NJW1136GL1 NJRC [New Japan Radio], NJW1136GL1 Datasheet

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NJW1136GL1

Manufacturer Part Number
NJW1136GL1
Description
AUDIO PROCESSOR with Subwoofer Output
Manufacturer
NJRC [New Japan Radio]
Datasheet

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IN a
IN b
I I I I GENERAL DESCRIPTION
output includes all of functions processing audio signal for
TV, such as tone control, balance, volume, mute, and AGC
functions.
and bass boost function.
sound and clear vocal orientation.
BUS interface.
I I I I FEATURES
I I I I BLOCK DIAGRAM
The original surround system reproduces natural surround
The NJW1136 is a sound processor with subwoofer
Also the NJW1136 includes the LPF for subwoofer output
All of internal status and variables are controlled by I
G G G G Operating Voltage
G G G G 3ch Output(Lch, Rch, Subwoofer ch) / 2ch Output(Lch, Rch)
G G G G LPF Filter (Adjustable cut off frequency by external parts)
G G G G AGC Circuit (It reduces volume difference among input sources.)
G G G G eala(NJRC Original Surround System)
G G G G Simulated Stereo
G G G G I
G G G G Bi-CMOS Technology
G G G G Package Outline
Adjustable AGC boost level by external parts and AGC compression level by I
2
C BUS Interface
AGC
AGC1
AGC2
AUDIO PROCESSOR with Subwoofer Output
VOL1
VOL1
SOP32, DIP32
8 to 13V
SS-FIL
SR-FIL
Simulated
Stereo
eal a
&
TONE
TONE
-Ha
-Hb
TONE
TONE
TONE
TONE
-La
-Lb
LF1 LF2 LF3
2
C
LPF
I I I I PACKAGE OUTLINE
VOL2
VOL2
VOL2
OUTa
OUTb
NJW1136GL1
Trimmer
2
C BUS
NJW1136D
OUTw
P R E L I M I N A R Y
NJW1136L
SCL SDA ADR
Interface
I
2
Bias
Vref
CBUS
(1/24) G
CVA
CVB
CVW
CTH
CTL
CSR
PORT1
PORT0
AUX1
AUX0
GND
V+

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NJW1136GL1 Summary of contents

Page 1

... LF1 LF2 LF3 -Ha -La TONE eal a & LPF Simulated Stereo TONE SR-FIL TONE TONE -Hb - PACKAGE OUTLINE NJW1136GL1 NJW1136L NJW1136D 2 C BUS OUTa SCL SDA ADR VOL2 2 I CBUS Interface VOL2 Trimmer VOL2 Bias OUTb ...

Page 2

NJW1136 PIN CONFIGURATION No. Symbol 1 INa Ach input terminal 2 SR-FIL Surround filter terminal 3 SS-FIL Simulated stereo filter terminal 4 TONE-Ha Ach tone control (treble) filter terminal 5 TONE-La Ach tone control (bass) filter ...

Page 3

ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS ( Ta=25°C, V+=9V, Rg=600Ω, R =47kΩ, Vin=100mVrms/1kHz unless otherwise specified) L PARAMETER SYMBOL + Operating ...

Page 4

NJW1136 ELECTRICAL CHARACTERISTICS (Ta=25°C, V+=9V, Rg=600Ω, R PARAMETER SYMBOL ♦ ♦ ♦ ♦ TONE High Frequency Boost HF High Frequency Flat HF High Frequency Cut HF Low Frequency Boost LF Low Frequency Flat LF Low Frequency ...

Page 5

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 ...

Page 6

NJW1136 TERMINAL DESCRIPTION No. SYMBOL 1 INa 32 INb 6 OUTw Subwoofer output terminal 7 OUTa Ach output terminal 26 OUTb Bch output terminal 2 SRFIL Surround filter terminal 3 SSFIL Simulated stereo filter terminal 4 TONE-Ha Treble(tone control) filter ...

Page 7

TERMINAL DESCRIPTION No. SYMBOL FUNCTION 5 TONE-La Bass(tone control) filter terminal 27 TONE-Lb Capacitor connection terminal for 8 AGC1 AGC attack and recovery time setting 9 AUX0 Auxiliary 3 values voltage output terminal Auxiliary 2 values voltage output terminal 10 ...

