NJM2577 QUAD VIDEO DRIVER ■GENERAL DESCRIPTION The NJM2577 is a quad video driver. The NJM2577 includes LPF, 6dB amplifier and 75Ω Driver on all channels. The NJM2577 enable to control the Output Impedance. It is suitable for Video system for Europe. ■ PACKAGE OUTLINE NJM2577M ■FEATURES ● Operating Voltage ±5V ● Internal 6dB Amplifier ● Internal 75Ω Driver Circuit th ● Quad 5 order Butter worth Low Pass Filter ● Internal High Impedance output control switch ● 41dB Stop Band Rejection at 27MHz ● Bipolar Technology ● Package Outline DMP20 ■FUNCTION BLOCK DIAGRAM Vcc GND VEE IN 1 LP Filter 6dB 75Ω OUT 1 IN 2 LP Filter 6dB 75Ω OUT 2 IN 3 LP Filter 6dB 75Ω OUT 3 IN 4 LP Filter 6dB 75Ω OUT 4 High Z Cnt 1 High Z Cnt 2 -1- NJM2577 ■ PIN CONFIGURATION -2- Output 1 1 OUT 1 High Z Cnt 1 20 High Impedance Control 1 Power Supply 2 VCC 1 High Z Cnt 2 19 High Impedance Control 2 Input 2 3 IN 2 NC 18 NC Power Supply 4 VEE 1 IN 1 17 Input 1 GND 5 GND 1 GND 16 GND Input 3 6 IN 3 VCC 2 15 Power Supply Power Supply 7 VCC VEE 2 14 Power Supply Power Supply 8 VEE OUT 2 13 Output 2 Input 4 9 IN 4 OUT 3 12 Output 3 GND 10 GND 2 OUT 4 11 Output 4 NJM2577 ■ ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER SYMBOL RATING UNIT Supply Voltage Power Dissipation Operating Temperature Range VCC/VEE PD Topr ±7.5 450 (Note) -40 to +85 V mW °C Tstg -40 to +125 °C Storage Temperature Range (Note) At on a board of EIA/JEDEC specification. (11.43 x 76.2 x 1.6mm Two layers, FR-4) ■ ELECTRICAL CHARACTERISTICS (Ta=25°C) PARAMETER SYMBOL Operating Voltage TEST CONDITION MIN. TYP. MAX. UNIT ±4.5 ±5.0 ±5.5 V 20 30 39 mA MIN. TYP. MAX. UNIT Vin=1.0Vp-p 100kHz 6.0 6.4 6.8 dB FBW Vin=1.0Vp-p, 5MHz /100kHz -1.0 0 1.0- dB Fsb f=27MHz/100kHz, 1Vp-p -35 -41 - dB - 7.1 - MHz Vcc/VEE Supply Current Icc No Signal,No Load ● VIDEO SYSTEM (Ta=25°C, Vcc=5.0V,VEE=-5V, RL=150Ω unless otherwise specified.) PARAMETER SYMBOL Gain Frequency Response Characteristics Stop Band Rejection GV TEST CONDITION -3dB Bandwidth Fc Gain matching level Gm Out2, Out3, Out4 -5 0 5 % Total Harmonic Distortion THD f=1kHz, 1Vp-p input - 0.1 - % Cross talk CT Vin=4.43MHz, 1.0Vp-p - -60 - dB Differential Gain DG Vin=1Vp-p, 10step Stairs-signal - 0.4 - % Differential Phase DP Vin=1Vp-p, 10step Stairs-signal - 0.4 - deg Input Impedance Rin All Channel - 50 - KΩ Output Impedance Ro1 High Z Cont=”0” 10 20 - KΩ Output Impedance Equivalent Output Capacitance Group Delay Ro2 High Z Cont=”1” - 45 - mΩ Co High Z Cont=”0” - 3 - pF Tpd Vin=1Vp-p, 100kHz - 70 - nS ● SWITCH CONTROL ( Ta=25°C, Vcc=5.0V, VEE=-5V, RL=150Ω unless otherwise specified.) PARAMETER SYMBOL High Z Control Logic-High level High Z Control Logic-Low level TEST CONDITION MIN TYP MAX UNIT Vihz 2.0 - - V Vilz - - 0.8 V ● SWITCH CONTROL TABLE Control Signal Outputs Impedance 0* 1 * : Default setting High Impedance Through -3- NJM2577 ■ PIN DESCRIPTION PIN No. SYMBOL INSIDE EQUIVALENT CIRCUIT VOLTAGE VCC 1 11 12 13 OUT1 OUT3 OUT4 OUT2 0V VEE VCC 3 6 9 17 IN2 IN3 IN4 IN1 400Ω 0V 50kΩ VEE GND VCC 400Ω 19 20 HighZCnt1 HighZCnt2 1kΩ 0V 100kΩ VEE GND VCC 2 7 15 Vcc1 Vcc Vcc2 +5V VEE -4- NJM2577 PIN No. SYMBOL INSIDE EQUIVALENT CIRCUIT VOLTAGE VCC 400Ω 5 10 16 GND1 GND2 GND 0V 50kΩ VEE GND VCC 400Ω 4 8 14 VEE1 VEE VEE2 1kΩ 100kΩ -5V VEE GND -5- NJM2577 ■ TEST CIRCUIT OUT4 GND2 OUT2 VEE OUT3 VEE2 VCC 150Ω SW1 0.47uF + + 47uF 0.47 uF GND VCC TP4 47uF VEE TP6 SW11 IN4 VCC2 IN1 VEE1 GND1 NC IN2 VCC1 High Z cnt 1 OUT1 IN3 TP13 TP12 TP11 GND SW13 SW12 High Z cnt 2 SW20 SW19 TP20 TP19 TP1 -6- 150Ω 150Ω 150Ω 150Ω 150Ω TP17 TP9 NJM2577 ■ TYPICAL CHARACTERISTICS Frequency Response 10 Gain (dB) 0 -10 -20 -30 -40 -50 -60 0.1 1 10 100 Frequency (MHz) Normalized Frequency Response 2 Gain (dB) 0 -2 -4 -6 -8 -10 0.1 1 10 Frequency (MHz) 100 Group Delay 110 Delay (nS) 100 90 80 70 0.1 1.0 10.0 Frequency (MHz) [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. -7-