JRC NJW1107FC3 Datasheet

NJW1107

(

g

PRELIMINARY

Dolby Pro Logic Surround Decoder with Discrete 5.1ch Input

GENERAL DESCRIPTION

■■■■

NJW1107

The

is a Dolby Pro Logic Surr ound D ecoder with disc rete

5.1ch input. It inc ludes Dolby Pro Logic Surround dec oder, 4 m aster
volumes, 4 level trimmers and 6 switches.

The 6 switches cho ose internal Dol by Pro Logic S urround Decoder

or discrete 5.1ch inputs. The

NJW1107

is most suitable for AV

amplifier with discrete 5.1ch inp uts for Dolb y Digital.

In addition to Dolby Pro Logic Surround function, the

NJW1107

performs easily other surround function s uch as Hall, Live, Disco and
others, and echo and microphone mixing functions for Karaoke.

Dolby and double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
San Francisco, CA94103-4813.USA.
This device is available only to licensees of Dolby Lab.
Licensin

FEATURES

■■■■

● Operating Voltage: V

and application information may be obtained from Dolby Lab.

=9V(Analog Block), VDD=5V(Digital Block)

CC

● Digital Delay on chip

● Discrete 5.1ch Input for Dolby Digital

● Master Volume for Center, Surround and Subwoofer Channel: -79 to 0dB/1dB step (0dB = Dolby Level)

● Level Trimmer for Center, Surround and Subwoofer Channel: -31 to 0dB/1dB step (0dB = Dolby Level)

● Karaoke function (Echo, MIC mixing)

● Serial Data Interface (3-wire) DATA, REQ, SCK

● Bi-CMOS Technology

● Package Outline QFP80

PACKAGE OUTLINE

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NJW1107FC3

FUNCTION

■■■■

[Dolby Pro Logic Surround]

● Automatic input balance

● Noise sequencer

● Adaptive matrix

● Center mode control (Wide, Normal, Phantom, Off)

● Modified B-type noise reduction

● 7kHz low pass filter

● Dolby 3 stereo mode

● Digital time delay (15.4, 20.5, 25.6, 29.2ms)

SYSTEM BLOCK DIAGRAM

■■■■

MICIN

LTIN

RTIN

LIN
RIN
CIN

SLIN
SRIN

SWIN

normal

SWIN

Pro Logic

Digital

Surround

Echo

MCU

Interface

REQ

Rear

Stereo

SCK

L
R
C
SL

SR

DATA

[Other Surround]

● Sound field control

● Front mixing control

● Digital time delay
(15.4, 20.5, 25.6, 29.2 51.2ms)
[Karaoke]

● Echo control

● MIC mixing

● Digital time delay (123, 184ms)

LOUT

ROUT

COUT

SLOUT

SROUT

SWOUT

Master

Trimmer

Dolby Pro Logic
Discrete 5.1c h (e x . Dolby Digital)

Vol

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NJW1107

(

PIN CONNECTION

■■■■

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41

65
66

67
68

69
70
71
72
73
74
75
76

77
78
79
80

1 2 3 4 5 6 7 8 9

NJW1107

12

10

13 14 15 16 17 18 19 20 21 22 23 24

11

40
39
38

37
36
35
34
33

32
31
30
29
28
27
26
25

Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name Pin No. Pin Name

1LOUT21DVDD41 ECHOOUT 61 LBPF1
2 ROUT 22 DATA 42 BNRIN 62 RBPF2
3 CVOLOUT 23 SCK 43 DBC1 63 RBPF1
4 CVOLIN 24 REQ 44 DBC2 64 ABL
5COUT25DVSS45 DBC3 65 ABR
6 SOUT 26 DSELOUT 46 PSC3 66 NGC3
7 PSLIN 27 DIN 47 PSC6 67 NGC2
8 PSRIN 28 LPF1IN1 48 PSC2 68 NGC1

9 SLVOLOUT 29 LPF1IN2 49 PSC5 69 AV
10 SLVOLIN 30 LPF1OUT 50 PSC1 70 VREF1
11 SLOUT 31 ADINTIN 51 PSC4 71 REF
12 SROUT 32 ADINTOUT 52 RLC5 72 LIN
13 SRVOLIN 33 ADCONT 53 RLC2 73 RIN
14 SRVOLOUT 34 DACONT 54 RLC1 74 LTIN
15 SWOUT 35 DAINTIN 55 RLC4 75 RTIN
16 SWVOLIN 36 DAINTOUT 56 RLC7 76 CIN
17 SWVOLOUT 37 LPF2IN1 57 RLC3 77 SLIN
18 CMC 38 LPF2IN2 58 RLC8 78 SRIN
19 AGND 39 LPF2OUT 59 RLC6 79 SWIN
20 MICIN 40 DVOLOUT 60 LBPF2 80 VRSWIN

CC

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NJW1107

(

ABSOLUTE MAXIMUM RATING (Ta=25

■■■■

PARAMETER
Supply Voltage
Power Dissipation

Operating Temperature Range
Storage Temperature Range

*On board

SYMBOL

C)

