TK10417MTL [TOKO]
POWER AMPLIFIER; 功率放大器
| 型号： | TK10417MTL |
| 厂家： | 
TOKO, INC |
| 描述： | POWER AMPLIFIER |
| 文件： | 总8页 (文件大小：66K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TK10417
POWER AMPLIFIER
APPLICATIONS
FEATURES
■ Very Wide Operating Voltage (VCC = 1.8 to 5.5 V)
■ Very Low Supply Current
■ Speaker Driver for Portable Equipment
■ Headphone Driver
■ Very Low Standby Current
■ Toys
■ Miniature Package (SOT23L-8)
■ Adjustable Voltage Gain (VG1 = 0 to 40 dB)
■ Active High On/Off Control
DESCRIPTION
TK10417M
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.
V
V
STANDBY
ref
V
+
IN
CC
S
1
The TK10417M is available in the very small SOT23L-8
surface mount package.
-
GND
V
IN
GND
V
OUT
BLOCK DIAGRAM
-
ORDERING INFORMATION
+
TK10417M
100 kΩ
47 kΩ
Tape/Reel Code
43 kΩ
Logic
High: Active
TAPE/REEL CODE
TL: Tape Left
January 2000 TOKO, Inc.
Page 1
TK10417
ABSOLUTE MAXIMUM RATINGS
Supply Voltage ........................................................... 8 V
Operating Voltage ......................................... 1.8 to 5.5 V
Power Dissipation (Notes 1 and 2)..................... 400 mW
Storage Temperature Range ................... -55 to +150 °C
Operating Temperature Range ...................-20 to +70 °C
TK10417 ELECTRICAL CHARACTERISTICS
Test Conditions: VCC = 3.6 V, f = 1.0 kHz, RL = 8 Ω, COUT = 470 µF, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
TYP
2.0
2.1
0.1
MAX
3.0
UNITS
mA
V
CC = 3.6 V, RL = ∞
ICC
Supply Current
VCC = 5.0 V, RL = ∞
Pin 1 = GND, RL = ∞
3.2
mA
ISTBY
ICONT
Standby Supply Current
Control Terminal Current
1.0
µA
Pin 1 = VCC = 3.6 V,
Sink Current
42
100
0.5
VCC
µA
V
Threshold Voltage (High to
Low)
VTHL
Pin 1, Operation to Standby
Pin 1, Standby to Operation
0.0
Threshold Voltage (Low to
High)
VTLH
1.8
V
GVA
Voltage Gain
24.0
26.0
0.5
27.0
1.0
dB
%
V
V
CC = 3.6 V, POUT = 40 mW
CC = 5.0 V, POUT = 90 mW
THD
Total Harmonic Distortion
0.5
1.0
%
VCC = 3.6 V, THD ≤ 10%
60
90
mW
mW
dB
µV
POUT(MAX)
Maximum Output Power
VCC = 5.0 V, THD ≤ 10%
140
200
45.0
100
RR
Ripple Rejection Ratio
Output Noise Voltage
Cref = 22 µF, f = 1 kHz
VOUT(NOISE)
Rg = 600 Ω, VIN = 0 V
500
DC Voltage at Output
Terminal
VOUT(DC)
1.20
1.40
1.60
V
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.
Page 2
January 2000 TOKO, Inc.
TK10417
TEST CIRCUIT
V
CC
+
R
f
33 µF
56 kΩ
C
2.2 µF
R
3 kΩ
S
S
C
OUT
+
470 µF
V
C
1.0 µF
OUT
IN
+
R
8 Ω
L
V
IN
+
R
g
600 Ω
+
C
22 µF
ref
V
STBY
January 2000 TOKO, Inc.
Page 3
TK10417
TYPICAL PERFORMANCE CHARACTERISTICS
TOTAL HARMONIC DISTORTION vs.
OUTPUT POWER
TOTAL HARMONIC DISTORTION vs.
OUTPUT POWER
10
10
V
= 3.6 V
V
= 5.0 V
CC
CC
GVA = 26 dB
f = 1 kHz
GVA = 26 dB
f = 1 kHz
1
1
0.1
10
R
= 8 Ω
R
= 8 Ω
L
L
R
= 16 Ω
R
= 16 Ω
L
L
R
= 32 Ω
R
= 32 Ω
L
L
0.1
10
1
10
P
100
1000
1
10
P
100
(mW)
OUT
1000
(mW)
OUT
TOTAL HARMONIC DISTORTION vs.
FREQUENCY
TOTAL HARMONIC DISTORTION vs.
FREQUENCY
V
= 3.6 V
V
= 5.0 V
CC
GVA = 26 dB
= 30 mV
CC
GVA = 26 dB
V
V
= 40 mV
IN
IN
1
0.1
1
0.1
R
= 8 Ω
L
R
= 8 Ω
L
R
= 16 Ω
L
R
= 16 Ω
L
R
= 32 Ω
L
R
= 32 Ω
L
0.01
0.01
0.01
0.1
1
10
0.01
0.1
1
10
f (kHz)
f (kHz)
RIPPLE REJECTION vs.
FREQUENCY
OUTPUT POWER vs.
SUPPLY VOLTAGE
60
50
40
30
20
10
0
300
250
200
150
100
50
V
= 3.6
= 200 mV
CC
f = 1 kHz
THD = 10%
V
RIP
R
= 8 Ω
L
C
= 22 µF
= 10 µF
ref
R
= 16 Ω
C
L
ref
C
= 4.7 µF
= 1.0 µF
ref
C
ref
R
= 32 Ω
L
0
0.01
0.1
1
10
100
1
2
3
4
5
6
f (kHz)
V
CC
(V)
Page 4
January 2000 TOKO, Inc.
