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LM4857 bảng dữ liệu(PDF) 10 Page - Texas Instruments |
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LM4857 bảng dữ liệu(HTML) 10 Page - Texas Instruments |
10 / 39 page LM4857 SNAS229I – OCTOBER 2003 – REVISED APRIL 2013 www.ti.com Volume Control Electrical Characteristics (1) (2) The following specifications apply for VDD = 5.0V and VDD = 3.0V, unless otherwise specified. Limits apply for TA = 25°C. Symbol Parameter Conditions LM4857 Units (Limits) Typical(3) Limits(4)(5) maximum gain setting 6 5.5 dB (min) 6.5 dB (max) Stereo Volume Control Range minimum gain setting -40.5 -41 dB (min) -40 dB (max) maximum gain setting 12 11.5 dB (min) 12.5 dB (max) Mono Volume Control Range minimum gain setting -34.5 -35 dB (min) -34 dB (max) Volume Control Step Size 1.5 dB Volume Control Step Size Error +/-0.2 +/-0.5 dB (max) Stereo Channel to Channel Gain 0.3 dB Mismatch Mode 12, Vin = 1VRMS Mute Attenuation Headphone 85 dB Line Out 85 dB maximum gain setting 33.5 25 k Ω (min) 42 k Ω (max) LIN and RIN Input Impedance minimum gain setting 100 75 k Ω (min) 125 k Ω (max) MIN Input Impedance maximum gain setting 20 15 k Ω (min) 25 k Ω (max) minimum gain setting 98 73 k Ω (min) 123 k Ω (max) (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 specify specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which specify specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not specified 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 ensured to AOQL (Average Outgoing Quality Level). (5) Datasheet min/max specification limits are ensured by design, test, or statistical analysis. 10 Submit Documentation Feedback Copyright © 2003–2013, Texas Instruments Incorporated Product Folder Links: LM4857 |
Số phần tương tự - LM4857 |
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Mô tả tương tự - LM4857 |
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