extremely thin space saving 4-bump micro SMD packages

(0.3 mm maximum). The LMV1015XR is designed for 1.0

mm ECM canisters and thicker. These extremely miniature

packages have the Large Dome Bump (LDB) technology.

This micro SMD technology is designed for microphone

PCBs requiring 1 kg adhesion criteria.

Applications

n Cellular phones

n Headsets

n Mobile communications

n Automotive accessories

n PDAs

n Accessory microphone products

Schematic Diagram

Built-In Gain Electret Microphone

20128902

20128901

DS201289

www.national.com

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与LMV1015相关器件

型号	品牌	获取价格	描述	数据表
LMV1015-15	NSC	获取价格	Built-in Gain IC’s for High Sensitivity 2-Wir
LMV1015-25	NSC	获取价格	Built-in Gain IC’s for High Sensitivity 2-Wir
LMV1015UR-15	NSC	获取价格	Built-in Gain IC’s for High Sensitivity 2-Wir
LMV1015UR-15/NOPB	TI	获取价格	AUDIO PREAMPLIFIER
LMV1015UR-25	NSC	获取价格	Built-in Gain IC’s for High Sensitivity 2-Wir
LMV1015URX-15	NSC	获取价格	Built-in Gain IC’s for High Sensitivity 2-Wir
LMV1015URX-25	NSC	获取价格	Built-in Gain IC’s for High Sensitivity 2-Wir
LMV1015XR-15	NSC	获取价格	Built-in Gain IC’s for High Sensitivity 2-Wir
LMV1015XR-15/NOPB	TI	获取价格	IC,AUDIO AMPLIFIER,SINGLE,BGA,4PIN,PLASTIC
LMV1015XR-25	NSC	获取价格	Built-in Gain IC’s for High Sensitivity 2-Wir