BA7755 ROHM Electronics, BA7755 Datasheet
BA7755
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BA7755 Summary of contents
Page 1
... Two control systems, one for current control, and one for voltage control are provided, so the ICs can be used in cir- cuits that employ either method. By combining the BA7755A or BA7755AF with the BA7751ALS recording / playback amplifier possible to con- struct a compact recording / playback audio circuit. In addition, the BA7755A and BA7755AF are an excellent choice for a wide variety of other high-voltage switching applications. • ...
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... I CTRL1 (ON) — — CTRL1 (OFF) V 1.70 2.15 2.60 TH1 21.0 31.0 42.0 R CTRL2 BA7755A / BA7755AF Unit Unit V = 9V) CC Unit Conditions Pin4 “L” or “OPEN” A Pin5 “OPEN” Pin 4 “L” or “OPEN” mA Pin 5 control current: 200 A Pin 4 “L” or “OPEN” ...
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... When used with the BA7751ALS BA7755A Head V CC BA7751ALS 20 REC / EE Fig SW2 BA7755A / BA7755AF SW1 SW2 Between pins 2 and 3 OFF High impedance OFF ON Low impedance OFF High impedance ON ON High impedance V 1.4 [V] CC – – 200 [ A] When (approx) R ...
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... ALC VR. R SW1 LINE P PB 40dB SW7 18k + + + PB IN REC OUT BA7755A HEAD Fig.4 BA7755AF 0.2 0.3 0.1 BA7755A / BA7755AF PB REC EP MUTE MUTE OFF + + + BUFF. SW4 REC SW3 SW8 51k ...