January 2000 TOKO, Inc.
Page 1
TK10417
43 k
47 k
+
-
100 k
Logic
High: Active
APPLICATIONS
s
Speaker Driver for Portable Equipment
s
Headphone Driver
s
Toys
GND
Vref
VCC
VOUT
VIN+
STANDBY
VIN-
GND
TK10417M
POWER AMPLIFIER
FEATURES
s
Very Wide Operating Voltage (V
CC
= 1.8 to 5.5 V)
s
Very Low Supply Current
s
Very Low Standby Current
s
Miniature Package (SOT23L-8)
s
Adjustable Voltage Gain (V
G1
= 0 to 40 dB)
s
Active High On/Off Control
BLOCK DIAGRAM
ORDERING INFORMATION
TAPE/REEL CODE
TL: Tape Left
Tape/Reel Code
TK10417M
01S
DESCRIPTION
The TK10417M is a very low operating voltage and current
audio power amplifier. The device is in the "on" state when
the standby pin is pulled to a logic high level.
The TK10417M is available in the very small SOT23L-8
surface mount package.
Page 2
January 2000 TOKO, Inc.
TK10417
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1
V
Supply Voltage ........................................................... 8 V
Operating Voltage ......................................... 1.8 to 5.5 V
Power Dissipation (Notes 1 and 2) ..................... 400 mW
ABSOLUTE MAXIMUM RATINGS
TK10417 ELECTRICAL CHARACTERISTICS
Test Conditions: V
CC
=
3.6 V, f = 1.0 kHz, R
L
= 8
, C
OUT
= 470
F, T
A
= 25
C, unless otherwise specified.
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. Maximum junction temperature is limited
to 150
C.
Storage Temperature Range ................... -55 to +150
C
Operating Temperature Range ................... -20 to +70
C
January 2000 TOKO, Inc.
Page 3
TK10417
Rg
600
+
Rf
56 k
33 F
VCC
+
+
CS
2.2 F
RS
3 k
VIN
CIN
1.0 F
+
Cref
22 F
+
VOUT
RL
8
VSTBY
COUT
470 F
TEST CIRCUIT
Page 4
January 2000 TOKO, Inc.
TK10417
TYPICAL PERFORMANCE CHARACTERISTICS
THD (%)
1
10
TOTAL HARMONIC DISTORTION vs.
OUTPUT POWER
POUT (mW)
0.1
1 10 100 1000
RL = 8
RL = 16
RL = 32
VCC = 3.6 V
GVA = 26 dB
f = 1 kHz
THD (%)
1
10
TOTAL HARMONIC DISTORTION vs.
OUTPUT POWER
POUT (mW)
0.1
1 10 100 1000
RL = 8
RL = 16
RL = 32
VCC = 5.0 V
GVA = 26 dB
f = 1 kHz
THD (%)
1
10
TOTAL HARMONIC DISTORTION vs.
FREQUENCY
f (kHz)
0.01
0.01 0.1 1 10
RL = 8
RL = 16
RL = 32
VCC = 3.6 V
GVA = 26 dB
VIN = 30 mV
0.1
THD (%)
1
10
TOTAL HARMONIC DISTORTION vs.
FREQUENCY
f (kHz)
0.01
0.01 0.1 1 10
RL = 8
RL = 16
RL = 32
VCC = 5.0 V
GVA = 26 dB
VIN = 40 mV
0.1
P
OUT
(
mW)
200
300
OUTPUT POWER vs.
SUPPLY VOLTAGE
VCC (V)
0
1 2 3 4 5 6
RL = 8
RL = 16
RL = 32
f = 1 kHz
THD = 10%
100
50
150
250
RR (dB)
40
60
RIPPLE REJECTION vs.
FREQUENCY
f (kHz)
0
0.01 0.1 1 10 100
20
10
30
50
VCC = 3.6
VRIP = 200 mV
Cref = 22 F
Cref = 10 F
Cref = 4.7 F
Cref = 1.0 F
January 2000 TOKO, Inc.
Page 5
TK10417
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
I CC
(mA)
2
3
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
VCC (V)
0
1 2 3 4 5 6
1
V
OUT(DC)
(V)
2
3
DC VOLTAGE AT OUTPUT TERMINAL
vs. SUPPLY VOLTAGE
VCC (V)
0
1 2 3 4 5 6
1
I CONT
(A)
50
70
CONTROL TERMINAL CURRENT
vs. STANDBY VOLTAGE
VSTBY (V)
0
0 1 2 3 4 5
20
10
30
40
60
VCC = 5.0 V
I CC
(mA)
3
SUPPLY CURRENT vs.
STANDBY VOLTAGE
VSTBY (V)
0
0 1 2 3
1
2
VCC = 5.0 V
V
OUT
(dB)
-5
5
OUTPUT VOLTAGE vs.
