Datasheet TK10415MTL Datasheet (TOKO)

TK10415

CERAMIC SPEAKER DRIVE AMPLIFIER

FEATURES

■ Wide Operating Voltage Range (VCC = 1.8 to 5.5 V)

■ Very Low Supply Current (ICC = 1.8 mA @ VCC= 2.4 V)

■ Very Low Standby Current (I

= 0.1 µA)

STBY

■ Miniature Package (SOT23L-6)

■ Very Large Output Voltage (V

= 1.7 Vrms @

OUT(MAX)

VCC = 2.4 V, RL = 620 Ω)

■ Very Small Total Harmonic Distortion (THD = 0.1 %

@ V

= 0.8 Vrms)

OUT

■ Needs No Output Coupling Capacitor

DESCRIPTION

The TK10415M is a very low operating voltage and current
audio power amplifier to drive ceramic speakers.

The TK10415M drives the speaker directly, because the
device has a differential output that does not need an
output coupling capacitor.

APPLICATIONS

■ Speaker Driver for Portable Equipment

■ Headphone Driver

■ Toys and Games

TK10415

V

OUT 1

V

CC

V

OUT 2

V

IN

GND

V

ref/Standby

The voltage gain is adjustable by two external resistors.
The TK10415M is available in the very small SOT23L-6

surface mount package.
The small package in conjunction with few external

components saves printed circuit board space.

ORDERING INFORMATION

TK10415M

Tape/Reel Code

TAPE/REEL CODE

TL: Tape Left

BLOCK DIAGRAM

-

A1

+

V

CC

20 kΩ

20 kΩ

V

CC

36 kΩ

-

A2

+

36 kΩ

December 1999 TOKO, Inc. Page 1

TK10415

ABSOLUTE MAXIMUM RATINGS

Supply Voltage ........................................................... 6 V

Operating Voltage ......................................... 1.8 to 5.5 V

Power Dissipation (Notes 1 and 2)..................... 400 mW

TK10415 ELECTRICAL CHARACTERISTICS

Test Conditions: V

LOBMYSRETEMARAPSNOITIDNOCTSETNIMPYTXAMSTINU

2.4 V, f = 1.0 kHz, RL = 620 Ω, TA = 25 °C, unless otherwise specified.

CC =

Storage Temperature Range ................... -55 to +150 °C

Operating Temperature Range ...................-20 to +70 °C

V

I

CC

I

YBTS

I

TNOC

V

SHT

G

OV

tnerruCylppuS

tnerruCylppuSybdnatSV

tnerruClanimreTlortnoCV,tnerruCkniS4niP

egatloVdlohserhTybdnatS4niPV

niaGegatloVtiucriCnepO1PMA0.06Bd

CC

V

CC

CC

R,V4.2=

= ∞ 8.10.3Am

L

R,V0.5=

= ∞ 2.25.3Am

L

R,4niP=V4.2=

= ∞ 0.00.2Aµ

L

V=

4niP

CC

CC

1PMA0.710.020.32Bd

G

V

niaGegatloV

2PMA0.3-0.00.3Bd

2PMA+1PMA0.320.620.92Bd

V

DHTnoitrotsiDcinomraHlatoT

V

)XAM(TUO

egatloVtuptuOmumixaM

RRoitaRnoitcejeRelppiRC

V

)CD(TUO

V

)SO(TUO

R

L

Note 1: Power dissipation is 400 mW in free air. Derate at 3.2 mW/°C for operation above 25 °C.
Note 2: Power dissipation is 600 mW when mounted. Derate at 4.8 mW/°C for operation above 25 °C.

lanimreT

tuptuOtaegatloVCD

egatloVtesffOtuptuOV

ecnatsiseRdaoL001026

CC

V

CC

V

CC

V

CC

fer

V

1TUO

V

2TUO

2TUO

,V4.2=DHT
,V0.5=DHT

V,V4.2=

TUO

V,V0.5=

TUO

V8.0=

smr

V0.2=

smr

≤

%01

≤

%01

Fµ33=0.83Bd

V-

1TUO

0.350.09Aµ

4.0-V

1.00.1%

1.00.1%

2.17.1V

6.27.3V

smr

smr

00.102.104.1V

00.102.104.1V

0.03-0.00.03Vm

Ω

Page 2 December 1999 TOKO, Inc.

TEST CIRCUIT

V

(V

)

/

THD

(%)

V

(V

)

/

THD

(%)

100 kΩ

33 µF

+

V

CC

1 µF

+

10 kΩ

0.022 µF

R

L

0.022 µF

+

C

= 33 µF

ref

V

IN

V

CC

TYPICAL PERFORMANCE CHARACTERISTICS

VCC = 5 V, TA = 25 °C, unless otherwise specified.

TK10415

SUPPLY CURRENT and REFERENCE

VOLTAGE vs. SUPPLY VOLTAGE

3

2.5

(V)

2

ref

1.5

(mA) / V

1

CC

I

I

CC

V

ref

0.5

0

1 2 3 4 5 6

VCC (V)

OUTPUT VOLTAGE AND

DISTORTION vs. INPUT VOLTAGE 1

10

fIN = 1 kHz, RL = 2 kΩ

VCC = 2.4 V

1

V

OUT

VCC = 5 V

rms

0.1

OUT

0.01
1 10 100 1000

VIN (mVrms)

THD

VCC = 5.0 V

OUTPUT VOLTAGE AND

DISTORTION vs. FREQUENCY

10

VIN = 40 mVrms, RL = 620 Ω

rms

1

0.1

V

THD

OUT

OUT

0.01

0.01 0.1 1 10 100
fIN (kHz)

OUTPUT VOLTAGE AND

DISTORTION vs. INPUT VOLTAGE 2

10

fIN = 1 kHz, RL = 620 Ω

VCC = 2.4 V

1

(Vrms) / THD (%)

0.1

OUT

V

V

OUT

VCC = 5 V

VCC = 5.0 V

0.01
1 10 100 1000

VIN (mVrms)

THD

December 1999 TOKO, Inc. Page 3

TK10415

I

(

A)

I

(

A)

TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)

VCC = 5 V, TA = 25 °C, unless otherwise specified.

