BD37524FS-E2 datasheet(3/26 Pages) ROHM

Il numero della parte	BD37524FS-E2

Spiegazioni elettronici	Sound Processor with Built-in 3-band Equalizer

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Produttore elettronici	ROHM [Rohm]

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Technical Note

3/25

BD37524FS

www.rohm.com

2010.03 - Rev.A

●Electrical characteristics

(Unless specified particularly, Ta=25℃, VCC=8.5V, f=1kHz, Vin=1Vrms, Rg=600

Ω, RL=10kΩ, A1 input, Input gain 0dB,

Mute off, Volume 0dB, Tone control 0dB, Loudness 0dB, LPF OFF, Fader 0dB)

Item

Symbol

Limit

Unit

Condition

Min.

Typ.

Max.

Current upon no signal

IQ

－

38

48

mA

No signal

Voltage gain

GV

-1.5

0

1.5

dB

Gv=20log(VOUT/VIN)

Channel balance

CB

-1.5

0

1.5

dB

CB = GV1-GV2

Total harmonic distortion 1

(FRONT,REAR)

THD+N1

－

0.001

0.05

％

VOUT=1Vrms

BW=400-30KHz

Total harmonic distortion 2

(SUBWOOFER)

THD+N2

－

0.002

0.05

％

VOUT=1Vrms

BW=400-30KHz

Output noise voltage 1

(FRONT,REAR)＊

VNO1

－

3.8

15

μVrms

Rg = 0

Ω

BW = IHF-A

Output noise voltage 2

(SUBWOOFER)＊

VNO2

－

4.8

15

μVrms

Rg = 0

Ω

BW = IHF-A

Residual output noise voltage＊

VNOR

－

1.8

10

μVrms

Fader = -

∞dB

Rg = 0

Ω

BW = IHF-A

Cross-talk between channels＊

CTC

－

-100

-90

dB

Rg = 0

Ω

CTC=20log(VOUT/VIN)

BW = IHF-A

Ripple rejection

RR

－

-70

-40

dB

f=1kHz

VRR=100mVrms

RR=20log(VCC IN/VOUT)

Input impedance(A, B)

RIN_S

70

100

130

k

Ω

Input impedance (C,D,E)

RIN_D

175

250

325

k

Ω

Maximum input voltage

VIM

2.1

2.3

－

Vrms

VIM at THD+N(VOUT)=1％

BW=400-30KHz

Cross-talk between selectors＊

CTS

－

-100

-90

dB

Rg = 0

Ω

CTS=20log(VOUT/VIN)

BW = IHF-A

Common mode rejection ratio＊

CMRR

50

65

－

dB

CP1 and CN input

CP2 and CN input

CMRR=20log(VIN/VOUT)

BW = IHF-A

Minimum input gain

GIN MIN

-2

0

+2

dB

Input gain 0dB

VIN=100mVrms

Gin=20log(VOUT/VIN)

Maximum input gain

GIN MAX

18

20

22

dB

Input gain 20dB

VIN=100mVrms

Gin=20log(VOUT/VIN)

Gain set error

GIN ERR

-2

0

+2

dB

GAIN=+20～+1dB

Mute attenuation＊

GMUTE

－

-105

-85

dB

Mute ON

Gmute=20log(VOUT/VIN)

BW = IHF-A

Maximum gain

GV MAX

13

15

17

dB

Volume = 15dB

VIN=100mVrms

Gv=20log(VOUT/VIN)

Maximum attenuation＊

GV MIN

－

-100

-85

dB

Volume = -

∞dB

Gv=20log(VOUT/VIN)

BW = IHF-A

Attenuation set error 1

GV ERR1

-2

0

2

dB

GAIN & ATT=+15dB～-15dB

Attenuation set error 2

GV ERR2

-3

0

3

dB

ATT=-16dB～-47dB

Attenuation set error 3

GV ERR3

-4

0

4

dB

ATT=-48dB～-79dB

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