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G1421 Datasheet(PDF) 2 Page - Global Mixed-mode Technology Inc |
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G1421 Datasheet(HTML) 2 Page - Global Mixed-mode Technology Inc |
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2 / 24 page  Ver: 1.6 Aug 04, 2005 TEL: 886-3-5788833 http://www.gmt.com.tw 2 G1421 Global Mixed-mode Technology Inc. Absolute Maximum Ratings Supply Voltage, VDD……………………..………...…...6V Input Voltage, VI………………………-0.3V to VDD+0.3V Operating Ambient Temperature Range TA…….…………………………..….…….-40°C to +85°C Maximum Junction Temperature, TJ…..…………150°C Storage Temperature Range, TSTG….…-65°C to+150°C Reflow Temperature (soldering, 10sec)…………260°C Power Dissipation (1) TA ≤ 25°C…………………………………………..2.7W TA ≤ 70°C…………………………………………..1.7W TA ≤ 85°C………………….……………………….1.4W Electrostatic Discharge, VESD Human body mode Lout- pin………………………..…………-8000 to 8000V Other pins………………………………...-3000 to 3000(2) Note: (1) : Recommended PCB Layout. (2) : Human body model : C = 100pF, R = 1500Ω, 3 positive pulses plus 3 negative pulses Electrical Characteristics DC Electrical Characteristics, TA=+25°C PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT VDD =3.3V HP-IN --- 5.5 11 VDD = 5V HP-IN --- 6.5 14 Stereo BTL --- 7 13 VDD =3.3V Stereo SE --- 3.5 8 Stereo BTL --- 8 16 Supply Current IDD VDD = 5V Stereo SE --- 4 10 mA DC Differential Output Voltage VO(DIFF) VDD = 5V,Gain = 2 --- 5 50 mV Stereo BTL --- 8 16 HP-IN --- 6.5 14 Supply Current in Mute Mode IDD(MUTE) VDD = 5V Stereo SE --- 4 10 mA IDD in Shutdown ISD VDD = 5V --- 2 5 µA (AC Operation Characteristics, VDD = 5.0V, TA=+25°C, RL = 4Ω, unless otherwise noted) PARAMETER SYMBOL CONDITION MIN TYP MAX UNIT THD = 1%, BTL, RL = 4Ω --- 1.8 --- THD = 1%, BTL, RL = 8Ω --- 1.12 --- THD = 10%, BTL, RL = 4Ω --- 2 --- THD = 10%, BTL, RL = 8Ω --- 1.4 --- W THD = 1%, SE, RL = 4Ω --- 500 --- THD = 1%, SE, RL = 8Ω --- 320 --- THD = 10%, SE, RL = 4Ω --- 650 --- THD = 10%, SE, RL L = 8Ω --- 400 --- Output power (each channel) see Note P(OUT) THD = 0.5%, SE, RL = 32Ω --- 90 --- mW PO = 1.6W, BTL, RL = 4Ω --- 500 --- PO = 1W, BTL, RL = 8Ω --- 150 --- PO = 75mW, SE, RL = 32Ω --- 20 --- Total harmonic distortion plus noise THD+N VI = 1V, RL = 10KΩ, G = 1 --- 10 --- m% Maximum output power bandwidth BOM G = 1, THD =1% --- 20 --- kHz Phase margin RL = 4Ω, Open Load --- 60 --- ° Power supply ripple rejection PSRR f = 120Hz --- 75 --- dB Mute attenuation --- 85 --- dB Channel-to-channel output separation f = 1kHz --- 82 --- dB Line/HP input separation --- 80 --- dB BTL attenuation in SE mode --- 85 --- dB Input impedance ZI --- 2 --- M Ω Signal-to-noise ratio PO = 500mW, BTL --- 90 --- dB Output noise voltage Vn Output noise voltage --- 55 --- µV (rms) Note :Output power is measured at the output terminals of the IC at 1kHz. |
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