|
If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
Datasheet File OCR Text: |
PRELIMINARY NJW1156 2-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR I GENERAL DESCRIPTION NJW1156 is a two channel electronic volume with 5 input selector. It's suitable for Input signal trimmer of audio equipments such as DVD / HDD recorder 2 and VCR. These functions are controlled by I C Bus. I FEATURES G Operating Voltage 2 G I C Bus control G 5 Input Selector G Volume G Bi-CMOS Technology G Package Outline I BLOCK DIAGRAM I PACKAGE OUTLINE NJW1156V 8 to 13V 0 to -39.5dB/0.5dBstep, MUTE SSOP20, DMP20 NJW1156M A/D I2C Interface INPUTS I2C Control V+ INPUTS GND V+ GND A/D -1- NJW1156 I PIN FUNCTION PRELIMINARY 20 11 1 10 I ABSOLUTE MAXIMUM RATING (Ta=25C) PARAMETER SYMBOL Power Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range V+ PD Topr Tstg No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SYMBOL GND R1IN R2 IN R3IN R4IN R5IN ROUT VSSOUT SCL SDA VDDOUT VREFOUT V+ VREFIN LOUT L5IN L4IN L3IN L2IN L1IN FUNCTION Ground R channel Input 1 R channel Input 2 R channel Input 3 R channel Input 4 R channel Input 5 R channel Output Internal VSS Noise Rejection Capacitor Terminal I2C Clock Input I2C Data Input Internal VDD Noise Rejection Capacitor Terminal Reference Voltage Output Power Supply Reference Voltage Noise Rejection Capacitor Terminal L channel Output L channel Input 5 L channel Input 4 L channel Input 3 L channel Input 2 L channel Input 1 RATING 15 375 -20 to +75 -40 to +125 UNIT V mW C C I ELECTRICAL CHARACTERISTICS (Ta=25C,V+=+12V) PARAMETER N Power Supply Operating Voltage Reference Voltage Supply Current N Input/Output Characteristics Maximum Output Voltage Voltage Gain 1 Voltage Gain 2 Voltage Gain 3 Voltage Gain Error Mute Level Output Noise Total Harmonic Distortion VOM GV1 GV2 GV3 GV Mute VNO THD f=1kHz,THD=1% Volume=0dB VIN=1Vrms, f=1kHz Volume=0dB VIN=1Vrms, f=1kHz Volume=-20dB VIN=1Vrms, f=1kHz Volume=-39.5dB VIN=1Vrms, f=1kHz Volume=-20dB , Ach - Bch f=1kHz, VIN=1Vrms Volume=Mute, A-weight Volume=0dB, Rg=0,A-weight f=1kHz,Vo=1Vrms, Volume=0dB BW : 400Hz - 30kHz f=1kHz,Vo=1Vrms, Volume=0dB Rg=0, A-weight 3.0 -0.5 -21 -42.0 -0.5 4.0 0 -20 -39.5 0 -100 -110 (3.2) 0.0015 0.5 -19 -37.0 0.5 -100 (10) 0.05 Vrms dB dB dB dB dB dBV (Vrms) % V+ Vref ICC No signal 8 5.5 12 6 4.5 13 6.5 6.8 V V mA SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT Channel Separation CS - -100 -90 dB -2- PRELIMINARY I I C BUS BLOCK CHARACTERISTICS (SDA,SCL) PARAMETER High Level Input Voltage Low Level Input Voltage High Level Input Current Low Level Input Current Low Level Output Voltage (3mA at SDA pin) Maximum Output Current Maximum Clock Frequency Data Change Minimum Waiting Time Data Transfer Start Minimum Waiting Time Low Level Clock Pulse Width High Level Clock Pulse Width Minimum Start Preparation Waiting Time Minimum Data Hold Time Minimum Data Preparation Time Rise Time Fall Time Minimum Stop Preparation Waiting Time SYMBOL VIH VIL IIH IIL VOL IOL fSCL tBUF tHD:STA tLOW tHIGH tSU:STA tHD:DAT tSU:DAT tR tF tSU:STO MIN. 2.5 0 0 -3.0 