PDF NJU72750A Data sheet ( Hoja de datos )

Número de pieza	NJU72750A
Descripción	7-INPUT / 3-OUTPUT DUAL ANALOG SWITCH
Fabricantes	New Japan Radio
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No Preview Available ! 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 ■ 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 InA5 InA6 InA7 InB1 InB2 InB3 InB4 InB5 InB6 InB7 OutA1 OutA2 OutA3 OutB1 OutB2 OutB3 Ver.0.4E -1- 1 page Terminal SYMBOL FUNCTION 30 ADR0 Chip address 0 31 ADR1 Chip address 1 NJU72750A EQUIVALENT CIRCUIT V+ 3.7kΩ V- VOLTAGE - -5- 5 Page NJU72750A  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 1 ADR1 ADR0 0 1 0 0 1 1 0 0 0 98H (ADR1 = Low, ADR0 = Low) 1 0 0 1 1 0 1 0 9AH (ADR1 = Low, ADR0 = High) 1 0 0 1 1 1 0 0 9CH (ADR1 = High, ADR0 = Low) 1 0 0 1 1 1 1 0 9EH (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00H MSB LSB Select Data Address D7 D6 D5 D4 D3 D2 D1 D0 00H A71 A61 A51 A41 A31 A21 A11 L-Imp A1 01H B71 B61 B51 B41 B31 B21 B11 L-Imp B1 02H A72 A62 A52 A42 A32 A22 A12 L-Imp A2 03H B72 B62 B52 B42 B32 B22 B12 L-Imp B2 04H A73 A63 A53 A43 A33 A23 A13 L-Imp A3 05H B73 B63 B53 B43 B33 B23 B13 L-Imp A4 - 11 - 11 Page

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Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
NJU72750A	7-INPUT / 3-OUTPUT DUAL ANALOG SWITCH	New Japan Radio

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