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TS4972 Datasheet(PDF) 1 Page - STMicroelectronics |
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TS4972 Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 28 page  1/28 s OPERATING FROM V CC = 2.5V to 5.5V s RAIL TO RAIL OUTPUT s 1.2W OUTPUT POWER @ Vcc=5V, THD=1%, F=1kHz, with 8 Ω Load s ULTRA LOW CONSUMPTION IN STANDBY MODE (10nA) s 75dB PSRR @ 217Hz from 2.5 to 5V s LOW POP & CLICK s ULTRA LOW DISTORTION (0.05%) s UNITY GAIN STABLE s FLIP CHIP PACKAGE 8 x 300 µm bumps DESCRIPTION The TS4972 is an Audio Power Amplifier capable of delivering 1.6W of continuous RMS ouput pow- er into a 4 Ω load @ 5V. This Audio Amplifier is exhibiting 0.1% distortion level (THD) from a 5V supply for a Pout = 250mW RMS. An external standby mode control reduces the supply current to less than 10nA. An internal shutdown protection is provided. The TS4972 has been designed for high quality audio applications such as mobile phones and to minimize the number of external components. The unity-gain stable amplifier can be configured by external gain setting resistors. APPLICATIONS s Mobile Phones (Cellular / Cordless) s PDAs s Laptop/Notebook computers s Portable Audio Devices ORDER CODE J = Flip Chip Package - only available in Tape & Reel (JT)) PIN CONNECTIONS (Top View) Part Number Temperature Range Package Marking J TS4972IJT -40, +85°C • 4972 TYPICAL APPLICATION SCHEMATIC Cb Cin Rin Rfeed Rstb RL 8 Ohms Cs Input Audio Cfeed Bias AV = -1 Vin- Vin+ Bypass Standby GND Vout 1 Vout 2 + - + - 1 3 6 8 2 5 7 4 TS4972 VCC VCC VCC TS4972JT - FLIP CHIP 12 3 76 5 8 4 Gnd Bypass Vout2 Stdby Vcc Vout1 Vin + Vin 1.2W AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE HIGH January 2003 TS4972 |
Número de pieza similar - TS4972 |
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Descripción similar - TS4972 |
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