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LA7567NM Datasheet

  • LA7567NM

  • TV and VCR VIF/SIF IF Signal-Processing Circuit with PAL/NTS...

  • 14頁

  • SANYO

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Ordering number : EN5765
Monolithic Linear IC
LA7567N, 7567NM
TV and VCR VIF/SIF IF Signal-Processing Circuit with
PAL/NTSC Multi-Format Audio Support
Overview
The LA7567N and LA7567NM are PAL/NTSC multi-
format audio VIF/SIF IF ICs that adopt a semi-
adjustment-free system. The VIF block adopts a technique
that makes AFT adjustment unnecessary by adjusting the
VCO, thus simplifying the adjustment steps in the
manufacturing process. PLL detection is adopted in the
FM detector to support multi-format audio detection. A
built-in SIF converter is included to simplify multi-format
system designs. A 5-V power-supply voltage is used to
match that used in most multimedia systems. In addition,
these ICs also include a buzz canceller to suppress Nyquist
buzz and provide high audio quality.
Package Dimensions
unit: mm
3067-DIP24S
[LA7567N]
Functions
[VIF]
鈥?VIF amplifier 鈥?PLL detector 鈥?BNC 鈥?RF AGC
鈥?EQ amplifier 鈥?AFT 鈥?IF AGC 鈥?Buzz canceller
[First SIF]
鈥?First SIF 鈥?First SIF detector 鈥?AGC
[SIF]
鈥?Multi-format SIF converter 鈥?Limiter amplifier 鈥?PLL
FM detector
SANYO: DIP24S
unit: mm
3112-MFP24S
[LA7567NM]
Features
鈥?Both AFT and SIF inductors built in, thus making
adjustment of external inductance unnecessary.
鈥?A PAL/NTSC multi-format audio system can be
constructed easily.
鈥?Built-in buzz canceller for excellent audio performance.
鈥?V
CC
= 5 V, low power dissipation (250 mW)
Specifications
Maximum Ratings
at Ta = 25擄C
Parameter
Maximum supply voltage
Circuit voltage
Symbol
V
CC
max
V13, V17
I6
Circuit current
I10
I24
Allowable power dissipation
Operating temperature
Storage temperature
Pd max
Topr
Tstg
TA
鈮?/div>
50擄C, Independent IC [LA7567NM]
*:
Mounted on a printed circuit board
TA
鈮?/div>
70擄C, Independent IC [LA7567N]
Conditions
SANYO: MFP24S
Ratings
6
V
CC
鈥?
鈥?0
鈥?
420
720
500
鈥?0 to +70
鈥?5 to +150
Unit
V
V
mA
mA
mA
mW
mW
mW
擄C
擄C
Note: When mounted on a 65
脳
72
脳
1.6 mm paper/phenolic resin printed circuit board.
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
50698RM (OT) No. 5765-1/14

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