Datasheet > BD78320EFJ-ME2

BD78320EFJ-ME2

更新时间： 2022-12-01 22:22:37

品牌	Logo	应用领域
罗姆 - ROHM		/
页数	文件大小	规格书
28页	1636K
描述
Audio Amplifier,

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数据手册

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BD78320EFJ-ME2 数据手册

BD783xxEFJ-M Series (Including products under development)

Timing Chart – continued

2. Power down sequence

(1) Turn down voltage of the SDB pin and the VDD pin in order

(2)Turn down the VDD pin voltage.

VDD

t₅

(1)Turn down the SDB pin voltage to V_ILafter input signal is stopped.

V_IH

SDB

t₅-t₄≥0 s

2.0 V

0.3 V

t₁

t₂t₃

V_IL

t₃-t₂≤200 μs

BIAS

VDD/2

VDD/2 × 10 %

t₄

t₁-t₀≥0 s

(Maximum Turn Off Time) = t₄-t₃= 660 ms

C₁= 0.47 μF

INP

Stop input signal

VDD/2

t₀

OUTP

VDD/2

OUTN

VDD/2

BTL

(OUTP-OUTN)

Figure 18. Power Down Sequence

Caution:

Turn down the VDD pin voltage after waiting maximum Turn Off Time 660 ms (C₁= 0.47 μF) after setting the SDB pin

voltage low. Output waveform may be clipped if signal is still input after Turn Off starts.

www.rohm.com

TSZ22111 • 15 • 001

TSZ02201-0C1C0EC00760-1-2

19.Jul.2019 Rev.001

10/25

1...7 8 91011 12 13...28

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