Ordering number: EN 4957A Monolithic Linear IC LA7890 RGB Cutoff Adjustment IC Overview Package Dimensions 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. unit : mm 3043A-SIP10 [LA7890] Function . Operational amplifier Features . DC control . Temperature drift stability . 100 V maximum supply voltage SANYO : SIP10 Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Symbol Conditions VCC max Pd max Ta % 75°C Ratings Unit 100 V 400 mW Operating temperature Topr –10 to +75 °C Storage temperature Tstg –55 to +150 °C Ratings Unit Recommended Operating Conditions at Ta = 25°C Parameter Recommended supply voltage Operating supply voltage Symbol VCC VCC op Conditions 80 V 60 to 90 V SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN O3096HA(II)/41495TH(ID) No.4957-1/3 LA7890 Operating Characteristics at Ta = 25°C, VCC = 80 V Parameter Current drain Minimum reference voltage Maximum reference voltage Minimum output voltage Maximum output voltage High-level output voltage Mid-level output voltage Low-level output voltage Symbol ICC VREF min VREF max VOUT min (R) VOUT min (G) VOUT min (B) VOUT max (R) VOUT max (G) VOUT max (B) VOUT high (R) VOUT high (G) VOUT high (B) VOUT mid (R) VOUT mid (G) VOUT mid (B) VOUT low (R) VOUT low (G) VOUT low (B) Conditions When 6 V DC is applied to TP1, TP3 and TP5, and 9 V is applied to TP7 Reference value Reference value min typ max Unit 1.9 2.2 2.7 mA 0 75 0.3 0.3 0.3 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 77 77 77 67 67 67 37 37 37 7 7 7 69 69 69 39 39 39 9 9 9 71 71 71 41 41 41 11 11 11 V V V V V V V V V V V V V V V V V Internal Equivalent Circuit Block Diagram Test Circuit No. 4957-2/3 LA7890 Sample Application Circuit Braun tube (CRT) No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. Anyone purchasing any products described or contained herein for an above-mentioned use shall: 1 Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: 2 Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of October, 1996. Specifications and information herein are subject to change without notice. No. 4957-3/3