BD5413EFV Datasheet PDF - ROHM Semiconductor
| Part Number | BD5413EFV | |
| Description | Analog Input / BTL Output Class-D Speaker Amplifier | |
| Manufacturers | ROHM Semiconductor | |
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Middle Power Class-D Speaker Amplifiers
Analog Input / BTL Output
Class-D Speaker Amplifier
BD5413EFV
No.10075EBT01
●Description
BD5413EFV is a 5W + 5W stereo class-D power amplifier specifically developed for low power consumption and low heat
generation applications like powered speakers. BD5413EFV employs the state-of-the-art BCD (Bipolar, CMOS and DMOS)
process technology to eliminate a turn-on resistance in the output power stage and an internal loss due to a wiring
resistance as much as possible, achieving a high performance of 80% (4W + 4W output with a load resistance of 8Ω). In
addition, BD5413EFV employs a compact power package which dissipates heat via the rear to achieve low power
consumption and low heat generation so that the need for connecting an external heat radiator can be eliminated up to a
total output of 12.8W. This product meets the needs for compact, thin sound generation systems and powerful, high-quality
sound reproduction.
●Features
1) Small output noise voltage capable of achieving a high S/N set
Input conversion noise voltage = 2.8μVrms
A bipolar differential is used for input amplifier to eliminate 1/f noise.
2) Support of power supply voltage ranging from 6V to 10.5V
A supply voltage range is supported that matches an AC adaptor or battery cell driven set.
When a set is battery driven, its operating time can be extended by means of a high performance class-D amplifier.
3) Support of low current consumption mode
A circuit current in shut-down mode is 1μA or less.
4) Built-in soft muting function for reducing pop at shut-down ON or OFF
When a signal is present, its smooth envelope waveform is realized owing to this function.
In addition, when no signal is present, pop generation is eliminated.
A transit time can be adjusted easily through the use of an external capacitor.
5) Realization of high efficiency and low heat generation
Efficiency = 80% (4W+4W (Vcc=9V, RL=8Ω) output can be made without using an external heat radiator.)
A compact power package HTSSOP-B24 (7.8mm x 7.6mm) is employed.
6) Built-in function for reducing pop generation at disconnection from the outlet
7) Support of function for sampling frequency selection
An internal PWM sampling frequency can be selected from three frequencies (200kHz, 250kHz and 300kHz).
Countermeasures against interference (beat noise) due to a switching power source can be taken as needed.
8) Realization of high reliability
Countermeasures against short-circuits due to output terminals shorted to VCC or ground can be taken
(support of automatic recovery).
A temperature protection circuit is incorporated (support of automatic recovery).
9) Support of ERROR pin
ERROR output takes place as a warning which indicates an error.
(short-circuits due to output terminals shorted to VCC or ground, or IC high temperature abnormality).
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
1/14
2010.05 - Rev.B
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BD5413EFV
●Electrical characteristic curves (Reference data) – Continued
Technical Note
www.DataSheet4U.com
SDX
Pin14
5V/ div
TS
Pin22
Speaker
Output
2V/ div
2V/ div
200 msec/ div
Vcc=9V
R L =8 Ω
Po= 500mW
fin= 100Hz
Fig. 13 Waveform at Soft Mute Reset
SDX
Pin14
TS
Pin22
Speaker
Output
5V/ div
2V/ div
2V/ div
200msec/div
Vcc=9V
RL=8Ω
Po= 500mW
fin= 100Hz
Fig. 14 Waveform at Soft Mute
VCCA
FIL
Pin2
5V/div
Vcc=9V
RL =8Ω
Po=500mW
fin=1kHz
Speaker
Output
2V/div
20msec/div
Fig. 15 Waveform at Instantaneous Power
Interruption (20msec/div)
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
5/14
2010.05 - Rev.B
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for BD5413EFV electronic component. |
| Information | Total 15 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ BD5413EFV.PDF Datasheet ] | |
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