MITSUMI

IC for Headphone Stereos LAG665

Switch Matrix

Switch Number

Conditions

Item

123456789 10 11

(Except where noted otherwise,

Consumption current

c

c

a

b

b

a

b

b

b

a

a

IM=0mA, VR=max.

Amp unit

Closed-circuit gain

bbb

Vo=-10dBm

Maximum output voltage

THD=10%

Total harmonic distortion ratio

Vo=400mVrms

Output noise voltage

cc

Measured after inserting BPF (30 Hz to 20 kHz)

Preamp unit

b

VO=-10dBm, measured with channels swapped

Crosstalk between channels

using SW1, SW2

cb

Output voltage with preamp off ba

Maximum input voltage

aaa

Maximum attenuation

Attenuator unit

output voltage when VR=min

Voltage gain

Voltage gain difference

Channel output difference at VR=max

between channels

Maximum output power Ib

a

Ω, THD=10%

Maximum output power II

a

b

Ω, THD=10%

Power amp unit

Total harmonic distortion ratio

Crosstalk between channels

c

ca

output voltage when VR=min

Output noise voltage

c

b

VR=min.

Ripple rejection

b

a

b

VR=max.

Pre + power noise

a

b

a

VR=max.

Consumption currentt

a

a

IM=0mA

Startup current

b

Reference voltage

a

IM=100mA (15~16PIN)

Reference voltage fluctuation I

Motor uni

Reference voltage fluctuation II

Vcc=3.0V, IM=25~250mA

Output voltage on forced on

a

IM=200mA

Leakage current on forced off

ba

b

Characteristics

10.0

1.0

0.1

0.01

-30

-20

-10

0

Output voltage (dBm)

0/6

1/6

2/6

3/6

4/6

5/6

6/6

(min.)

(max.)

0

-20

-40

-60

-80

Voltage controllability

(B curve mechanical knob)

Preamp

Attenuator

Note: For switches with only on and off states, a = on and b = off.