LB1412 datasheet(2/5 Pages) SANYO

Teilenummer	LB1412

Bauteilbeschribung	Level Meter Driver for 12 LEDs

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Hersteller	SANYO [Sanyo Semicon Device]

Direct Link	https://www.sanyo-av.com/us/

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Electrical Characteristics at Ta = 25°C, VCC =12 V

Parameter

Symbols

Pin No.

Conditions

min

typ

max

Unit

Input bias current

Amp (1)

IBIN1

7

−3

−0.2

0

µA

Output saturation

voltage

Amp (1)

VOH01

8

Pins 8, 9 short

10.5

11.2

11.6

V

Amp (1)

VOL01

8

Pins 8, 9 short

1.0

1.5

2.0

V

Voltage gain

Amp (1)

VGA1

30

100

dB

Input resistance

Amp (2)

RIN2

9

8

12

16

k

Ω

Load resistance

Amp (2)

R02

10

35

50

65

k

Ω

Output current

Amp (2)

IOL02

10

3

6

12

mA

Voltage gain

Amp (2)

VGA2

1.8

2.0

2.2

times

Output current

IOL

19, 22

D1, D5:3k

Ω across VZ and ILED

13

17

20

mA

Output saturation voltage

Vsat

17, 18,

19, 21,

22

D2 to D4, D6 to D7 : Output

Transistor on across VZ and ILED

1.0

1.3

V

Vsat

1 to 5

D8 to D12 : IOLD1 to D5 = 30 mA

1.5

2.0

V

Output leak current

loff

19, 22

D1, D5 : output transistor off

0

30

µA

loff

1 to 15

D8 to D12 : output transistor off

0

30

µA

Comparator level

D8

VTHD8

1

D8 : Voltage to turn on D8 by

applying DC voltage across VZ and

INZ

−0.625

−0.55

−0.465

V

D1

GD1

16

D8 light-up level:0dB

−23

−20

−17

dB

D2

GD2

17

D8 light-up level:0dB

−17

−15

−13

dB

D3

GD3

18

D8 light-up level:0dB

−12

−10

−8

dB

D4

GD4

19

D8 light-up level:0dB

−8

−7

−6

dB

D5

GD5

20

D8 light-up level:0dB

−6

−5

−4

dB

D6

GD6

21

D8 light-up level:0dB

−4

−3

−2

dB

D7

GD7

22

D8 light-up level:0dB

−1.5

−1

−0.5

dB

D9

GD9

2

D8 light-up level:0dB

0.5

1

1.5

dB

D10

GD10

3

D8 light-up level:0dB

2

3

4

dB

D11

GD11

4

D8 light-up level:0dB

4

5

6

dB

D12

GD12

5

D8 light-up level:0dB

7

8

9

dB

Reference voltage

VZ

12

3 k

Ω across VZ and ILED

5.6

6.3

6.8

V

R pin flow-out current

IOLR

11

VR = 0 V, OSC pin: open

−0.6

−0.3

−0.1

mA

R pin voltage

VR

11

OSC pin: open

0.4

0.7

0.9

V

Oscillation frequency

fOSC

13

1 M

Ω, 2.2 µF across VCC and VZ

1.5

2

2.5

s

Current drain

ICC

15

3k

Ω across VZ and ILED, all D

outputs off

915

mA

Pd max – Ta

Ambient temperature, Ta – °C

LB1412

No.1218-2/5

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