LA75676M

No.A0832-2/9

Operating Conditions at Ta = 25

°C

Parameter

Symbol

Conditions

Ratings

Unit

Recommended supply voltage

VCC

5

V

Operating supply voltage range

VCC op

4.5 to 5.5

V

Electrical Characteristics at Ta

= 25°C, VCC = 5V, fp = 45.75MHz

Ratings

Parameter

Symbol

Conditions

min

typ

max

Unit

[VIF Block]

Circuit current

I5

32

40

48

mA

Maximum RF AGC voltage

V14H

VCC-0.5

VCC

V

Minimum RF AGC voltage

V14L

0

0.5

V

Input sensitivity

Vi

S1 = OFF

32

38

44

dB

µV

AGC range

GR

58

63

dB

Maximum allowable input

Vi max

95

100

dB

µV

Video output voltage (no input)

V6

3.5

3.8

4.1

V

Sync signal tip voltage

V6tip

0.9

1.2

1.5

V

Video output level

VO

1.7

2

2.3

Vp-p

Black noise threshold voltage

VBTH

0.5

0.8

1.1

V

Black noise clamp voltage

VBCL

1.6

1.9

2.2

V

Video signal-to-noise ratio

S/N

48

52

dB

C-S beating

IC-S

38

43

dB

Frequency characteristics

fc

6MHz

-3

-1.5

dB

Differential gain

DG

3

6.5

%

Differential phase

DP

3

5

°C

AFT voltage (no signal)

V13

2.0

2.5

3.0

V

Maximum AFT voltage

V13H

4.0

4.4

5.0

V

Minimum AFT voltage

V13L

0.18

1.0

V

AFT detection sensitivity

Sf

28

40

52

mV/kHz

VIF input resistance

Ri

45.75MHz

1.5

k

Ω

VIF input capacitance

Ci

45.75MHz

3

pF

APC pull-in range (U)

fpu

1.3

2.0

MHz

APC pull-in range (L)

fpl

-2.0

-1.4

MHz

AFT tolerance frequency 1

dfa1

-150

0

+150

kHz

VCO 1 maximum range (U)

dfu

1.5

2.0

MHz

VCO 1 maximum range (L)

dfl

-2.0

-1.5

MHz

VCO control sensitivity

B

1.3

2.7

5.4

kHz/mV

[SIF BLOCK]

Limiting sensitivity

Vli (lim)

39

45

51

dB

µV

FM detection output voltage*

VO (FM)

4.5MHz

±25kHz

400

520

660

mVrms

AMR

AMR

50

60

dB

Total harmonic distortion

THD

0.3

0.8

%

SIF signal-to-noise ratio

S/N (FM)

59

64

dB

4.5MHz output level

Vsout

SIF IN 80dB

µV

87

94

101

dB

µV

* : If a wider FM detection output dynamic range is required, insert a resistor and capacitor in series between pin 23 and ground to adjust the level.