LA72670BM

No.A0644-2/20

Operating Conditions

at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended operating

voltage 1

VCCH

9V

Recommended operating

voltage 2

VCCL

5V

Recommended always voltage

VCCA

5V

Allowable operating voltage 1

VCCH op1

8.5 to 9.5

V

Allowable operating voltage 2

VCCL op2

4.8 to 5.3

V

Allowable operating always

voltage

VCCA op3

4.5 to 5.5

V

Electrical Characteristics

at Ta

= 25°C, VCCH=9V, VCCL=5V, VCCA=5V

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

Current dissipation

REC&EE 9V

ICCR1

No signal, Inflow current at Pin 3/54

G1D8D7:00

57

65

mA

Current dissipation EE 5V

ICCE1

No signal, Inflow current at Pin 15/32/36/46

G1D8D7:00

72

84

mA

Current dissipation REC

5V

ICCR2

No signal, Inflow current at Pin 15/32/36/46

G1D8D7:00, G1D4:1

100

115

mA

Current dissipation PB 9V

ICCP1

No signal, Inflow current at Pin 3/54

G1D8D7:01

11

13

mA

Current dissipation PB 5V

ICCP2

No signal, Inflow current at Pin 15/32/36/46

G1D8D7:01

85

97

mA

Current dissipation

always power supply

ICCAL

No signal, Inflow current at Pin 5,

Mute H at Pin 49

1.6

2

mA

[EE through] (LINE IN (EXT1,2,3) to LINE OUT), EE mode, f=1kHz, L/R-ch

Output level 1

VO1

VIN=-28.2dBV, Gain1 (G3 D4:0)

-7.5

-9

-10.5

dBV

Output level 2

VO2

VIN=-28.2dBV, Gain2 (G3 D4:1)

-6.5

-8

-9.5

dBV

Output distortion

THD

VIN=-28.2dBV, Gain1, 2

0.05

0.15

%

Channel gain difference

∆VO

VIN=-28.2dBV, Gain1, 2

-1

0

1

dB

Maximum output level

VOM

THD=1%, Gain1, 2

7

8.5

dBV

Output noise level

VNO

Rg=1k

Ω, JIS-A filter, Gain1

-89

-85

dBV

Mute attenuation value

MU

VIN=-18.2dBV

-91

-80

dB

Input switch cross-talk

CT

VIN=-18.2dBV

-75

-68

dB

[Normal output] (LINE IN(EXT1/2/3) to NORMAL OUT(Pin 6)), EE mode, f=1kHz,G1D8D7:00

Output level for Normal

VONOR

VIN=-28.2dBV

-22

-21

-20

dBV

[BS through] (BS, IN to LINE OUT), f=1kHz, G2D6:1

Output level

VOTH

VIN=-21.2dBV, Gain1 (G3D4:0)

-10.5

-9

-7.5

dBV

[RFC output] (NORMAL IN to RFC OUT), f=1kHz, G2D3D4:10, G4D7:0

Output level

VOR

VIN=-21.2dBV, G4D2:0

-11.0

-9.5

-8.0

dBV

Output distortion

THDR

VIN=-21.2dBV, G4D2:0

0.05

0.2

%

ALC level (1)

VOAR1

VIN=-11.2dBV, G4D2:0

-7.0

-5.5

-4.0

dBv

ALC distortion (1)

THDAR1

VIN=-11.2dBV, G4D2:0

0.3

0.5

%

ALC level (2)

VOAR2

VIN= -11.2dBV, G4D2:1

-3.0

-1.5

0

dBv

ALC distortion (2)

THDAR2

VIN= -11.2dBV, G4D2:1

0.3

0.5

%

[LINE AMP] (NORMAL IN to LINE OUT), EE mode, f=1kHz, Left channel and Right channel, G2D4D3:10

Line amp gain

GVL

Gain1 mode, VIN=-21dBV

11

12

13

dB

[REC system] (LINE IN to VCO OUT), f=1kHz, G1D4:1(REC_MODE), G1D3D2;O1(EXT1), G3D8;0(NTSC), G4D5D6;00

Free-running frequency L

fOL

Input no signal

1.294

1.300

1.306

MHz

Free-running frequency R

fOR

Input no signal

1.694

1.700

1.706

MHz

Standard frequency deviation

L&R

DEV

VIN=-28.2dBV

±46

±50

±54

kHz

Carrier output level Lch

VfoL

Non modulation

450

500

550

mVp-p

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