LA3246 datasheet(2/13 Pages) SANYO

Part #	LA3246

Description	Stereo Preamplifier for Compact Double Cassette Playback-only Use

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Manufacturer	SANYO [Sanyo Semicon Device]

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

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Operating Characteristics at Ta = 25°C, VCC = 6.0 V, RL =10kΩ,f=1 kHz, 0 dB = 0.775 V

Parameter

Symbol

Conditions

min

typ

max

Unit

Quiescent current

Icco

Nor/Nor speed forward

5

7

12

mA

Iccs

Metal/High speed forward

7

10

17

mA

Voltage gain (Open)

VGo

75

85

dB

Voltage gain (Closed)

VG

Nor/Nor speed, NAB

39.5

40.5

41.5

dB

Total harmonic distortion

THD

VO = 0.65 V, Nor/Nor speed

0.03

0.2

%

Maximum output voltage

VO max

THD = 1%, Nor/Nor speed

0.7

1.2

V

Crosstalk (between channels)

CT1

VO = –5 dBm, Rg = 2.2 kΩ, Nor/Nor speed

50

65

dB

Crosstalk (between F/R)

CT2

VO = –5 dBm, Rg = 2.2 kΩ, Nor/Nor speed

50

65

dB

Channel balance

VBL

VIN = –50 dBm

0

2

dB

Equivalent input noise voltage

VNI

Rg = 2.2 k

Ω, B.P.F 20 Hz to 20 kHz, Nor/Nor speed

0.9

1.7

µV

MIX output voltage

VOMIX

VO1, VO2 = 0 dBm

–3

0

+3dB

Ripple filter output current

IF OUT

10

15

mA

Electronic switch ON-state

resistance

Ron

Between P1 to P4 and 5, between pin 16 and 17

100

250

Ω

Between P1 to P7 and 10, between pin 10 and 14

30

70

Ω

DC feedback resistance

RF

240

300

360

Ω

Input bias current

IF

0.5

3.0

µA

Equivalent Circuit Block Diagram

Ambient temperature, Ta – °C

Pd max – Ta

Top view

LA3246

No.2651-2/13

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