°°°°

RATING

V

CC

V

DD

P

D

T

opr

T

stg

10.5

6.5

*

1.4

-20 to +75

-40 to +125

UNIT

V

W

C

°

C

°

ELECTRICAL CHARACTERISTICS (V

■■■■

PARAMETER SYMBOL TES T CONDITION MIN. TYP. MAX. UNIT

OVERALL

◆

Supply Voltage Range V

Supply Current I

Reference Voltage V
Threshold Voltage V

INPUT AUTO BALANCE

◆

Capture Range CPR - 5 - dB
Error Correction CER - 4 - dB

ADAPTIVE MATRIX

◆

Output Level
Accuracy relative to Cch
Matrix Rejection relative MR L, R, C, LSch out 25 40 - dB
Headroom HR-AM THD=1% 15 17 - dB
Total Harmonic Distortion THD-AM 4ch.mode, 30kHz LPF - 0.05 0.2 %
Signal to Noise Ratio SNAM Rg=0, wt: CCIR/ARM, 4ch.mode 70 80 - dB

NOISE SEQUENCER

◆

Outp u t Noi s e Lev e l Vno L, R , C, LSc h o ut -15 -12.5 -10 dB
Output Noise Level
Accuracy relative to Cch

MODIFIED B-TYPE NOISE REDUCTION (0dBd=300mVrms, f=100Hz at LSch out)

◆

Voltage Gain GV-NR Vin=0dBd, f=100Hz 3.8 6.8 9.8 dB
Decode Responce1 DEC1 Vin=0dBd, f=1kHz -1.6 -0.1 1.4 dB
Decode Responce2 DEC2 Vin=-15dBd, f=1.4kHz -3.0 -1.5 0 dB
Decode Responce3 DEC3 Vin=-40dBd, f=5kHz -6.8 -5.3 -3.8 dB
Total Harmonic Distortion THDNR Vin=0dBd, f=1kHz, 30kHz LPF - 0.07 0.3 %
Headroom HRNR THD=1% 15 17 - dB
Signal to Noise Ratio SNNR Rg=0, wt CCIR/ARM 6 8 78 - dB

Master Volume

◆

Maximum attenuation ATT
Minimum attenuation ATT
Volume Step1 VOLS1 ATT=0 to -40dB, TRIM=0dB 0.5 1.0 1.5 dB
Volume Step2 VOLS2 ATT=-40 to –79dB, TRIM=0dB 0.2 1.0 1.8 dB
Signal to Noise Ratio SNVOL ATT=-∞, CCIR/ARM 85 95 - dB

=9V, VDD=5V, Ta=25

CC

CC

V

DD

CC

I

DD

REF

thh

V

thl

Vol L, R, LSch out -0.5 0 0.5 dB

∆

Vno L, R, LSch out -0.5 0 0.5 dB

∆

No Signal
No Signal
No Signal - 4.5 - V
Digital input high level
Digital input low level

ATT=-∞, Vi=2Vrms - -95 -87 dB

max

ATT=0, TRIM=0dB -3.0 0 3.0 dB

min

C, 0dBd=300mVrms, f=1kHz)

°°°°

8

4.75

-

-

2.2
0

9

5
30
15

-

-

10

5.5
45
25

V

0.8

DD

V

V
mA
mA

V

V

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NJW1107

(

ELECTRICAL CHARACTERISTICS (V

■■■■

=9V, VDD=5V, Ta=25

CC

C, 0dBd=300mVrms, f=1kHz)

°°°°

PARAMETER SYMBOL TES T CONDITION MIN. TYP. MAX. UNIT

Trimmer

◆

Maximum attenuation TRIM
Minimum attenuation TRIM

TRIM=-31dB, VOLATT=0dB -34 -31 -28 dB

max

TRIM=0dB, VOLATT=0dB -3.0 0 3.0 dB

min

Trimmer Step TRIMS VOLATT=0dB 0.6 1.0 1.4 dB

Line

◆

Total Harmonic Distortion THDLN 30kHz LPF - 0.002 0.05 %
Signal to Noise Ratio SNLN DIN-AUDIO 95 100 - dB
Line Cross-talk CTLN 70 80 - dB
Input Impedance Zi 11 22 44 k

DIGITAL TIME DELAY

◆

Delay Time Td Td=20.5ms 17.4 20.5 23.6 ms
Total Gain GvD DIN-DVOLOUT, DDVOL=0dB -3.0 0 3.0 dB
Total Harmonic Distortion THDD 30kHz LPF

Td=20.5ms - 0.5 0.9 %
Td=51.2ms - 1.2 2.2 %

Td=184ms - 3.0 5.6 %
Maximum Output Voltage VomaxD THD=10% 0.7 1.0 - Vrms
Output Noise Voltage NoD Vin=0Vrms

JIS-A

Td=20.5ms - -92 -80 dBV

Td=51.2ms - -84 -70 dBV

Td=184ms - -80 -65 dBV

Td=15.4 to 51.2ms, Gv=-3dB 6.0 7.0 8.0 kHz LPF Cut-off Frequency LPFfc
Td=123, 184ms, Gv=-3dB - 3.0 - kHz

Feedback Volume

◆

Maximum attenuation FBATT
Minimum attenuation FBATT

ATT=-∞dB - -70 -60 dB

max

ATT=-3dB -6.0 -3.0 0 dB

min

Volume Step FBVOLS 1.5 3.0 4.5 dB

Delay Volume

◆

Maximum attenuation DLATT
Minimum attenuation DLATT

ATT=-∞dB - -70 -60 dB

max

ATT=-3dB -3.0 0 3.0 dB

min

Volume Step DLVOLS 1.5 3.0 4.5 dB

Ω

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