Datasheet > BU7150NUV

BU7150NUV

更新时间： 2024-11-03 12:50:11

品牌	Logo	应用领域
罗姆 - ROHM		放大器
页数	文件大小	规格书
17页	520K
描述
Headphone Amplifier Designed for 0.93V Low Voltage Operation

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BU7150NUV 数据手册

Compact Headphone Amplifiers

Headphone Amplifier

Designed for 0.93V Low Voltage Operation

No.11102ECT01

BU7150NUV

●Description

BU7150NUV is Audio Amplifier designed for Single-cell battery operated audio products (VDD = 0.93 ~ 3.5V, at Ta=0~85°C).

BU7150NUV can be selected in single-ended mode for stereo headphone and BTL mode for mono speaker operations. For

BU7150NUV at VDD = 1.5V, THD+N = 1%, the output power is 14mW at RL = 16Ω in single-ended mode and the output

power is 85mW at RL = 8Ω in BTL mode.

●Features

1) Wide battery operation Voltage (0.93V~3.5V, Ta=0~85°C) (1.03V~3.5V, Ta= -40~85°C)

2) BU7150NUV can be selected in single-ended mode for stereo headphone and BTL mode for mono speaker operation

3) Unity-gain stability

4) Click and pop-noise reduction circuit built-in

5) Shutdown mode(Low power mode)

6) High speed turn-on mute mode

7) Thermal shutdown protection circuit

8) Power-on reset circuit not sensed during start-up slew rate of supply voltage

9) Small package (VSON010V3030)

●Applications

Noise-canceling headphone, IC recorder, Mobile phone, PDA, Electronic toys etc..

●Absolute Maximum Ratings (Ta=25℃)

Parameter

Supply Voltage

Symbol

VDD

VIN

Ratings

4.5

Unit

Input Voltage

VSS-0.3~VDD+0.3

-10~10

Input Current

IIN

°C

Power Dissipation

Storage Temperature Range

560 *

TSTG

-55~+150

*For operating over 25°C, de-rate the value at 5.6mW/°C.

This value is for IC mounted on 74.2 mm x 74.2mm x 1.6mm glass-epoxy PCB of single-layer.

●Operating conditions

Ratings

Parameter

Symbol

Unit

Min.

-40

Typ.

Max.

Operation Temperature Range

Supply Voltage (Note 1,2)

TOPR

VDD

°C

0.93

3.5

Note 1: If the supply voltage is 0.93V, BU7150NUV does not operate at less than 0°C.

If the supply voltage is more than 1.03V, BU7150NUV operates until -40°C.

(But, it is not the one which guarantees the standard value for electric characteristics.)

Note 2: Ripple in power supply line should not exceed 400mV_P-P.(VDD=1.5 V, Ta=25°C )

www.rohm.com

2011.05 - Rev.C

1/16

12 3 4 5 6 7...17

中文翻译

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