NJU72750A

NJU72750A 7-INPUT / 3-OUTPUT DUAL ANALOG SWITCH ■ GENERAL DESCRIPTION The NJU72750A is a 7-input / 3-output dual analog switch. Functions are controlled via two-wired serial bus. A-channel switches and B-channel switches are controlled independently. The NJU72750A is well-suited for multi-channel audio systems such as AV amplifiers, DVD receivers and others. ■ PACKAGE OUTLINE NJU72750AV ■ FEATURES  Operating Voltage  2-wired Serial BUS Control  Selectable 2-Chip Address  ON Resistance  Low Distortion  CMOS Technology  Package Outline Dual power supply: ±4.5 to ±7.5V Single power supply: +9.0 to +15.0V Available for using four chips on same serial bus line 15Ω typ. 0.0004% typ. (VIN=1Vrms) SSOP32 ■ BLOCK DIAGRAM InA1 InA2 InA3 InA4 InA5 InA6 InA7 InB1 InB2 InB3 InB4 InB5 InB6 InB7 OutA1 OutA2 OutA3 OutB1 OutB2 OutB3 Ver.0.5E -1- NJU72750A ■ PIN CONFIGURATION 32 17 No. Symbol 1 V+ 2 InA1 3 InB1 4 InA2 5 InB2 6 InA3 7 InB3 8 InA4 9 InB4 10 InA5 11 InB5 12 InA6 13 InB6 14 InA7 15 InB7 16 REF 1 Function Power supply (+) Ach Input terminal 1 Bch Input terminal 1 Ach Input terminal 2 Bch Input terminal 2 Ach Input terminal 3 Bch Input terminal 3 Ach Input terminal 4 Bch Input terminal 4 Ach Input terminal 5 Bch Input terminal 5 Ach Input terminal 6 Bch Input terminal 6 Ach Input terminal 7 Bch Input terminal 7 Digital block reference voltage terminal 16 Symbol 17 DATA 18 CLOCK 19 NC 20 NC 21 OutB3 22 OutA3 23 REF_B 24 OutB2 25 OutA2 26 REF_A 27 OutB1 28 OutA...