LAG673D データシートの表示（PDF） - Mitsumi

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LAG673D

IC for Headphone Stereos

Mitsumi 

MITSUMI

IC for Headphone Stereos LAG673

Electrical Characteristics (Except where noted otherwise, Ta=25°C)

Item

Symbol

Measurement conditions

Consumption current

ICC

(excluding motor speed controller unit)

VIN=0V, IM=0mA

Preamp unit (Ta=25°C)

Open-circuit gain

Gvo

Vo=-10dBm, RL=∞

Closed-circuit gain

Gvc

Vo=-10dBm

Maximum output voltage

Vom

THD=10%

Total harmonic distortion ratio

THD

VOUT=400mVrms

Output noise voltage

Vno VIN=0V, Rg=2.2kΩ, BPF=30Hz~20kHz

Input impedance

Zin

VOUT=-10dBm

Crosstalk between channels

C·T

Rg=2.2kΩ, VOUT=-10dBm

Output voltage with preamp off

Vooff

VIN=100mVrms

Output resistance with preamp off Rooff

Input resistance with preamp off

Rioff

Attenuator unit (Ta=25°C)

Maximum input voltage

Vi max.

Maximum attenuation

Va max.

Vcont=min.

Attenuation error

Vaerr

Vcont=max.

Input impedance

Zia

Control pin input resistance

Zicot

Power amp unit (Ta=25°C)

Voltage gain

Gv

POUT=5mW

Voltage gain difference between channels

Gv

Vcont=max.

Maximum output power I

Pom

THD=10%, RL=32Ω

Maximum output power II

Pom

THD=10%, RL=16Ω

Total harmonic distortion ratio

THD

POUT=5mW

Crosstalk between channels

C·T

POUT=5mW

Output noise voltage

Vn

Rg=2.2kΩ, Vcont=min.

Ripple rejection

RR

100Hz, 100mVp-p

Noise of preamp + power amp

Vnto

VIN=0V, Rg=2.2kΩ, Vcont=max.

Motor control unit (Ta=25°C)

Consumption current

IMC

Startup current

IMS

Reference voltage

Vref

Between RML-ADJ pins

Reference voltage fluctuation I

Reference voltage fluctuation II

Vref1

Vref2

* VCC between 2.0 and 5.0V

IM between 25 and 250 mA

Reference voltage fluctuation III

Vref3

Ta between -10 and 50°C

Current coefficient

VRL

K

K=-------------

R1 IM

Current coefficient fluctuation I

K1

VCC between 2.0 and 6.5 V

Current coefficient fluctuation II

K2

IM between 25 and 250 mA

Current coefficient fluctuation III

K3

Ta between -10 and 60°C

Output voltage on forced on

VCEsa

TM=200mA

Input resistance on forced on

Rion

Leakage current on forced off

IML

Input resistance on forced off

Ricon

Conditions: VCC=3.0 V, IM = 100 mA Motor: M25E-7 (Mitsumi model)

*Voltage drift between pins 17 and 13

Min.

40

0.30

18

30

0.2

66

15

26

20

30

45

42

500

0.72

32

Typ.

18

72

42

0.45

0.05

150

22

10

10

0

20

100

28

0

28

0.2

55

0.25

50

6

3.0

0.80

0.05

0.01

0.01

38

0.5

0.05

0.02

5.6

33

Max. Units

25 mA

dB

44 dB

Vrms

0.5 %

300 µVrms

kΩ

dB

-50 dB

kΩ

kΩ

Vrms

dB

dB

kΩ

kΩ

30 dB

3 dB

mW

mW

2.0 %

dB

1.0 mVrms

dB

9 mVrms

5.0 mA

mA

0.87 V

%/V

%/mA

%/°C

43

%/V

%/mA

%/°C

0.6 V

kΩ

200 µA

kΩ

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