FREQUENCY
f (kHz)
-30
0.01 0.1 1 10
-20
-25
-10
0
RL = 8
CIN = 1.0 F
CS = 2.2 F
COUT = 1000 F
-15
COUT = 470 F
COUT = 220 F
COUT = 100 F
V
OUT
(dB)
-5
5
OUTPUT VOLTAGE vs.
FREQUENCY
f (kHz)
-20
0.01 0.1 1 10
-15
0
RL = 32
CIN = 1.0 F
CS = 2.2 F
COUT = 470 F
-10
COUT = 220 F
COUT = 100 F
COUT = 47 F
Page 6
January 2000 TOKO, Inc.
TK10417
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
P
D
(
mW)
500
800
POWER DISSIPATION
vs. TEMPERATURE
TA (
C)
0
-40 -20 0 20 40 60 80
200
100
300
400
600
700
Mounted
Free Air
P
D
(
mW)
140
POWER DISSIPATION
vs. OUTPUT POWER
POUT (mW)
0
0 20 40 60 80
40
20
60
80
100
120
RL = 32
VCC = 5.0 V
VCC = 4.0 V
VCC = 3.0 V
P
D
(
mW)
250
400
POWER DISSIPATION
vs. OUTPUT POWER
POUT (mW)
0
0 50 100 150
100
50
150
200
300
350
RL = 16
VCC = 5.0 V
VCC = 4.0 V
VCC = 3.0 V
P
D
(
mW)
500
800
POWER DISSIPATION
vs. OUTPUT POWER
POUT (mW)
0
0 50 100 150 200 250
200
100
300
400
600
700
RL = 8
VCC = 5.0 V
VCC = 4.0 V
VCC = 3.0 V
PIN FUNCTION DESCRIPTION
.
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1
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w
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w
68 k
75 k
January 2000 TOKO, Inc.
Page 7
TK10417
.
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)
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P
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C
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D
2
V
N
I
+
V
T
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t
u
p
n
I
g
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t
r
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v
n
i
-
n
o
N
r
e
i
f
il
p
m
A
.
l
a
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i
m
r
e
T
k
0
0
1
a
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v
d
e
t
c
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n
n
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c
s
i
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a
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T
V
o
t
f
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r
.
3
V
N
I
-
V
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O
.
l
a
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T
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v
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f
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p
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A
6
,
4
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V
0
l
a
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T
D
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5
V
T
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T
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7
V
C
C
V
C
C
l
a
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T
y
l
p
p
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r
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w
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P
8
V
f
e
r
V
T
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a
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c
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f
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R
PIN FUNCTION DESCRIPTION (CONT.)
VCC
VIN+
Vref
100 k
VCC
47 k
43 k
VCC
VCC
VIN-
Vref
100 k
Note 1: Terminal voltage with no input signal is calculated by the following equation:
V
OUT
= (V
CC
- 0.56) X
43 k
43 k + 47 k
Page 8
January 2000 TOKO, Inc.
TK10417
Marking Information
Marking
TK10417
417
SOT23L-8
PACKAGE OUTLINE
Printed in the USA
1999 Toko, Inc.
All Rights Reserved
TOKO AMERICA REGIONAL OFFICES
Toko America, Inc. Headquarters
1250 Feehanville Drive, Mount Prospect, Illinois 60056
Tel: (847) 297-0070 Fax: (847) 699-7864
Western Regional Office
Toko America, Inc.
2480 North First Street , Suite 260
San Jose, CA 95131
Tel: (408) 432-8281
Fax: (408) 943-9790
Midwest Regional Office
Toko America, Inc.
1250 Feehanville Drive
Mount Prospect, IL 60056
Tel: (847) 297-0070
Fax: (847) 699-7864
Eastern Regional Office
Toko America, Inc.
107 Mill Plain Road
Danbury, CT 06811
Tel: (203) 748-6871
Fax: (203) 797-1223
IC-231-TK11031
0798O0.0K
Visit our Internet site at http://www.tokoam.com
Semiconductor Technical Support
Toko Design Center
4755 Forge Road
Colorado Springs, CO 80907
Tel: (719) 528-2200
Fax: (719) 528-2375
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.
0.8
0.8
3.3
0.4
2.2
0.3
1.2
0.15
0.3
1.0
3.0
e
1
Recommended Mount Pad
5
1
0 - 0.1
15 max
e
4
e
8
0.1
0.1
0.45
1.4max
(3.4)
3.5
marking
Dimensions are shown in millimeters
Tolerance: x.x =
0.2 mm (unless otherwise specified)
+0.3
- 0.1
+0.15
- 0.05
+ 0.3
+0.15
- 0.05
M
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