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TK10417

TOKO
Part Number TK10417
Manufacturer TOKO
Description POWER AMPLIFIER
Published Apr 16, 2005
Detailed Description TK10417 POWER AMPLIFIER FEATURES s s s s s s Very Wide Operating Voltage (VCC = 1.8 to 5.5 V) Very Low Supply Current Ve...
Datasheet PDF File TK10417 PDF File

TK10417
TK10417

Overview
TK10417 POWER AMPLIFIER FEATURES s s s s s s Very Wide Operating Voltage (VCC = 1.
8 to 5.
5 V) Very Low Supply Current Very Low Standby Current Miniature Package (SOT23L-8) Adjustable Voltage Gain (VG1 = 0 to 40 dB) Active High On/Off Control 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.
01S TK10417M STANDBY VIN+ Vref VCC GND VOUT The TK10417M is available in the very small SOT23L-8 surface mount package.
VINGND BLOCK DIAGRAM - ORDERING INFORMATION + TK10417M Tape/Reel Code 47 kΩ 100 kΩ 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 ICC ISTBY ICONT VTHL VTLH GVA THD PARAMETER Supply Current Standby Supply Current Control Terminal Current Threshold Voltage (High to Low) Threshold Voltage (Low to High) Voltage Gain Total Harmonic Distortion VCC = 3.
6 V, POUT = 40 mW VCC = 5.
0 V, POUT = 90 mW POUT(MAX) RR VOUT(NOISE) VOUT(DC) Maximum Output Power Ripple Rejection Ratio Output Noise Voltage DC Voltage at Output Terminal VCC = 3.
6 V, THD ≤ 10% VCC = 5.
0 V, THD ≤ 10% Cref = 22 µF, f = 1 kHz Rg = 600 Ω, VIN = 0 V 1.
20 60 140 TEST CONDITIONS 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 0.
0 1.
8 24.
...


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