LA1836M datasheet(2/13 Pages) SANYO

Part #	LA1836M

Description	Single-Chip Home Stereo Electronic Tuning IC

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Manufacturer	SANYO [Sanyo Semicon Device]

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

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Specifications

Maximum Ratings at Ta = 25°C

Note: * An 85

× 115 × 1.6 mm3 glass-epoxy printed circuit board.

Operating Conditions at Ta = 25°C

Electrical Characteristics at Ta = 25°C, VCC = 7.0 V unless otherwise specified

(MFP package using the Yamaichi Electric IC-51-0302-426MF socket)

No. 4787-2/13

LA1836, 1836M

Parameter

Symbol

Conditions

Ratings

Unit

Maximum supply voltage

VCC max

9.0

V

At Ta

≤ 70°C, on the recommended printed circuit board*

550

mW

Allowable power dissipation

Pd max

[LA1836, LA1836M]

At Ta = 70°C, independent IC [LA1836M only]

320

mW

Operating temperature

Topr

–20 to +70

°C

Storage temperature

Tstg

–40 to +125

°C

Parameter

Symbol

Ratings

Unit

Recommended supply voltage

VCC

7.0

V

Operating supply voltage range

VCC op

6.5 to 8.5

V

Parameter

Symbol

Conditions

min

typ

max

Unit

[FM characteristics (mono): fc = 10.7 MHz, fm = 1 kHz, with the coil adjusted at VREG – VAFC = 0 V]

Quiescent current

ICCO-FM

No input

37

50

mA

Demodulator output

VO-FM

100 dBµ, 100% mod, the pin 16 output

730

1100

1460

mVrms

Channel balance (mono)

C.B-mono

100 dBµ, 100% mod, the pin 16 output/pin 17 output

–1.5

0

+1.5

dB

Total harmonic distortion

THD-FM (1) 100 dBµ, 100% mod, the pin 16 output

0.3

1.3

%

THD-FM (2) 100 dBµ, 200% mod, the pin 16 output

1.5

8.0

%

S/N ratio

S/N-FM

100 dBµ, 100% mod, the pin 16 output

72

80

dB

AM suppression ratio

AMR

100 dBµ, AM 30% mod, the pin 16 output

40

60

dB

Input limiting voltage

–3dBL.S.

100 dBµ, referenced to 100% mod, a 3 dB down input

34

42

dBµ

LED on sensitivity

SD-On-FM

46

56

66

dBµ

LED on bandwidth

SD-BW

100 dBµ

90

125

170

kHz

IF count buffer output

VIFBuff-FM

100 dBµ, the pin 11 output

80

120

160

mVrms

VSM-FM (1) 0 dBµ, the pin 12 output

0

0.5

1.0

V

S-meter output

VSM-FM (2) 60 dBµ, the pin 12 output

1.8

3.2

4.5

V

VSM-FM (3) 100 dBµ, the pin 12 output

3.5

4.2

5.0

V

Muting attenuation

Mute-Att

100 dBµ, 100% mod, the pin 16 output

80

95

dB

[FM characteristics (stereo): fc = 10.7 MHz, fm = 1 kHz, L + R = 90%, pilot = 10%, VIN = 100 dBµ]

Separation - L

Sep-L

L mod, the pin 17 output/pin 16 output

30

45

dB

Separation - R

Sep-R

R mod, the pin 16 output/pin 17 output

30

45

dB

Stereo on level

ST-on

The pilot modulation such that V7 < 0.7 V

1.8

3.6

6.0

%

Stereo off level

ST-off

The pilot modulation such that V7 > 4.5 V

2.5

%

Total harmonic distortion (main)

THD-main

The pin 16 output

0.3

1.3

%

Channel balance (main)

C.B-main

The pin 16 output/pin 17 output

–1.5

0

+1.5

dB

Capture range

C.R

Pilot = 10%

±1.5

%

Adjacent channel interference

B.Rej.

fs = 113 kHz, Vs = 90%, pilot = 10%, the pin 16 output

40

dB

rejection ration

Continued on next page.

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