Datasheet NJM2193L, NJM2193M Datasheet (JRC)

FOCUS & SRS AUDIO PROCESSOR

NJM2193

P R E L I M I N A R Y

GENERAL DESCRIP TION

■■■■

The

NJM2193

is a FOCUS & SRS audio processor, bas ed

■■■■

on SRS FOCUS and 3D Stereo technology. It is capable of
raising sound and regenerating 3D sound field.
The

NJM2193

is suitable for car audio, projection TV,

home stereo applications, and others.

FEATURES

■■■■

● Operating Voltage 4.7 to 13V

● Low Operating Current 6mA typ.

● Low Output Noise 25µVrms typ. at FOCUS&3D Sound mode

● Adjusted by Width,FOCUS,LF Elevation
and Bass Compensation Volume

● Independent Audio Input for Bypass MODE

● Bipolar Technology

● Package Outline SDIP30, SDMP30

PACKAGE OUTLINE

NJM2193L

NJM2193M

The SRS, FOCUS technology right s i ncorporated in t he NJM2193 are owned by SRS Labs, a U.S . Corporation and licens ed to New
Japan Radio Co., Ltd. SRS , FOCUS are protected under U.S. and foreign pat ents issued and/or pending. SRS , FOCUS and the

,are trademarks of SRS Labs, Inc. in the United Stat es and selected foreign countries. Neither the purchase of the NJM2193,
nor the corresponding sale of audio enhanc ement equipment conveys the right to sel l commercialized recordings m ade with any
SRS technology.
SRS Labs requi res that all users of the NJM2193 mu st enter into a l icense agreement direc tly with SRS Labs if the royalty is n ot
included in the purchase price. SRS Labs also requires any users to comply with all rules and regulations as outlined in the S RS
Trademark Usage Manual.

For further information, pl ease contact:

SRS Labs, Inc.

2909 Daimler Street. Santa Ana, CA 92705 USA

Tel:[phone] Fax:[phone] http://www.srslabs.com

- 1 -

NJM2193

ABSOLUTE MAXIMUM RATING

■■■■

(Ta=25°C)

PARAMETER SYMBOL RATING UNIT

Supply Voltage V
Power Dissipation P

Operating Temperature Range T
Storage Temperature Range T

ELECTRICAL CHARACTERISTICS

■■■■

PARAMETER SYMBOL

+

Operating

V

Voltage

V

V

I

CC

REF

INMAX

No Signal - 6.0 12.0 mA

V+/2 3.8 4.0 4.2 V
F=1kHz

THD=3%

Supply
Current
Reference
Voltage
Maximum
Input Voltage

f=150Hz
THD=3%
f=1kHz
THD=3%
f=15kHz
THD=3%
f=1kHz
THD=3%
f=15kHz
THD=3%
f=1kHz
THD=3%
f=15kHz
THD=3%
f=1kHz

THD=3%
Output
Noise

V

NOISE

Rg=0

A-Weighted

Rg=0

A-Weighted

Rg=0

f=20~20kHz

Rg=0

A-Weighted

Rg=0

f=20~20kHz

Rg=0

A-Weighted

Rg=0

f=20~20kHz

+

D

15 V

(SDIP30)700

(SDMP30)700

opr
stg

+

(V

=8V,Ta=25°C,VIN=-20dBV(0.1Vrms))

-40 to +85 °C

-50 to +150 °C

TEST CONDITION

IN

LR

V

IN

0

V

IN

-V

IN

V

IN

-V

IN

V

IN

0

V

IN

0

V

IN

0

V

IN

0

V

IN

-V

IN

V

IN

-V

IN

Ω

Ω

Ω

Ω

Ω

Ω

Ω

00

00

00

00

00

00

00

OUT MODE

0

V

-V
V

-V
V

0

V

0

V

0

V

0

V

-V
V

-V
V

L

R

IN

L

IN

R

IN

L

IN

R

IN

L

R

IN

L

R

IN

L

R

IN

L

R

IN

L

IN

R

IN

L

IN

R

IN

L

R

L

R

L

R

L

R

L

R

L

R

L

R

mW

MIN. TYP. MAX. UNIT

4.7 8.0 V

BYPASS -

3D Sound

3D Sound

FOCUS

FOCUS

3D Sound

+FOCUS

3D Sound

+FOCUS

-17.5

(0.13)

-14.5

(0.19)

3D Sound

+FOCUS

3D Sound

+FOCUS
BYPASS -

3D Sound -

3D Sound -

FOCUS -

FOCUS -

3D Sound

+FOCUS

3D Sound

+FOCUS

7.5
(2.4)

-9.0

(0.35)

-3.0

(0.71)

-6.5

(0.47)

-5.0

(0.56)

-15.5

(0.17)

-12.5

(0.24)

-19.5

(0.11)

-16.0

(0.16)

-113
(2.2)

-108
(4.0)

-104
(6.0)

-94

(20.0)

-92

(25.0)

-

-

-92

(25.0)

-90

(35.0)

-

-

-

-

-

-

-

-

-

-94

(20.0)

-

-

-

-

-86

(50.0)

-

dBV

(Vrms)

dBV

(µVrms)

