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TK10417 Datasheet Preview

TK10417 Datasheet

POWER AMPLIFIER

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TK10417 pdf
FEATURES
s Very Wide Operating Voltage (VCC = 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 (VG1 = 0 to 40 dB)
s Active High On/Off Control
TK10417
POWER AMPLIFIER
APPLICATIONS
s Speaker Driver for Portable Equipment
s Headphone Driver
s Toys
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.
TK10417M
STANDBY
VIN+
01S
VIN-
GND
Vref
VCC
GND
VOUT
ORDERING INFORMATION
TK10417M
Tape/Reel Code
TAPE/REEL CODE
TL: Tape Left
January 2000 TOKO, Inc.
BLOCK DIAGRAM
47 k
43 k
-
+
100 k
Logic
High: Active
Page 1



TOKO
TOKO

TK10417 Datasheet Preview

TK10417 Datasheet

POWER AMPLIFIER

No Preview Available !

TK10417 pdf
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 , COUT = 470 µF, TA = 25 °C, unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNITS
ICC
ISTBY
ICONT
VTHL
V
TLH
Supply Current
Standby Supply Current
Control Terminal Current
Threshold Voltage (High to
Low)
Threshold Voltage (Low to
High)
VCC = 3.6 V, RL =
VCC = 5.0 V, RL =
Pin 1 = GND, RL =
Pin 1 = VCC = 3.6 V,
Sink Current
Pin 1, Operation to Standby
Pin 1, Standby to Operation
2.0 3.0 mA
2.1 3.2 mA
0.1 1.0 µA
42 100 µA
0.0 0.5 V
1.8 V V
CC
GVA
Voltage Gain
24.0 26.0 27.0
dB
THD
Total Harmonic Distortion
POUT(MAX)
Maximum Output Power
RR
VOUT(NOISE)
VOUT(DC)
Ripple Rejection Ratio
Output Noise Voltage
DC Voltage at Output
Terminal
VCC = 3.6 V, POUT = 40 mW
VCC = 5.0 V, POUT = 90 mW
VCC = 3.6 V, THD 10%
VCC = 5.0 V, THD 10%
Cref = 22 µF, f = 1 kHz
Rg = 600 , VIN = 0 V
0.5 1.0 %
0.5 1.0 %
60 90
mW
140 200
mW
45.0 dB
100 500
µV
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.


Part Number TK10417
Description POWER AMPLIFIER
Maker TOKO
Total Page 8 Pages
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