4.7 4.0 4.7 4.0 4.7 5.0 250 4.0 TYP. 2 NJW1156 MAX. 5.0 1.5 10 10 0.4 100 1.0 300 - UNIT V V A A V mA kHz s s s s s s ns s ns s I C BUS Load Condition: 2 Pull up resistance 4k (Connected to +5V) Load capacitance 200pF (Connected to GND) SDA tBUF tR tF tHD:STA SCL tHD:STA tLOW P S tHD:DAT tHIGH tSU:DAT Sr tSU:STA tSU:STO P -3- NJW1156 TERMINAL DESCRIPTION PIN NO. SYMBOL PRELIMINARY FUNCTION EQUIVALENT CIRCUIT TERMINAL DC VOLTAGE 2 3 4 5 6 16 17 18 19 20 R1IN R2IN R3IN R4IN R5IN L5IN L4IN L3IN L2IN L1IN R channel Input 1 R channel Input 2 R channel Input 3 R channel Input 4 R channel Input 5 L channel Input 5 L channel Input 4 L channel Input 3 L channel Input 2 L channel Input 1 V+ 300 50K GND VREF 50K VREF V /2 + V+ 400 7 15 ROUT LOUT Rch Output Lch Output V /2 + GND V+ VSS_OUT =Vref - 2.5V VDD_OUT =Vref + 2.5V V- (SUB) 8 11 VSS_OUT VDD_OUT Internal VSS Noise Rejection Capacitor Terminal Internal VDD Noise Rejection Capacitor Terminal 4K 9 SCL I C Clock Input 8K GND 2 - -4- PRELIMINARY TERMINAL DESCRIPTION PIN NO. SYMBOL FUNCTION EQUIVALENT CIRCUIT NJW1156 TERMINAL DC VOLTAGE 4K 10 SDA I C Data Input 8K GND 2 - V+ 400 12 VREFOUT Reference Voltage Output V /2 + GND 13 V+ Power Supply GND V+ V+ 50K 14 VREFIN Reference Voltage Noise Rejection Capacitor Terminal 50K V /2 + GND -5- NJW1156 I APPLICATION CIRCUIT PRELIMINARY 1 10F R1IN 10F R2IN 10F R3IN 10F R4IN 10F R5IN 10F ROUT 10F 8 7 6 5 4 3 2 GND 20 10F 19 10F 18 17 16 10F 15 10F VREFIN 14 1F 100F L1IN L2IN L3IN 10F L4IN 10F L5IN LOUT VSSOUT V+ I2C Interface 13 12 SCL SDA 9 10 VREFOUT VDDOUT 11 10F 10F -6- PRELIMINARY I DEFINITION OF I C REGISTER 2 I C BUS FORMAT MSB LSB MSB LSB MSB 2 NJW1156 LSB S 1bit Slave Address 8bit A 1bit Select Address 8bit A 1bit Data 8bit A 1bit P 1bit S: Starting Term A: Acknowledge Bit P: Ending Term SLAVE ADDRESS MSB LSB 1 0 0 0 0 0 1 0 CONTROL REGISTER TABLE The select address sets each function (Volume, Selector). The auto increment function cycles the select address as follows. 00H01H02H00H Select Address 00H 01H 02H BIT D7 Don't Care Don't Care Don't Care D6 D5 D4 D3 VOLa VOLb D2 D1 D0 TEST OFF Don't Care Selector CONTROL REGISTER DEFAULT VALUE Control register default value is all "0". Select Address 00H 01H 02H BIT D7 0 0 0 D6 0 0 0 D5 0 0 0 D4 0 0 0 D3 0 0 0 D2 0 0 0 D1 0 0 0 D0 0 0 0 -7- NJW1156 I CONTROL COMMAND TABLE a) Master Volume Select Address 00H 01H PRELIMINARY BIT D7 Don't Care Don't Care D6 D5 D4 D3 VOLa VOLb D2 D1 D0 *VOLa / VOLb : Ach and Bch volume level setting from 0dB to -39.5dB with 0.5dB step. VOLa / VOLb D3 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 *** 1 1 Gain (dB) 0 -0.5 -1 -1.5 -2 -2.5 -3 -3.5 -4 -4.5 -5 -5.5 -6 -6.5 -7 -7.5 -8 -8.5 -9 -9.5 -10 -10.5 -11 -11.5 -12 -12.5 -13 -13.5 -14 -14.5 -15 -15.5 -16 -16.5 -17 -17.5 -18 -18.5 -19 -19.5 -20 *** -39.5 Mute D6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 *** 1 1 D5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 *** 0 1 D4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 *** 0 1 D2 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 *** 1 1 