PDF NJU72751A Data sheet ( Hoja de datos )

Número de pieza	NJU72751A
Descripción	4-INPUT / 4-OUTPUT DUAL ANALOG SWITCH
Fabricantes	New Japan Radio
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No Preview Available ! NJU72751A 4-INPUT / 4-OUTPUT DUAL ANALOG SWITCH ■ GENERAL DESCRIPTION The NJU72751A is a 4-input / 4-output dual analog switch. Functions are controlled via two-wired serial bus. A-channel switches and B-channel switches are controlled independently. The NJU72751A is well-suited for multi-channel audio systems such as AV amplifiers, DVD receivers and others. ■ PACKAGE OUTLINE NJU72751AV ■ FEATURES  Operating Voltage  2-wired Serial BUS Control  Selectable 2-Chip Address  ON Resistance  Low Distortion  CMOS Technology  Package Outline ■ BLOCK DIAGRAM 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 InA1 InA2 InA3 InA4 InB1 InB2 InB3 InB4 OutA1 OutA2 OutA3 OutA4 OutB1 OutB2 OutB3 OutB4 Ver.0.3E -1- 1 page Terminal SYMBOL FUNCTION 2 ADR0 Chip address 0 31 ADR1 Chip address 1 NJU72751A EQUIVALENT CIRCUIT V+ 3.7kΩ V- VOLTAGE - -5- 5 Page NJU72751A  DEFINITION OF 2-wire REGISTER 2-wire BUS FORMAT MSB S Chip Address 1bit 8bit S: Starting Term P: Ending Term Chip Address LSB 1 1bit MSB Select Address 8bit LSB 1 1bit MSB Data 8bit MSB LSB 1 0 0 1 0 ADR1 ADR0 0 1 0 0 1 0 0 0 0 90H (ADR1 = Low, ADR0 = Low) 1 0 0 1 0 0 1 0 92H (ADR1 = Low, ADR0 = High) 1 0 0 1 0 1 0 0 94H (ADR1 = High, ADR0 = Low) 1 0 0 1 0 1 1 0 96H (ADR1 = High, ADR0 = High) LSB 1 1bit P 1bit Select Address The select address sets each function. The auto increment function cycles the select address as follows. 00H01H02H03H04H05H06H07H00H Select Address 00H MSB D7 Don’t Care 01H Don’t Care 02H Don’t Care 03H Don’t Care 04H Don’t Care 05H Don’t Care 06H Don’t Care 07H Don’t Care D6 Don’t Care Don’t Care Don’t Care Don’t Care Don’t Care Don’t Care Don’t Care Don’t Care D5 Don’t Care Don’t Care Don’t Care Don’t Care Don’t Care Don’t Care Don’t Care Don’t Care Data D4 D3 A41 A31 B41 B31 A42 A32 B42 B32 A43 A33 B43 B33 A44 A34 B44 B34 D2 A21 B21 A22 B22 A23 B23 A24 B24 LSB D1 D0 A11 L-Imp A1 B11 L-Imp B1 A12 L-Imp A2 B12 L-Imp B2 A13 L-Imp A3 B13 L-Imp B3 A14 L-Imp A4 B14 L-Imp B4 - 11 - 11 Page

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Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
NJU72751A	4-INPUT / 4-OUTPUT DUAL ANALOG SWITCH	New Japan Radio

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