LA72910V_09 datasheet(3/10 Pages) SANYO

No de pièce	LA72910V

Description	FM Modulator and Demodulator IC

Download	10 Pages

Scroll/Zoom	100%

Fabricant	SANYO [Sanyo Semicon Device]

Site Internet	https://www.sanyo-av.com/us/

Logo

3 / 10 page

LA72910V

No.A0783-3/10

Video FM De-modulation Block (DEMOD) T6=0.4V,T9=2.0V

Ratings

Parameter

Symbol

In

OUT

Conditions

min

typ

max

Unit

Current dissipation

ICCP

Measure the currents into pin 2 (DEMOD mode)

24.0

28.0

32.0

mA

Video output level

VOUT

T5A

T3

Demodulation level, when the FM signal of

2.2MHz deviation. Load impedance = 1k

Ω

T3-GND.

2.09

2.2

2.31

Vpp

Video output level B

VOUTB

T5A

T3

Demodulation level, when the FM signal of

2.0MHz deviation. Load impedance = 1k

Ω

T3-GND.

In this case only, VCC make 4.5V to 5.5V.

1.9

2.0

2.1

Vpp

FM stop detection level

(DOC characteristic 1)

DOC1

T5A

T12

T10

T12

T5 = 11.5MHz, 300mVp-p. Measure T12 voltage

(V12). Set T12 V12 (AGC-Fix). T5 input level

when T5 amplitude is decrease gradually, and

T10 becomes "Low"

40

60

mVp-p

(Drop Delay Down)

DDD

T5A

T12

T10

T12

Shift time from T5=300mVp-p→0mVp-p to

T10”Low”.

0.5

1.5

2.5

µsec

FM return judgment

level

DOC2

T5A

T12

T10

T12

T5=11.5MHz, 300mVpp, Measure T12 Voltage

(V12). Set T12 V12 (AGC-Fix). T5 inputs the level

when T5 amplitude is increase gradually, and T10

becomes "High"

60

90

mVp-p

Video DC level when

returning

DOC2B

T5A

T12

T15

Confirmation of output of Video signal from T3.

Measurement of DC level.

0.5

1.0

1.5

V

(Drop Delay Rise)

Return operation delay

time

DWR

T5A

T12

T10

T12

Shift time from T5 = 0mVp-p

→300mVp-p to

T10”High”

0.2

1.5

2.5

µsec

4V Regulator

VREG

T4

Measurement of T4 DC level.

3.9

4.0

4.3

V

Range of input

Dynamic range

ACIN5

T5A

T3

DEV = 2.0MHz. Input amplitude level of FM

signal. (T5A: 11.5MHz to 13.5MHz)

500

1000

mVp-p

DG

T5A

T3

0

6

10

%

DP

T5A

T3

0

6

10

deg

Output voltage at mute

MUV

T3

Mute level measurement of T3

0

10

20

IRE

FM demodulation

voltage

(11.0M)

VDEM11

VDEM12

VDEM13

T5A

T15

T5A = 11MHz, 100mVp-p, 200mVp-p and

400mVp-p.

Each T15 voltage measurement

0.3

0.8

1.3

V

FM demodulation

voltage

(12.5M)

VDEM21

VDEM22

VDEM23

T5A

T15

T5A = 12.5MHz, 100mVp-p, 200mVp-p and

400mVp-p.

Each T15 voltage measurement

0.7

1.2

1.7

V

FM demodulation

voltage

(14.0M)

VDEM31

VDEM32

VDEM33

T5A

T15

T5A = 14MHz, 100mVp-p, 200mVp-p and

400mVp-p

Each T15 voltage measurement

1.1

1.6

2.1

V

FM demodulation

linearity1.2.3

LDEM1

LDEM2

LDEM3

Calculate FM demodulation linearity

LDEM1 = {[VDEM21 - (VDEM11 + VDEM31) / 2]

/ (VDEM31 - VDEM11)}

×100

LDEM2 = {[VDEM22 - (VDEM12 + VDEM32) /2 ]

/ (VDEM32 - VDEM12)}

×100

LDEM3 = {[VDEM23 - (VDEM13 + VDEM33) / 2]

/ (VDEM33 - VDEM13)}

×100

-2

0

+2

%

FM demodulation

Sensitivity1.2.3

SDEM1

SDEM2

SDEM3

Calculate FM recovery Sensitivity with consider

pin3 output level conversion ratio.

SDEM1 = (VDEM31-VDEM11)/2.5

SDEM2 = (VDEM32-VDEM12)/2.5

SDEM3 = (VDEM33-VDEM13)/2.5

0.28

0.33

0.38

V/MHz

Main linear

de-emphasis

amplitude

GMED

T5A

T15

T5=200mVp-p FM signal

(fm = 10kHz,Center Carrier = 12.5MHz,

DEV = 1.0MHz) Signal level of T15

243

270

297

mVp-p

Main linear

de-emphasis

Characteristics(1)

GMED1

T5A

T15

T5 = 200mVp-p FM signal (fm = 500kHz, Center

Carrier = 12.5MHz, DEV = 1.5MHz). Signal level

of T15 versus GMRD (Ratio of GMED).

-8.0

-6.0

-4.0

dB

Main linear

de-emphasis

Characteristics(2)

GMED2

T5A

T15

T5 = 200mVp-p FM signal (fm = 2MHz, Center

Carrier = 9.25MHz, DEV = 1.5MHz). Signal level

of T15 versus GMRD (Ratio of GMED)

-11.0

-9.0

-7.0

dB

Numéro de pièce similaire - LA72910V_09

Fabricant	No de pièce	Fiches technique	Description
ON Semiconductor	LA72910V-TLM-E	164Kb / 10P	FM Modulator and Demodulator IC July, 2013

More results

Description similaire - LA72910V_09

Fabricant	No de pièce	Fiches technique	Description
Sanyo Semicon Device	LA72912V	196Kb / 12P	FM Modulator and Demodulator IC
ON Semiconductor	LA72914V-TLM-H	223Kb / 9P	FM Modulator and Demodulator IC July, 2013
ON Semiconductor	LA72910V-TLM-E	164Kb / 10P	FM Modulator and Demodulator IC July, 2013
Sanyo Semicon Device	LA72910V	164Kb / 10P	Monolithic Linear IC FM Modulator and Demodulator IC
Sanyo Semicon Device	LA72914V	296Kb / 9P	Monolithic Linear IC FM Modulator and Demodulator IC
Agilent(Hewlett-Packard...	HPMX-5002	162Kb / 14P	IF Modulator/Demodulator IC
Panasonic Semiconductor	AN614	39Kb / 3P	Video amplifier, modulator/demodulator IC
New Japan Radio	NJM2590	60Kb / 2P	455kHz INPUT FM IF DEMODULATOR IC
	NJM2592	297Kb / 16P	470MHz INPUT MIXER AND 455kHz FM IF DEMODULATOR IC
	NJM2593	266Kb / 16P	50MHz INPUT MIXER AND 450kHz FM IF DEMODULATOR IC

More results

LA72910V Fiches technique(PDF) 3 Page - Sanyo Semicon Device

LA72910V Fiches technique(HTML) 3 Page - Sanyo Semicon Device

Numéro de pièce similaire - LA72910V_09

Description similaire - LA72910V_09

Html Pages

1 2 3 4 5 6 7 8 9 10

Fiches technique Télécharger

Lien URL