D1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 *** 1 1 D0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 *** 1 1 -8- PRELIMINARY b)Input Selector Select Address 01H BIT D7 Don't Care NJW1156 D6 TEST D5 OFF D4 Don't Care D3 D2 D1 Selector D0 *Selector : Input signal selecting Selector Input L1IN / R1IN L2IN / R2IN L3IN / R3IN L4IN / R4IN L5IN / R5IN D2 0 0 0 0 1 D1 0 0 1 1 0 D0 0 1 0 1 0 -9- NJW1156 TYPICAL CHARACTERISTICS Operating Current vs. Supply Voltage Ta=25oC 4.5 4 3.5 Operating Current [mA] PRELIMINARY Voltage Gain vs. Attenuater Set Level Ta=25oC 0 -5 -10 Voltage Gain [dB] -15 -20 -25 -30 -35 -40 -45 L1,R1IN 3 2.5 2 1.5 1 0.5 0 0 5 10 Supply Voltage [V] THD+N vs. Input Level V +=12V, VOL=0dB, BW=10Hz-80kHz INPUT:L1IN, OUTPUT:LOUT 15 0 -5 -10 -15 -20 -25 -30 -35 -40 -45 Attenuator Set Level [dB] 10 THD+N vs. Input Level V +=12V, f=1kHz, BW=10Hz-80kHz INPUT:L1IN, OUTPUT:LOUT 10 -20dB 1 THD+N [%] 1 0.1 THD+N [%] -30dB 0.1 20kHz 0.01 0.01 0dB 20Hz,1kHz 0.001 -40 -20 0 Input Level [dB] 20 0.001 -40 -10dB -20 0 Input Level [dB] 20 Operating Current vs. Supply Voltage 5 5 Operating Current vs. Ambient Temperature V +=12V 4 Operating Current [mA] Operating Current [mA] 25oC 3 4.5 125oC 2 4 -40oC 1 3.5 0 0 5 10 15 Supply Voltage [V] 3 -50 0 50 100 150 Ambient Temperature [oC] - 10 - PRELIMINARY TYPICAL CHARACTERISTICS Voltage Gain vs. Ambient Temperature V +=12V,V in=1V,f=1kHz,Vol=0dB 1.0 -10 Attenuation Level vs. Ambient Temperature V +=12V,V in=1V,f=1kHz,Vol=-20dB NJW1156 0.5 Attenuation Level [dB] Voltage Gain [dB] -15 0.0 -20 -0.5 L1,R1IN -25 L1,R1IN -1.0 -50 0 50 100 150 Ambient Temperature [oC] Attenuation Level vs. Ambient Temperature V+=12V,Vin=1V,f=1kHz,Vol=-39.5dB -30 -30 -50 0 50 100 150 Ambient Temperature [oC] Attenuation Level vs. Ambient Temperature V+=12V,Vin=1V,f=1kHz,Vol=Mute -80 -85 -90 -35 Attenuation Level [dB] Attenuation Level [dB] -95 -100 -105 -110 -115 -120 -125 -50 -50 -130 -50 R1IN -40 -45 L1,R1IN L1IN 0 50 100 150 0 50 100 150 Ambient Temperature [oC] Ambient Temperature [oC] Maximam Output Voltage vs. Ambient Temperature V+=12V,f=1kHz,THD+N=1%,Vol=0dB 13.0 12.5 Maximum Output Voltage [dBV] Output Noise Level [dBV] 12.0 11.5 11.0 -60 -70 -80 -90 -100 -110 -120 Output Noise Level vs. Ambient Temperature V+=12V,Rg=0,Vol=0dB,A-w eight L1,R1IN 10.5 10.0 9.5 9.0 -50 0 50 100 150 Ambient Temperature [oC] R1IN L1IN 0 50 100 150 -130 -50 Ambient Temperature [oC] - 11 - NJW1156 TYPICAL CHARACTERISTICS THD+N vs. Ambient Temperature V +=12V,V in=1V,f=1kHz,THD+N=1%,Vol=0dB 10 PRELIMINARY 1 THD+N [%] 0.1 0.01 L1IN 0.001 -50 R1IN 0 50 100 150 Ambient Temperature [oC] - 12 - PRELIMINARY INOTE NJW1156 Purchase of I2C components of New Japan Radio Co., Ltd or one of its sublicensed Associated Companies conveys a license under the Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification as defined by Philips. [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. - 13 - |
Price & Availability of NJW1156 |
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
[Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |