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TK10416M Schematic ( PDF Datasheet ) - TOKO

Teilenummer TK10416M
Beschreibung DYNAMIC SPEAKER DRIVE AMPLIFIER
Hersteller TOKO
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Gesamt 8 Seiten
TK10416M Datasheet, Funktion
TK10416
DYNAMIC SPEAKER DRIVE AMPLIFIER
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-6)
s Adjustable Voltage Gain (VG1 = 0 to 40 dB)
s Needs No Output Coupling Capacitor
APPLICATIONS
s Speaker Driver for Portable Equipment
s Headphone Driver
s Toys
DESCRIPTION
The TK10416M is a very low operating voltage and current
audio power amplifier to drive dynamic speakers.
The TK10416M drives the speaker directly, because the
device has a differential output that does not need an
output coupling capacitor.
The voltage gain is adjustable by two external resistors.
The TK10416M is available in the very small SOT23L-6
surface mount package.
The small package in conjunction with few external
components save printed circuit board space.
ORDERING INFORMATION
TK10416M
Tape/Reel Code
TAPE/REEL CODE
TL: Tape Left
December 1999 TOKO, Inc.
TK10416M
VOUT 1
VCC
VOUT 2
VIN
GND
Vref/Standby
BLOCK DIAGRAM
A1
VCC
10 k
10 k
A2
VCC
51 k
43 k
Page 1






TK10416M Datasheet, Funktion
TK10416
PIN FUNCTION DESCRIPTION
PIN NO.
SYMBOL
TERMINAL
VOLTAGE (V)
INTERNAL EQUIVALENT CIRCUIT
DESCRIPTION
1 VOUT1
VOUT
(Note 1)
VCC
A1 amplifier output terminal
10 k
2 VCC
VCC
3 VOUT2
VOUT
(Note 1)
VCC
10 k
Supply input terminal
A2 amplifier output terminal
4 V/
V
ref OUT
Standby
(Note 1)
VCC
51 k
43 k
Reference voltage terminal.
When this terminal is VCC, the
device is in the standby mode and
the supply current is down to
under 0.1 µA.
5 GND
0V
6 VIN
VOUT
(Note 1)
VCC
Vref
Ground terminal
A1 amplifier input terminal
Note 1: Terminal voltage with no input signal is calculated by the following equation:
43 k
VOUT = (VCC - 0.56) X 43 k + 51 k
Page 6
December 1999 TOKO, Inc.

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