Page 8

NJW1136 TERMINAL DESCRIPTION No. SYMBOL 14 SDA 15 SCL 16 GND 17 V+ Supply voltage terminal 18 Vref Reference voltage terminal 19 CSR DAC output for surround control terminal (8/24) FUNCTION data terminal 15pin ...

Page 9

TERMINAL DESCRIPTION No. SYMBOL FUNCTION 20 CTL DAC output for tone control terminal 21 CTH 22 CVW DAC output terminal for trimmer control 23 CVB DAC output terminal for Bch volume control DAC output terminal for Ach volume control 24 ...

Page 10

NJW1136 MEASUREMENT CIRCUIT 0.47µ Input Ach 100n Vin 100n 2.2n 100n Output Wch 4.7µ Output Ach 4.7µ 330nF 47k 47k AUX0 AUX1 (✳1) (✳2) PORT0 V PTIN0 PORT1 V PTIN1 ADR V ADRIN SDA (✳3) SCL ...

Page 11

APPLICATION CIRCUIT 0.47µ 100n 100n 2.2n 100n 4.7µ 4.7µ 330nF 5V 4.7k 220 220 (✳4) 100 220 (✳4) Set the Slave Address by “ADR” terminal. ADR pin (13pin) “ADR” bit GND 0 +5V 1 INa INb ...

Page 12

NJW1136 LPF Characteristics R=24k LF1 C1 Primary LPF The NJW1136 includes the LPF for subwoofer output and bass boost function. The LPF consists of primary and secondary LPF and it is enable to adjust “cut off ...

Page 13

DEFINITION REGISTER 2 ♦ ♦ ♦ ♦ BUS FORMAT MSB LSB S Slave Address 1bit 8bit S: Starting Term A: Acknowledge Bit P: Ending Term ♦ ♦ ♦ ♦ SLAVE ...

Page 14

NJW1136 INSTRUCTION CODE a) MASTER VOLUME SETTING Select Address D7 D6 00H •VOL Attenuation level : 0 to –80dB(0.33dB/step) , MUTE The attenuator is consisted of both the VOL1(0.165dB/step)and VOL2(0.165dB/step) and is enable to adjust 0.33dB/step. The attenuation for both ...

Page 15

SURROUND, AUXILIARY, AGC LEVEL SETTING Select Address D7 D6 05H SUR <SUR : Surround Level Setting> Surround Setting Surround Off Simulated Stereo Surround Effect1 Surround Effect2 <AUX1 : AUX1 Terminal Setting> Auxiliary Setting Low (0.0V) High (5.0V) <AUX0 : ...

Page 16

NJW1136 Master Volume (Select Address : 00H) Gain(dB) HEX ...

Page 17

Gain(dB) HEX -55 ...

Page 18

NJW1136 Balance, Bass Boost Setting (Select Address : 01H) Channel Setting (CHS) Decrease Bch Gain Decrease Ach Gain Gain(dB) D6 ✴ ...

Page 19

Gain(dB - ...

Page 20

NJW1136 Trimmer Setting (Select Address: 02H) Gain(dB) D7 +18.0 1 +17.5 1 +17.0 1 +16.5 1 +16.0 1 +15.5 1 +15.0 1 +14.5 1 +14.0 1 +13.5 1 +13.0 1 +12.5 1 +12.0 1 +11.5 1 ...

Page 21

Gain( -10 -10 -11 -11 -12 -12.5 ...

Page 22

NJW1136 Gain(d D7 (d (dB) ) ) ) (d -31.5 0 -32.0 0 -32.5 0 -33.0 0 -33.5 0 -34.0 0 -34.5 0 -35.0 0 -35.5 0 -36.0 0 -36.5 0 -37.0 0 -37.5 0 -38.0 0 -38.5 0 -39.0 ...

Page 23

Tone Control(Bass Setting) (Select Address : 03H) Bass BCB Cut or Boost D7 Cut 0 Boost 1 Cut Gain(dB) Boost Gain(dB) -15.0 15.0 -14.5 14.5 -14.0 14.0 -13.5 13.5 -13.0 13.0 -12.5 12.5 -12.0 12.0 -11.5 ...

Page 24

NJW1136 Tone Control(Treble Setting) (Select Address : 04H) Treble Cut or Boost Cut Boost Cut Gain(dB) Boost Gain(dB) -15.0 15.0 -14.5 14.5 -14.0 14.0 -13.5 13.5 -13.0 13.0 -12.5 12.5 -12.0 12.0 -11.5 11.5 -11.0 11.0 ...

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