- 2 -

ELECTRICAL CHARACTERISTICS

■■■■

PARAMETER SYMBOL

Total

THD
Harmonic
Distortion

f=1kHz

BYPASS
Gain
3D Sound(L-R)
Gain
3D Sound(L+R)
Gain
FOCUS Gain1

FOCUS Gain2

PROCESS
Gain
MODE Select
Control
Voltage

G

G

G

G

G

G

V
V

VBYP

VS1

VS2

VF1

VF2

VP

IH

f=1kHz

f=150Hz

f=150Hz

f=70Hz

f=15kHz

f=15kHz
High Level - - - - 2.0 - V

IL

Low Level - - - - 0.0 - 0.7

MODE SWICH

■■■■

MODE1 MODE2

BYPASS L L

3D Sound H L

FOCUS L H

3D Sound+ FOCUS H H

CONDITION

IN

LR

V

IN

00V

IN

V

IN

00V

IN

V

IN

00V

IN

V

IN

00V

IN

V

IN

00V

IN

-V

V

IN

IN

-V

V

IN

IN

V

V

IN

IN

V

V

IN

IN

V

IN

00V

IN

V

IN

00V

IN

-V

V

IN

IN

-V

V

IN

IN

OUT MODE

L

BYPASS - 0.005 0.02

R

L

3D Sound - 0.005 -

R

L

R

FOCUS - 0.04 -

LR3D Sound

+FOCUS

L

BYPASS -1.0 0.0 1.0 dB

R

L

3D Sound 15.0 17.0 19.0 dB

R

L

3D Sound -2.0 0.0 2.0 dB

R

L

R

L

R

FOCUS 8.5 10.5 12.5 dB

FOCUS 12.0 14.0 16.0 dB

LR3D Sound

+FOCUS

NJM2193

MIN. TYP. MAX UNIT

%

-0.10.5

- 27.0 - dB

+

V

- 3 -

NJM2193

PIN FUNCTION

■■■■

30 16

115

BLOCK DIAGRAM

■■■■

SRS
Rch IN

BYPASS

SRS Rch OUT

SRS

FOCUS Rch IN

LF
Elevation
Filter

1.SRSINR 16.V+

2.WIDTHR 17.MODE2

3.SRSFILTERR 18.MODE1

4.SRSOUTR 19.FOCUSOUTL

5.FOCUSINR1 20.LPFIN

6.FOCUSINR2 21.LPFOUT

7.LFOUTR 22.HFINL

8.LFINR 23.LFINL

9.HFINR 24.LFOUTL

10.BCOUT 25.FOCUSINL2

11.BCIN 26.FOCUSINL1

12.FOCUSOUTR 27.SRSOUTL

13.REFIN 28.SRSFILTERL

14.VREF 29.WIDTHL

15.GROUND 30.SRSINL

HF
Elevation
Filter

BYPASS

FOCUS
Rch OUT

FOCUS

- 4 -

SRS
Lch IN

SRS Filter

BYPASS

WIDTH
Control

SRS

SRS Lch OUT

FOCUS
Control

FOCUS Lch IN

Bass
Compensation
Filter

LF
Elevation
Filter

LF
Elevation
Control

Bass Compensation
Control

HF
Elevation
Filter

BYPASS

FOCUS

FOCUS
Lch OUT

NJM2193

TERMINAL DESCRIPTION

■

PIN NO. SYMBOL EQUIVALENT CIRCUIT TERMINAL VOLTAGE

1
2
5

6
25
26
29
30

SRSINR

WIDTHR
FOCUSINR1
FOCUSINR2
FOCUSINL2
FOCUSINL1

WIDTHL

SRSINL

V+

4
12
14
19
27

17
18

SRSOUTR

FOCUSOUTR

VREF

FOCUSOUTL

SRSOUTL

MODE2
MODE1

V+

VREF(14pin)=1/2V+

V+

150k

13 REFIN 1/2V+

V+

50k

50k

- 5 -

NJM2193

p

APLLICATION CIRCUIT

■■■■

LIN

10k

10u

270p

10n

220k

1.2n
12k

NP

10u

50k

220n 3.9n

1k

100n 10n

LOUT MODE1 MODE2

10u 10u

4.7k
10k

10k

10u

V+

100u

2.2k

2.2n

18k

33n

RIN

●

Width Control : 10kB, Dual VR

●

LF Elevation Control : 1kB, Dual VR

●

FOCUS Control : 50kB, Dual VR

●

Bass Com

30 29 28 27 26 25 23 22 21 20 19

WIDTH VR FOCUS VR LF VR

123 456 891011127 131415

10u

10k

270p

220k 12k

1.2n

10n

10u

NP

220n

50k

ensation Control : 10kB, Dual VR

24 18 17 16

10u 10u

ROUT Vref

10u

1k

3.9n
BC VR

10k 4.7k

- 6 -

TYPICAL CHARACTERISTICS

■■■■

5
4
3
2
1
0

-1

Gain(dB)

-2

-3

-4

-5
10 100 1000 10000 100000

NJM2193

NJM2193 Gain Structure

BYPASS Mode

Conditions:Vin=-20dBV(100mVrms ) , V+=8V

a
b

Frequency(Hz)

a: Lin → Lout b: Rin→ Rout

NJM2193 Gain Structure

3D Stereo Mode

Conditions:Vin=-20dBV(100mVrms ) , V+=8V

WIDTH VR:MAX

20

15

10

5

Gain(dB)

0

-5
10 100 1000 10000 100000

Frequency(Hz)

b

a

c

a: Lin → Lout b: L-Rin → Lout c: L+Rin → Lout

- 7 -

NJM2193

TYPICAL CHARACTERISTICS

■■■■

20

15

NJM2193 Gain Structure

FOCUS Mode

Conditions:Vin=-20dBV(100mVrms)Lch,Vout=Lch,V+=8V

10

5

Gain(dB)

0

bc

a

d

-5
10 100 1000 10000 100000

Frequency(Hz)

a: LF VR MAX, BC VR MAX b: LF VR MAX, BC VR MIN
c: LF VR MIN, BC VR MAX d: LF VR MIN, BC VR MIN

- 8 -

[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.