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TMPA2155DM Datasheet(PDF) 4 Page - Micro Electronics |
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TMPA2155DM Datasheet(HTML) 4 Page - Micro Electronics |
4 / 13 page Preliminary TMPA2155DM tai'mec www.taimec.com.tw / www.class-d.com.tw Rev.1.0 August 15, 2007 Copyright ©2005, Tai-1 Microelectronics Corp. 4 OPERATING CHARACTERISTICS TA=25。C, RL=8Ω speaker (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT RL=8 Ω 1.5 W RL=4 Ω 2.3 W PO Output power / Ch RL=3 Ω VDD=AVDD=5V. THD+N=10%,f=1kHz. 2.7 W VDD=AVDD=5V, PO=0.85W, RL=8Ω, f=1kHz 0.55 VDD=AVDD=5V, PO=1.3W, RL=4Ω, f=1kHz 0.55 THD+N Total harmonic distortion plus noise VDD=AVDD=5V, PO=1.5W, RL=3Ω, f=1kHz 0.64 % SNR Signal-to-noise ratio VDD=AVDD=5V, PO=1W, RL=8Ω 85 dB Crosstalk Crosstalk between outputs VDD=AVDD=5V, PO=1W RL=8Ω -60 dB TERMINAL FUNCTIONS TERMINAL NAME PIN NO I/O DESCRIPTION GND 2 I Digital ground IN- 4 I Negative differential input IN+ 3 I Positive differential input SDNB 5 I Shutdown terminal (active low logic) VDD 7 I Digital Power supply VDDA 6 I Analog Power supply VO+ 1 O Positive BTL output VO- 8 O Negative BTL output TYPICAL CHARACTERISTICS Note 1. Input coupling 1 µF capacitors are used for all measurements. 2. Differential inputs are applied and BTL outputs are measured. 3. Balanced LC filter is used for THD+N measurement and power efficiency measurement. 4. Characteristic frequency of the LC filter is set 41KHz unless otherwise specified. PDF created with pdfFactory trial version www.pdffactory.com |
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