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| TK10416 DYNAMIC SPEAKER DRIVE 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-6) Adjustable Voltage Gain (VG1 = 0 to 40 dB) 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. TK10416M VOUT 1 VIN 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. VCC VOUT 2 GND Vref/Standby BLOCK DIAGRAM A1 + ORDERING INFORMATION TK10416M Tape/Reel Code VCC 10 k VCC 10 k 51 k - TAPE/REEL CODE TL: Tape Left December 1999 TOKO, Inc. + A2 43 k Page 1 TK10416 ABSOLUTE MAXIMUM RATINGS Supply Voltage ........................................................... 6 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 TK10416 ELECTRICAL CHARACTERISTICS Test Conditions: VCC = 3.6 V, f = 1.0 kHz, RL = 32 , TA = 25 C, unless otherwise specified. SYMBOL ICC ICC(STBY) ICONT VTHS GVO PARAMETER Supply Current Standby Supply Current Control Terminal Current Standby Threshold Voltage Open Circuit Voltage Gain TEST CONDITIONS VCC = 3.6 V, RL = VCC = 5.0 V, RL = VCC = 3.6 V = Pin 4, RL = Pin 4 Sink Current, VPin4 = VCC Pin 4 AMP1 AMP1 GV Voltage Gain AMP2 AMP1 + AMP2 THD Total Harmonic Distortion VCC = 3.6 V, POUT = 60 mW VCC = 5.0 V, POUT = 120 mW POUT(MAX) RR VOUT(DC) VOUT(OS) RL Maximum Output Power Ripple Rejection Ratio DC Voltage at Output Terminal Output Offset Voltage Load Resistance VCC = 3.6 V, THD 10% VCC = 5.0 V, THD 10% Cref = 22 F VOUT1 VOUT2 VOUT2 + VOUT1 1.20 1.20 -30.0 8 80 170 25.0 -3.0 31.0 VCC -0.4 71.0 28.0 0.0 34.0 0.5 0.5 120 280 42.5 1.40 1.40 0.0 32 1.60 1.60 +30.0 30.0 +3.0 36.0 1.0 1.0 MIN TYP 2.7 2.8 0.0 90 MAX 4.0 4.2 2.0 140 UNITS mA mA A A V dB dB dB dB % % mW mW dB V V mV 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. Page 2 December 1999 TOKO, Inc. TK10416 TEST CIRCUIT 75 k VCC + 33 F CIN + 1 F 3 k VIN RL + Cref = 22 F VCC TYPICAL PERFORMANCE CHARACTERISTICS POWER DISSIPATION vs. TEMPERATURE 800 700 mounted POWER DISSIPATION vs. OUTPUT POWER 250 V CC =5V R = 32 L 200 600 PD (mW) PD (mW) 500 free air 150 V CC =4V 400 300 200 100 0 -40 100 V 50 0 -20 0 20 TA (C) POWER DISSIPATION vs. OUTPUT POWER CC =3V 40 60 80 0 50 100 150 200 250 300 POUT (mW) POWER DISSIPATION vs. OUTPUT POWER 450 400 350 300 V CC =5V RL = 16 700 600 V RL = 8 =5V 500 CC PD (mW) 400 300 200 100 0 0 50 100 150 V =3V V CC =4V PD (mW) 250 200 150 V =3V V CC =4V CC 100 50 0 200 250 300 0 CC 50 100 150 200 250 300 350 POUT (mW) POUT (mW) December 1999 TOKO, Inc. Page 3 TK10416 TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) SUPPLY CURRENT AND OUTPUT VOLTAGE vs. INPUT VOLTAGE RL = SUPPLY CURRENT vs. OUTPUT POWER 160 VCC = 5 V, GV = 34 dB 4 ICC (mA) or VOUT1 (V) 140 120 ICC (mA) RL = 8 RL = 16 3 ICC 100 80 60 40 20 0 0 50 100 150 200 RL = 32 2 VOUT1 1 0 250 300 1 2 3 4 VCC (V) 5 6 7 POUT (mW) TOTAL HARMONIC DISTORTION vs. OUTPUT POWER 10 V = 3.6 V, CC GV = 34 dB, f = 1 kHz RL = 8 TOTAL HARMONIC DISTORTION vs. OUTPUT POWER 10 8 V = 5 V, CC GV = 34 dB, f = 1 kHz RL = 32 8 THD (%) RL = 32 RL = 16 4 2 0 0 50 100 150 200 250 POUT (mW) THD (%) 6 6 4 2 0 0 RL = 8 RL = 16 100 200 POUT (mW) 300 400 TOTAL HARMONIC DISTORTION vs. FREQUENCY 10 = 3 V, CC GV = 34 dB, POUT = 60 mW V RIPPLE REJECTION RATIO vs. FREQUENCY 55 50 45 100 F THD (%) RR (dB) GV = 34 dB, Cref = 10 to 100 47 F 40 35 30 1 RL = 8 22 F RL = 16 RL = 32 10 F 25 10 20 0.1 1 f (kHz) 10 100 0.1 0.1 1 f (kHz) Page 4 December 1999 TOKO, Inc. TK10416 TYPICAL PERFORMANCE CHARACTERISTICS (CONT.) VOLTAGE GAIN vs. FREQUENCY 35 1.0 F CIN = 0.1 to 1.0 F GV = 34 dB 0.1 F CONTROL TERMINAL CURRENT vs. SUPPLY VOLTAGE 160 140 120 ICONT (A) 30 GV (dB) 100 80 60 40 20 0 25 0.22 F 0.47 F 20 0.1 0.1 1 f (kHz) 10 100 2 2.5 3 3.5 4 4.5 5 5.5 VCC (V) SUPPLY CURRENT vs. REFERENCE/STANDBY VOLTAGE 3 V CC = 3.6 V 2.5 2 ICC (mA) 1.5 1 0.5 0 1 1.5 2 2.5 3 3.5 Vref / Standby (V) December 1999 TOKO, Inc. Page 5 TK10416 PIN FUNCTION DESCRIPTION TERMINAL VOLTAGE (V) VOUT (Note 1) PIN NO. 1 SYMBOL VOUT1 INTERNAL EQUIVALENT CIRCUIT VCC DESCRIPTION A1 amplifier output terminal 10 k 2 3 VCC VOUT2 VCC VOUT (Note 1) VCC Supply input terminal A2 amplifier output terminal 10 k 4 Vref / Standby VOUT (Note 1) VCC 51 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 A. 43 k 5 6 GND VIN 0V VOUT (Note 1) VCC Ground terminal A1 amplifier input terminal Vref 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. TK10416 NOTES December 1999 TOKO, Inc. Page 7 TK10416 PACKAGE OUTLINE Marking Information 0.4 - 0.05 0.1 6 Marking M 0.6 +0.15 SOT23L-6 TK10416 Marking 416 1.0 1 e 2 e 0.95 3 0.32 5 PL 0.95 +0.15 - 0.05 0.1 M e 0.95 e 0.95 Recommended Mount Pad 3.5 +0.3 - 0.1 2.2 0.3 (3.4) 1.4 max e1 3.0 1.2 +0.15 - 0.05 15 0 - 0.1 0.4 + 0.3 0.1 0.15 3.3 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 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 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 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 (c) 1999 Toko, Inc. All Rights Reserved IC-231-TK11031 0798O0.0K max December 1999 TOKO, Inc. Printed in the USA |
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