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Sanyo Electric Components Datasheet

LA75676M Datasheet

IF Signal Processor (VIFSIF)

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Ordering number : ENA0832
LA75676M
Monolithic Linear IC
For TV and VCR Products
IF Signal Processor (VIF+SIF)
Overview
The LA75676M is a VIF/SIF IC that supports NTSC intercarrier reception and adopts a semi-adjustment-free design. It is
provided in the MFP24S (300mil, 1.0mm lead pitch) package, which is appropriate for miniature 2-in-1 tuner products. In
the VIF block, it adopts a design that uses AFT adjustment to obviate the need for VCO adjustment, and thus can simplify
the adjustment steps required in end product manufacturing. It uses a PLL technique for FM detection. It features the 5V
supply voltage appropriate for multimedia products. In addition, it achieves superb audio quality by incorporating a buzz
canceller that suppresses Nyquist buzzing.
Functions
VIF block: VIF amplifier, buzz canceller, PLL detector, IF AGC, RF AGC, AFT, and an equalizer amplifier
SIF block: Limiter amplifier, PLL FM detector
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Circuit voltage
Circuit current
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
V13, V17
I6
I10
I24
Pd max
Topr
Tstg
Conditions
Ta 70°C * Mounted on a board
* When mounted on a 114.3×76.1×1.6mm3, glass epoxy board.
Ratings
6
VCC
-3
-10
-2
400
-20 to +70
-55 to +150
Unit
V
V
mA
mA
mA
mW
°C
°C
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
42507 MS PC B85186,B8-5034,B8-4968 No.A0832-1/9
Datasheet pdf - http://www.DataSheet4U.net/


Sanyo Electric Components Datasheet

LA75676M Datasheet

IF Signal Processor (VIFSIF)

No Preview Available !

www.DataSheet.co.kr
Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operating supply voltage range
Symbol
VCC
VCC op
LA75676M
Conditions
Ratings
5
4.5 to 5.5
Unit
V
V
Electrical Characteristics at Ta = 25°C, VCC = 5V, fp = 45.75MHz
Parameter
[VIF Block]
Symbol
Conditions
Ratings
min typ max
Unit
Circuit current
I5
32 40 48 mA
Maximum RF AGC voltage
Minimum RF AGC voltage
V14H
V14L
VCC-0.5
VCC
0
V
0.5 V
Input sensitivity
Vi S1 = OFF
32 38 44 dBµV
AGC range
GR
58 63
dB
Maximum allowable input
Vi max
95 100
dBµV
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
Black noise threshold voltage
VO
VBTH
1.7 2 2.3 Vp-p
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
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 dBµV
FM detection output voltage*
AMR
VO (FM)
AMR
4.5MHz ±25kHz
400 520 660 mVrms
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 80dBµV
87 94 101 dBµV
* : 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.
No.A0832-2/9
Datasheet pdf - http://www.DataSheet4U.net/


Part Number LA75676M
Description IF Signal Processor (VIFSIF)
Maker Sanyo Semicon Device
Total Page 9 Pages
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