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