Sanyo LA7890 Specifications
Ordering number: EN 4957A
Monolithic Linear IC
LA7890
RGB Cutoff Adjustment IC
Overview
The LA7890 is a DC-controlled, CRT display RGB cutoff
adjustment IC. It can be used for a wide range of applications,
regardless of whether they employ a Trinitron tube or a
dot-matrix tube display.
Package Dimensions
unit : mm
3043A-SIP10
[LA7890]
24.2
3.25
Function
6.5
.
Operational amplifier
Features
.
DC control
.
Temperature drift stability
.
100 V maximum supply voltage
7.7max
4.9
1.1min
1
1.22.540.67
0.5
10
0.25
1.5
SANYO : SIP10
Specifications
Maximum Ratings at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage V
Allowable power dissipation Pd max Ta % 75°C 400 mW
Operating temperature Topr –10 to +75 °C
Storage temperature Tstg –55 to +150 °C
max 100 V
CC
Recommended Operating Conditions at Ta = 25°C
Parameter Symbol Conditions Ratings Unit
Recommended supply voltage V
Operating supply voltage V
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.
CC
op 60 to 90 V
CC
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
80 V
O3096HA(II)/41495TH(ID) No.4957-1/3
LA7890
Operating Characteristics at Ta = 25°C, VCC=80V
Parameter Symbol Conditions min typ max Unit
Current drain I
Minimum reference voltage V
Maximum reference voltage V
Minimum output voltage
Maximum output voltage
High-level output voltage
Mid-level output voltage
Low-level output voltage
CC
min Reference value 0 V
REF
max Reference value 75 V
REF
V
min (R)
OUT
V
min (G) 0.3 V
OUT
V
min (B) 0.3 V
OUT
V
max (R)
OUT
V
max (G) 77 V
OUT
V
max (B) 77 V
OUT
V
high (R)
OUT
V
high (G) 67 69 71 V
OUT
V
high (B) 67 69 71 V
OUT
mid (R)
V
OUT
V
mid (G) 37 39 41 V
OUT
V
mid (B) 37 39 41 V
OUT
V
low (R)
OUT
V
low (G) 7 9 11 V
OUT
V
low (B) 7 9 11 V
OUT
Internal Equivalent Circuit Block Diagram
When 6 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
When 12 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
When 0 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
When 3 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
When 6 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
When 9 V DC is applied to TP1, TP3 and
TP5, and 9 V is applied to TP7
1.9 2.2 2.7 mA
0.3 V
77 V
67 69 71 V
37 39 41 V
7911V
Test Circuit
No.4957-2/3
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