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Ordering number : EN4373A
93098HA (OT) / 63094TH (OT) B8-0558, 0391/N2792TS No. 4373-1/5
LA7860, 7860M
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Deflection IC Supports Multisynch Display
Monolithic Linear IC
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
Overview
The LA7860, 7860M display deflection integrated circuit
supports multisynch and high-definition displays.
Implemented through proprietary Sanyo circuit
technology, it offers unsurpassed low-noise performance.
Its outstanding characteristic is the simplified processing it
offers for screen settling in response to fluctuations in
horizontal scan frequency, which has required numerous
components and complex control procedures in the past.
This has been made possible through a combination of the
conventional phase shift function (H. SHIFT) with a new
horizontal oscillation frequency dependent phase shift
function (S. GAIN) implemented internally in the IC.
Control pins for various other internal functions support
control at 0 to 2.5V dc, making it possible to simply
control horizontal oscillation frequency and horizontal and
vertical image phase directly with a microcomputer. When
used in conjunction with an interface such as a DAC, it
will also support system bus applications.
Features
• Supports multisynch displays
• DC control
• Low noise
• Supports polar input signals
• TTL output
Functions
• Horizontal frequency independent screen phase shift (H.
SHIFT)
• Horizontal frequency dependent screen phase shift
(S. GAIN)
• Vertical screen phase shift (V. SHIFT)
• Horizontal oscillation frequency control (H. OSC)
• Horizontal synchronization and detection (H. LOCK)
• Vertical blanking output (V. BLK)
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LA7860, 7860M
No. 4373-2/4
Specifications
Maximum Ratings at Ta = 25°C
Note: 1. TC ≤ 100°C, Pd max = 0.95 W (The case temperature is the temperature of pin 23.)
2. Measured when mounted on a 100
× 70 × 1.15 mm glass epoxy printed circuit board.
Recommended Operating Conditions at Ta = 25 °C
Where Th is one horizontal cycle, and Tdelf is 20-pin operation period.
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
21
max 14 V
Maximum supply current I
14
max 75 mA
I
16
si max 10 mA
Maximum rush current I
24
si max 10 mA
I
25
si max 2 mA
FBP minimum input voltage V
IN18
min –5 V
Allowable power dissipation Pd max
[LA7860] 0.95 W
*1
Ta ≤ 70°C [LA7860M] 1.1 W
*2
Operating temperature Topr –10 to +70 °C
Storage temperature Tstg –55 to +150 °C
Parameter Symbol Conditions Ratings unit
Recommended supply voltage V
21
12 V
Recommended supply current I
14
60 mA
Operating supply voltage V
21
op 10.5 to 13.5 V
Operating supply current I
14
op 55 to 65 mA
Recommended input voltage V
1
2 Vp-p
V
30
2 Vp-p
Operating input voltage V
1
op 1.0 to 3.0 Vp-p
V
30
op 1.0 to 3.0 Vp-p
Maximum horizontal input width V
IN1
max 3/20 Th
Maximum vertical input width V
IN30
max 3 ms
Maximum FBP input width V
IN18
max 1/5 + Tdelf Th
Package Dimensions
unit: mm
3061-DIP30S
3073A-MFP30SD
[LA7860M]
[LA7860]
SANYO: MFP30SD
SANYO: DIP30S