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參數(shù)資料
| 型號(hào)： | BH7884EFV-E2 |
| 廠商： | Rohm Semiconductor |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大小： | 0K |
| 描述： | IC AMP HDPH/SPEAKER LV 24HTSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類型： | AB 類 |
| 輸出類型： | 2-通道（立體聲）帶立體聲耳機(jī) |
| 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： | 1W x 2 @ 8 歐姆 |
| 電源電壓： | 3 V ~ 5.5 V |
| 特點(diǎn)： | 帶低音增強(qiáng)模式，靜音，待機(jī) |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 24-HTSSOP-B |
| 封裝/外殼： | 24-VSSOP（0.220"，5.60mm 寬）裸露焊盤(pán) |
| 包裝： | 帶卷 (TR) |
1/10
www.rohm.com
2010.06 - Rev.A
2010 ROHM Co., Ltd. All rights reserved.
Class-AB Speaker Amplifiers
1W+1W Stereo
Speaker / Headphone Amplifier
BH7884EFV
●Description
The BH7884EFV is a low voltage, low noise, high output speaker and headphone amplifier drive, in which a Bi-CMOS
process is used. This IC supports: headphone amplifier gain adjustment, active/suspend switching, speaker amplifier
stereo/monaural switching, and amplifier mute switching. All functions are controllable from a microcontroller.
Built-in digital
noise reduction circuits eliminate digital noise and BEEP sounds.
●Features
1)
Built-in 1W+1W stereo speaker amplifier (Vcc=5V, RL=8
, THD=10%)
2)
Built-in stereo headphone amplifier
3)
Built-in bass boost function for speaker amplifier
4)
Built-in low noise VCA (electronic volume) for headphone
5)
Built-in mute circuit
6)
Built-in standby circuit
7)
Low current consumption specifications (9 mA TYP. in ACTIVE mode, 0.2
μA TYP. in SUSPEND mode)
●Applications
Notebook computers, LCD TVs, etc.
●Absolute maximum ratings(Ta=25℃)
Parameter
Ratings
Unit
Supply voltage
+6.0
V
Power dissipation
1100
*1
mW
Storage temperature
-55 ~ +125
℃
Operating temperature
-10 ~ +70
℃
*1
Reduced by 11 mW/℃ at 25℃ or higher, when mounting on a 70mmX70mmX1.6mm PCB board).
●Operating Conditions (Ta=25℃)
Parameter
Ratings
Unit
Supply voltage
+3.0~+5.5
V
*
This IC is not designed to be radiation-resistant.
No.10077EAT06
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