LA75525AVA 반도체 회로 부품 판매점
VIF/SIF Signal-Processing IC
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 Sanyo Semicon Device |
www.DataSheet.co.kr
Ordering number : ENA1256
LA75525AVA
Monolithic Linear IC
For TV and VCR sets
VIF/SIF Signal-Processing IC
Overview
The LA75525AVA is a completely adjustment-free NTSC VIF/SIF signal-processing IC for TV sets and VCRs. It supports
IF frequencies of 45.75MHz. It integrates an automatic adjustment circuit for the VCO, an AFT circuit, and an audio carrier
trap circuit on the same chip and requires the input of either a 4MHz or 3.58MHz reference signal.
Functions
• VIF block: VIF amplifier, buzz canceller, IF-VCO, PLL detector, IF-AGC, RF-AGC, digital AFT, equalizer amplifier
• 1stSIF block: 1stSIF amplifier,1stSIF detector
• SIF block: Limiter amplifier, PLL FM detector
• Others: reference frequency changeover SW, AFT mute voltage SW
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Circuit voltage
Symbol
VCC max
V12
Conditions
Circuit current
I5
I9
I24
Allowable power dissipation
Pd max
Ta ≤ 75°C, Mounted on a specified board *
Operating temperature
Topr
Storage temperature
Tstg
* Specified board: 114.3mm×76.1mm×1.6mm, glass epoxy board.
Ratings
6
VCC
-3
-7
-2
500
-20 to +75
-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.
41509 MS 20080618-S00001 No.A1256-1/10
Datasheet pdf - http://www.DataSheet4U.net/
www.DataSheet.co.kr
LA75525AVA
Recommended Operating Conditions at Ta = 25°C
Parameter
Recommended supply voltage
Operation supply voltage
Symbol
VCC
VCC op
Conditions
Electrical Characteristics at VCC=5V, S7, S9: Short
Parameter
Symbol
Conditions
VIF Block
Circuit current (external trap)
Max RFAGC voltage
Min RFAGC voltage
Input sensitivity
I4(EXT)
V14H
V14L
Vi
AGC range
GR
Max allowable input
Vi max
No-signal state video output
voltage (Ext TRAP)
Sync signal edge voltage
V5
V5tip
Video output level (External trap) VOT
Black noise threshold voltage
VBTH
Black noise clamp voltage
VBCL
Video S/N (External trap)
S/N(EXT)
C-S beat
IC-S
Frequency characteristics
Fc
Differential gain
DG
Differential phase
DP
No-signalt AFT voltage
V12
Max AFT voltage
V12H
Min AFT voltage
V12L
AFT detection sensitivity
Sf
AFT output resolution
Res-aft
VIF input resistance
Ri
VIF input capacity
Ci
APC pull-in range (U)
Fpu
APC pull-in range (L)
Fpl
1st SIF block: Pin 13 41.25MHz input
Conversion gain
VG
Output level
SIF output gain
SO
Gbpf
1st SIF max input
Si max
1st SIF input resistance
Ri(SIF)
1st SIF input capacity
Ci(SIF)
SIF block: Pin 13 41.25MHz input
Limiting sensitivity
Vli(lim)
FM detection output voltage
AMR
VOFM
AMR
Distortion factor
THD
SIF S/N
S/N(FM)
Control block
Inter carrier control voltage
AFT mute level control voltage
Others
Reference clock input level
V13
V15
Reflev
Reference frequency SW
threshold resistance value
R11
External Trap
Video out2
External Trap
P/C = P/S = 10dB
6MHz
pin 15 to GND
S = 40dBµ
S = 80dBµ
Reference to SIF input (Pin 1)
41.25MHz
41.25MHz
+/-25kHz
4.0MHz
Ratings
5
4.5 to 5.5
Unit
V
V
Ratings
Unit
min typ max
60
VCC-0.5
34
58
95
1.85
70
VCC
0
40
63
100
2.2
0.8
0.89
0.40
1.2
48
38
-3
2.0
VCC-1
0
8.5
2.0
1.0
1.05
0.65
1.5
52
43
-1.5
3
3
2.5
VCC-0.5
0.18
12.5
3.125
1.0
3
2.4
-2.4
80 mA
V
0.5 V
46 dBµV
dB
dBµV
2.55
V
1.2
1.21
0.90
1.8
6.5
5
3.0
VCC
1
16.5
-2.0
V
Vpp
V
V
dB
dB
dB
%
deg
V
V
V
mV/kHz
kHz/bit
kΩ
pF
MHz
MHz
37 43 49 dB
100 110 120 dBµV
0 3 6 dB
100 110
dBµV
2 kΩ
3 pF
50 56 62 dBµV
420 600 780 mVrms
50 60
dB
0.3 0.8 %
59 65
dB
0.3 V
0.3 V
83 90
150 270
95 dBµV
kΩ
No.A1256-2/10
Datasheet pdf - http://www.DataSheet4U.net/
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