JRC NJM2198L, NJM2198M Datasheet

SRS 3D SURROUND AUDIO PROCESSOR

GENERAL DESCRIPTION

■■■■

The

NJM2198

is a SRS 3D surround audio processor regenerati ng the 3D surround sound with only two speakers. It regenerates 3D surround sound from both of monaural and stereo input. T he features of wide oper ating voltage range , wide dynamic range, low outp ut noise are suitab le for any audio applications.

FEATURES

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● Operating Voltage (4.7 to 13V)

● Low Supply Current (7.8mA typ. at 3D Stereo mode)

● Low Output Noise (32µVrms typ. at 3D Stereo mode)

● BYPASS Gain (0dB typ.)

● BYPASS FUNCTION (Through)

● WIDTH control

● Internal Mode Control Switch (2bit)

● Bipolar Technology

● Package Outline SDIP22,DMP24

PACKAGE OUTLINE

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NJM2198

PRELIMINARY

NJM2198L

NJM2198M

The SRS technology right incorporated in the NJM2198 are owned by SRS Labs, a U.S. Corporation and licensed to New Japan Radio Co., Ltd. SRS is protected under U.S . and foreign patents iss ued and/or pending. SRS and t he Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the NJM2198, nor the corresponding sale of audio enhancement equipment conveys the right to sell commercialized recordings made with any SRS technology. SRS Labs requires that all users of the NJM2198 must enter into a license agreement directly with SRS Labs if the royalty is not included in the purchase price. SRS Labs also requires any users to comply with all rules and regulations as outlined in the SRS Trademark Usage Manual.

For further information, please contact: SRS Labs, Inc. 2909 Daimler Street. Santa Ana, CA 92705 USA Tel:714-442-1070 Fax:714-852-1099 http://www.srslabs.com

, are trademarks of SRS

- 1 -

NJM2198

AB SOLUTE MAXIMUM RATING

■■■■

(Ta=25°C)

PARAMETER

Supply Voltage

Power Dissipation Operating Temperature Range Storage Temperature Range

ELECTRICAL CHARACTERISTICS

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PARAMETER SYMBOL

Operating

Voltage

Operating

Current

V+ - - - - - 4.7 12.0 13.0 V

I

cc

No Signal

SYMBOL

+

V

(SDIP22) 700

P

D

T

opr

T

stg

(SDMP24) 700

(V+=12V,Ta=25°C, V

TEST CONDITION

INPUT

LR

- - - BYPASS - 2.9 5.7 8.6

-- -

- - - 3D Mono - 3.5 7.0 10.5

RATINGS

15

-40 to +85

-40 to +125

=-10dBV(316mVrms) unless otherwise noted)

IN

OUTPUT MODE

3D

Stereo

UNIT

V

mW

C

°

C

°

WIDTH

VOLUME

MAX 3.9 7.8 11.7

MIN. TYP. MAX. UNIT

mA

Reference

Voltage

Maximum

Input Voltage

Channel Balance

V

CH

REF

INMAX

BAL

V+/2 - - - - - 5.8 6.0 6.2 V f=1kHz

T.H.D.=3% f=125Hz

T.H.D.=3%-V f=125Hz

T.H.D.=3% f=125Hz

T.H.D.=3% f=1kHz

T.H.D.=3%

f=1kHz

L-R Output-V

V

--V

V

--V

V

--V

V V

VV-V

-V

V

L

R

L

R

L

R

V

-

V V

-

L

R

L

R

L

R

L

R

L

R

BYPASS -

3D

Stereo

3D

Stereo

3D

Stereo

3D

Stereo

3D

Stereo

3D Mono -

3D

Stereo

MAX

MIN -

MAX -

MAX

MAX -1.0 0.0 1.0 dB

10.0

(2.51)

-1.5

(0.84)

-7.5

(0.42)

-4.6

(0.59)

12.0

(3.98)

0.5

(1.06)

11.5

(3.76)

0.45

(1.05)

11.9

(3.94)

-5.5

(0.53)

0.0

(1.0)

-

dBV

-

(Vrms)

-

- 2 -

ELECTRICAL CHARACTERISTICS

■■■■

PARAMETER SYMBOL

Rg=0

Output Noise V

NOISE

Ω

A-Weight

Rg=0

Ω

A-Weight

Rg=0

Ω

A-Weight

f=1kHz V

Total Harmonic Distortion

T.H.D

f=1kHz V

Bypass Gain G

Bypass

f=1kHz V

f=125Hz

SRS Gain G

SRS

f=125Hz

f=1kHz

Mode Select

Control

Voltage

V

MODE

f=1kHz

VIN =

High Level

VIN =

Low Level

MODE SWITCH

■■■■

NJM2198

(V+=12V,Ta=25°C, V

TEST CONDITION

INPUT

LR 00

00

--V

V

--V

V

--V

-

V V

V

-- - - - 2.0 - V+

- - - - - 0.0 - 0.7

OUTPUT MODE

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

L

R

V

-

V

L

R

L 3D Mono - 1.3 3.3 5.3

R 3D Mono - -6.9 -4.9 -2.9

=-10dBV(316mVrms) unless otherwise noted)

IN

WIDTH

VOLUME

BYPASS - -

3D

Stereo

3D Mono - -

BYPASS - - 0.005 0.01

3D

Stereo

3D Mono - - 0.1 1.0

BYPASS - -1.0 0.0 1.0 dB

3D

Stereo

3D

Stereo

3D

Stereo

MAX -

MAX - 0.1 1.0

MAX 9.4 11.4 13.4

MIN -1.5 0.5 2.5

MAX 6.8 8.8 10.8

MIN. TYP. MAX. UNIT

-110

(3.16)

-90

(31.6)

-90

(31.6)

-95

(17.8)

-85

(56.2)

-85

(56.2)

dB

(µVrms)

%

dB

V

MODE MODE1

BYPASS L

3D-Sound H

MODE MODE2

3D Stereo L

3D Mono H

- 3 -

NJM2198

PIN CONFIGURATION

■■■■

1 2 3 4 5 6 7 8 9 10 11

SDIP- 22

1.FIL4

1213141516171819202122

2.FIL5

3.FIL6

4.FIL7

5.FIL8

6.FIL9

7.VrefIN

8.Vref

9.V+

10.GND

11.MODE1

12.MODE2

13.ROUT

14.LOUT

15.VOL2

16.VOL1

17.TP

18.FIL3

19.FIL2

20.FIL1

21.RIN

22.LIN

2324

1234567891011

DMP- 24

BLOCK DIAGRAM (DMP-24)

■■■■

LIN

24

50k50k

VREF

23

RIN

13141516171819202122

12

FIL1

FIL2

FIL3

VOL2

22 17 18

2021

VOL1

1.TP1

2.FIL4

3.FIL5

4.FIL6

5.FIL7

6.FIL8

7.FIL9

8. VrefIN

9. Vref

10. V+

11. GND

12. MODE1

BYPASS

3D-STEREO

3D-MONO

BYPASS

3D-STEREO

3D-MONO

13. MODE2

14. TP2

15.ROUT

16.LOUT

17.VOL2

18.VOL1

19.TP3

20.FIL3

21.FIL2

22.FIL1

23.RIN

24.LIN

MODE1

MODE2

12 13

16

15

LOUT

ROUT

- 4 -

VREF

2

FIL4

VREF

V+

3 4 5 6 7 10

FIL5

FIL6

FIL7

FIL8

FIL9

V+

GND

50k 50k

11

GND

VREF

9

8

Vref

VrefIN