TK10417
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
SUPPLY CURRENT vs.
SUPPLY VOLTAGE
DC VOLTAGE AT OUTPUT TERMINAL
vs. SUPPLY VOLTAGE
3
2
3
2
1
0
1
0
1
2
3
4
5
6
1
2
3
4
5
6
V
CC
(V)
V
CC
(V)
SUPPLY CURRENT vs.
STANDBY VOLTAGE
CONTROL TERMINAL CURRENT
vs. STANDBY VOLTAGE
3
2
1
0
70
V
= 5.0 V
V
= 5.0 V
CC
CC
60
50
40
30
20
10
0
0
1
2
3
0
1
2
3
4
5
V
STBY
(V)
V
STBY
(V)
OUTPUT VOLTAGE vs.
FREQUENCY
OUTPUT VOLTAGE vs.
FREQUENCY
5
0
5
0
-5
C
= 1000 µF
C
= 470 µF
OUT
OUT
-5
C
= 470 µF
C
OUT
= 220 µF
-10
-15
-20
OUT
C
= 220 µF
C
= 100 µF
OUT
OUT
-10
C
= 100 µF
C
= 47 µF
OUT
OUT
R
= 8 Ω
= 1.0 µF
= 2.2 µF
R
= 32 Ω
= 1.0 µF
= 2.2 µF
L
L
-15
-20
C
C
C
IN
IN
-25
-30
C
S
S
0.01
0.1
1
10
0.01
0.1
1
10
f (kHz)
f (kHz)
January 2000 TOKO, Inc.
Page 5
TK10417
TYPICAL PERFORMANCE CHARACTERISTICS (CONT.)
POWER DISSIPATION
vs. TEMPERATURE
POWER DISSIPATION
vs. OUTPUT POWER
800
700
600
500
400
300
200
100
0
140
120
100
80
R
= 32 Ω
L
V
= 5.0 V
CC
Mounted
Free Air
V
= 4.0 V
CC
60
V
= 3.0 V
CC
40
20
0
-40 -20
0
20 40
60
80
0
20
40
60
80
T
A
(°C)
P
(mW)
OUT
POWER DISSIPATION
vs. OUTPUT POWER
POWER DISSIPATION
vs. OUTPUT POWER
400
800
700
600
500
400
300
200
100
0
R
= 16 Ω
R
= 8 Ω
L
L
V
= 5.0 V
CC
350
V
= 5.0 V
CC
300
250
200
150
100
50
V
= 4.0 V
CC
V
= 4.0 V
CC
V
= 3.0 V
CC
V
= 3.0 V
CC
0
0
50
P
100
150
0
50
100
150
(mW)
200
250
(mW)
P
OUT
OUT
PIN FUNCTION DESCRIPTION
TERMINAL
VOLTAGE (V)
PIN NO. SYMBOL
INTERNAL EQUIVALENT CIRCUIT
DESCRIPTION
1
STANDBY
VCC
Circuit is in the ON mode when
Pin 1 is high.
68 k
75 k
Circuit is in the OFF mode with
supply current less than 0.1 µA
when Pin 1 is low (GND level).
Page 6
January 2000 TOKO, Inc.
TK10417
PIN FUNCTION DESCRIPTION (CONT.)
TERMINAL
VOLTAGE (V)
PIN NO. SYMBOL
2 VIN+
INTERNAL EQUIVALENT CIRCUIT
DESCRIPTION
VOUT
Amplifier Non-inverting Input
Terminal.
V
CC
V
ref
100 kΩ
Terminal is connected via 100 kΩ
to Vref.
V
-
IN
3
VIN-
VOUT
Amplifier Inverting Input Terminal.
V
CC
V
ref
100 kΩ
V
+
IN
4,6
5
GND
VOUT
0 V
GND Terminal
VOUT
Output Terminal
V
CC
7
8
VCC
Vref
VCC
Power Supply Terminal
VOUT
Reference Voltage Terminal
V
CC
47 k
43 k
Note 1: Terminal voltage with no input signal is calculated by the following equation:
43 k
V
= (V - 0.56) X
CC
OUT
43 k + 47 k
January 2000 TOKO, Inc.
Page 7
TK10417
PACKAGE OUTLINE
Marking Information
SOT23L-8
Marking
0.45
TK10417
417
8
5
marking
e
0.8
1
4
Recommended Mount Pad
+0.15
0.3- 0.05
e
0.8
M
0.1
+0.3
3.5 - 0.1
2.2
(3.4)
0.4
+ 0.3
3.3
0.1
Dimensions are shown in millimeters
Tolerance: x.x = ± 0.2 mm (unless otherwise specified)
Toko America, Inc. Headquarters
1250 Feehanville Drive, Mount Prospect, Illinois 60056
Tel: (847) 297-0070 Fax: (847) 699-7864
TOKO AMERICA REGIONAL OFFICES
Midwest Regional Office
Toko America, Inc.
1250 Feehanville Drive
Mount Prospect, IL 60056
Tel: (847) 297-0070
Western Regional Office
Toko America, Inc.
2480 North First Street , Suite 260
San Jose, CA 95131
Tel: (408) 432-8281
Fax: (408) 943-9790
Eastern Regional Office
Toko America, Inc.
107 Mill Plain Road
Danbury, CT 06811
Tel: (203) 748-6871
Fax: (203) 797-1223
Semiconductor Technical Support
Toko Design Center
4755 Forge Road
Colorado Springs, CO 80907
Tel: (719) 528-2200
Fax: (719) 528-2375
Fax: (847) 699-7864
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
January 2000 TOKO, Inc.
© 1999 Toko, Inc.
IC-231-TK11031
0798O0.0K
Printed in the USA
All Rights Reserved
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