OUTPUT VOLTAGE AND

DISTORTION vs. INPUT VOLTAGE 3

10

fIN = 1 kHz, RL = 100 Ω

VCC = 2.4 V

1

(Vrms) / THD (%)

OUT

V

0.1

V

OUT

VCC = 5 V

0.01
1 10 100 1000

VIN (mVrms)

MAXIMUM OUTPUT VOLTAGE vs.

LOAD RESISTANCE 1

2.5

VCC = 2.4 V

2

1.5

(Vrms)

1

OUT

V

fIN = 1 kHz

THD = 10%

THD = 1%

0.5

THD

VCC = 5.0 V

MAXIMUM OUTPUT VOLTAGE vs.

SUPPLY VOLTAGE

5

RL = 620 Ω

4

THD = 10%

3

(Vrms)

2

OUT

V

THD = 1%

1

0

1 2 3 4 5 6 7

VCC (V)

MAXIMUM OUTPUT VOLTAGE vs.

LOAD RESISTANCE 2

5

VCC = 5.0 V
fIN = 1 kHz

THD = 10%

4

(Vrms)

3

OUT

V

THD = 1%

2

0

1 2 3 4 5 6 7

RL (kΩ)

CONTROL CURRENT vs.

160

SUPPLY VOLTAGE

140
120

100

µ

80

CONT

60
40

1

1 2 3 4 5 6 7

RL (kΩ)

SUPPLY CURRENT vs.

2

REFERENCE VOLTAGE

1.8

1.6

1.4

1.2

m

1

CC

0.8

0.6

0.4

20

0

1 2.5 3 3.5 4 4.5 5 5.5

VCC (V)

0.2
0

1 1.2 1.4 1.6 1.8 2 2.2 2.4

V

/Standby (V)

ref

Page 4 December 1999 TOKO, Inc.

PIN FUNCTION DESCRIPTIONS

TK10415

NIP

.ON

1V

LOBMYS

1TUO

2VCCV
3V

2TUO

LANIMRET

EGATLOV

TIUCRICTNELAVIUQELANRETNINOITPIRCSED

)V(

V2/1

CC

CC

V2/1

CC

V

CC

20 k

___

V

CC

20 k

lanimrettuptuoreifilpma1A

lanimrettupniylppuS

lanimrettuptuoreifilpma2A

4V

fer

V2/1

CC

V

CC

36 k

36 k

5DNGV0.lanimretdnuorG
6V

NI

V2/1

CC

V

CC

V

ref

.lanimretegatlovecnerefeR

VsilanimretsihtnehW

CC

siecivedeht,

ylppusehtdnaedomybdnatsehtni

.Aµ1.0rednuotnwodsitnerruc

.lanimrettupnireifilpma1A

December 1999 TOKO, Inc. Page 5

TK10415

NOTES

Page 6 December 1999 TOKO, Inc.

NOTES

TK10415

December 1999 TOKO, Inc. Page 7

TK10415

PACKAGE OUTLINE

SOT-23L-6(a) (SOT-23L)

+0.15

- 0.05

0.4

5

0.95

3.5

(3.4)

4

0.32

e

0.95

+0.3

- 0.1

Product Code

6

123

e

Dimensions are shown in millimeters
Tolerance: x.x = ± 0.2 mm (unless otherwise specified)

0.1

5 PL

M

Marking

Voltage Code

+0.15

- 0.05

Marking Information

Marking
TK10415 415

0.6

1.0

3.0
e1

e

e

0.1

M

0.3

1.2

1.4 max

+0.15

- 0.05

0 - 0.1

0.15

0.95

0.95

Recommended Mount Pad

2.2

+ 0.3

3.3

15 ° max

0.4

Toko America, Inc. Headquarters
1250 Feehanville Drive, Mount Prospect, Illinois 60056
Tel: [phone] Fax: [phone]

TOKO AMERICA REGIONAL OFFICES

Midwest Regional Office
Toko America, Inc.
1250 Feehanville Drive
Mount Prospect, IL 60056
Tel: [phone]
Fax: [phone]

Western Regional Office
Toko America, Inc.
2480 North First Street , Suite 260
San Jose, CA 95131
Tel: [phone]
Fax: [phone]

Eastern Regional Office
Toko America, Inc.
107 Mill Plain Road
Danbury, CT 06811
Tel: [phone]
Fax: [phone]

Semiconductor Technical Support
Toko Design Center
4755 Forge Road
Colorado Springs, CO 80907
Tel: [phone]
Fax: [phone]

Visit our Internet site at http://www.tokoam.com

The information furnished by TOKO, Inc. is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture of its
products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or other rights of
third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc.

Page 8 December 1999 TOKO, Inc.

© 1999 Toko, Inc.
All Rights Reserved

IC-231-TK11031

0798O0.0K

Printed in the USA