Datasheet > BD78310UEFJ-M

BD78310UEFJ-M

更新时间： 2024-11-24 14:58:39

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
28页	1636K
描述
BD78310UEFJ-M is Class-AB monaural speaker amplifiers designed for automotive. Class-AB amplifiers

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BD78310UEFJ-M 数据手册

Datasheet

Class-AB Speaker Amplifier Series

1.2 W

Monaural Speaker Amplifier for Automotive

BD783xxEFJ-M Series (Including products under development)

General Description

Key Specifications

BD783xxEFJ-M Series are Class-AB monaural speaker

amplifiers designed for automotive. Class-AB amplifiers

have no requirements for care about EMI noise. Adopting

power package HTSOP-J8 achieves high output power.

Low quiescent current can reduce battery consumption.

Shutdown current is also very low (0.1 µA Typ) and pop

noise level when switching to shutdown is very small, so

this device is suitable for applications in which the mode

often changes between “shutdown state” and “active

state”.



Output Power

1.2 W (Typ)

(VDD = 5 V, R_L= 8 Ω, THD+N = 1 %)

Quiescent Current

Shutdown Current



2.5 mA (Typ)

0.1 µA (Typ)

Total Harmonic Distortion + Noise

(R_L= 8 Ω, f = 1 kHz)

Output Noise Voltage

Voltage Gain

0.05 % (Typ)^{(Note 2)}

15 μV_RMS(Typ)^{(Note 2)}

6.0 dB to 26.0 dB (Typ)



Operating Temperature Range -40 ºC to +105 ºC

(Note 2) Characteristic of BD78306EFJ-M

Package

HTSOP-J8

W (Typ) x D (Typ) x H (Max)

4.90 mm x 6.00 mm x 1.00 mm

Features



AEC-Q100 Qualified^{(Note 1)}

Pop Noise Reduction Function

Shutdown Function

Protection Functions

Over Current Protection

Thermal Shutdown

Under Voltage Lock Out (UVLO)



Power Package with Thermal Pad HTSOP-J8

(Note 1) Grade2

Applications



Automotive Instruments

HTSOP-J8

Typical Application Circuit

SDB

BIAS

INP

OUTN

GND

VDD

From System

Control

C₁

0.47 µF

C₄

10 µF

C₂

Input

VDD

Signal

0.47 µF

C₃

OUTP

INN

0.47 µF

Figure 1

〇Product structure : Silicon integrated circuit 〇This product has no designed protection against radioactive rays.

www.rohm.com

TSZ22111 • 14 • 001

TSZ02201-0C1C0EC00760-1-2

19.Jul.2019 Rev.001

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