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TPA2028D1 데이터시트(PDF) 4 Page - Texas Instruments |
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TPA2028D1 데이터시트(HTML) 4 Page - Texas Instruments |
4 / 37 page TPA2028D1 SLOS660 – JANUARY 2010 www.ti.com AVAILABLE OPTIONS(1) TA PACKAGED DEVICES(2) PART NUMBER SYMBOL TPA2028D1YZFR –40°C to 85°C 9-ball, WCSP NSU TPA2028D1YZFT (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI Web site at www.ti.com (2) The YZF packages are only available taped and reeled. The suffix R indicates a reel of 3000; the suffix T indicates a reel of 250. RECOMMENDED OPERATING CONDITIONS MIN MAX UNIT VDD Supply voltage PVDD 2.5 5.5 V VIH High-level input voltage EN, SDA, SCL 1.3 V VIL Low-level input voltage EN, SDA, SCL 0.6 V TA Operating free-air temperature –40 +85 °C ELECTRICAL CHARACTERISTICS at TA = 25°C, VDD = 3.6 V, SDZ = 1.3 V, and RL = 8 Ω + 33 mH (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VDD Supply voltage range 2.5 3.6 5.5 V EN = 0.35 V, VDD = 2.5 V 0.1 1 ISDZ Shutdown quiescent current EN = 0.35 V, VDD = 3.6 V 0.2 1 µA EN = 0.35 V, VDD = 5.5 V 0.3 1 EN = 1.3 V, VDD = 2.5 V 35 50 Software shutdown quiescent ISWS EN = 1.3 V, VDD = 3.6 V 50 70 µA current EN = 1.3 V, VDD = 5.5 V 75 100 VDD = 2.5 V 1.5 2.5 IDD Supply current VDD = 3.6 V 1.7 2.7 mA VDD = 5.5 V 2 3.5 fSW Class D Switching Frequency 275 300 325 kHz IIH High-level input current VDD = 5.5 V, EN = 5.8 V 1 µA IIL Low-level input current VDD = 5.5 V, EN = –0.3 V –1 µA tSTART Start-up time 2.5 V ≤ VDD ≤ 5.5 V no pop, CIN ≤ 1 mF 5 ms POR Power on reset ON threshold 2 2.3 V POR Power on reset hysteresis 0.2 V RL = 8 Ω, Vicm = 0.5 V and Vicm = VDD – 0.8 V, CMRR Input common mode rejection –75 dB differential inputs shorted VDD = 3.6 V, AV = 6 dB, RL = 8 Ω, inputs ac Voo Output offset voltage 1.5 10 mV grounded Output Impedance in shutdown 2 k Ω ZOUT EN = 0.35 V mode Gain accuracy Compression and limiter disabled, Gain = 0 to 30 dB –0.5 0.5 dB PSRR Power supply rejection ratio VDD = 2.5 V to 4.7 V –80 dB 4 Copyright © 2010, Texas Instruments Incorporated Product Folder Link(s): TPA2028D1 |
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유사한 설명 - TPA2028D1_10 |
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