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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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LM4985 데이터시트(PDF) 7 Page - Texas Instruments |
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LM4985 데이터시트(HTML) 7 Page - Texas Instruments |
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7 / 33 page  LM4985, LM4985TMEVAL www.ti.com SNAS346B – MAY 2006 – REVISED MAY 2006 Electrical Characteristics VDD = 3.6V (1)(2) (continued) The following specifications apply for RL = 16Ω, f = 1kHz, and CB = 4.7µF unless otherwise specified. Limits apply to TA = 25°C. Symbol Parameter Conditions LM4985 Units (Limits) Typ(3) Limit(4)(5) CBYPASS= 4.7μF (7) WT1 = 0, WT0 = 0 OCL 66 93 C-CUPL 222 WT1 = 0, WT0 = 1 OCL 92 TWU Wake Up Time from Shutdown C-CUPL 405 msec WT1 = 1, WT0 = 0 OCL 143 C-CUPL 774 WT1 = 1, WT0 =1 OCL 246 C-CUPL 1532 Stereo mode 20 RIN Input Resistance k Ω Mono mode 10 AVMIN Minimum Gain Code = 00000 –76 –72 dB (max) AVMAX Maximum Gain Code = 11111 18 17 dB (min) 18dB ≥ AV ≥–44dB ± 0.5 ± 1.0 ΔAV Gain Accuracy per Step dB –44dB ≥ AV > –76dB ± 1.0 ± 2.0 OCL VOS Output Offset Voltage RLOAD = 32Ω 2.0 20 mV (max) VIN = AC GND (7) The wake-up time (TWU) is calculated using the following formula; TWU = [CBYPASS (VDD) / 2 (IBYPASS)] + 40ms. Electrical Characteristics VDD = 2.5V (1) (2) The following specifications apply for RL = 16Ω, f = 1kHz, and CB = 4.7µF unless otherwise specified. Limits apply to TA = 25°C. Symbol Parameter Conditions LM4985 Units (Limits) Typ(3) Limit(4)(5) VIN = 0V, IOUT = 0A Single-Channel no load OCL 1.6 IDD Quiescent Power Supply Current Single-Channel no load C-CUPL 1 mA Dual-Channel no load OCL 2.1 Dual-Channel no load C-CUPL 1.6 ISD Shutdown Current VSHUTDOWN = GND 0.1 µA VSDIH Logic Voltage Input High 1.75 V (min) VSDIL Logic Voltage Input Low 0.75 V (max) THD+N < 1%, fIN = 1kHz RLOAD = 16Ω OCL 31 PO Output Power RLOAD = 16Ω C-CUPL 33 mW RLOAD = 32Ω OCL 19 RLOAD = 32Ω C-CUPL 19 (1) All voltages are measured with respect to the GND pin unless otherwise specified. (2) Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is functional but do not ensure specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which ensure specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not ensured for parameters where no limit is given, however, the typical value is a good indication of device performance. (3) Typicals are measured at 25°C and represent the parametric norm. (4) Limits are specified to Texas Instruments' AOQL (Average Outgoing Quality Level). (5) Datasheet min/max specification limits are specified by design, test, or statistical analysis. Copyright © 2006, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM4985 LM4985TMEVAL |
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유사한 설명 - LM4985_14 |
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