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LM48100QMHX bảng dữ liệu(PDF) 4 Page - Texas Instruments |
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4 / 24 page LM48100Q SNAS470D – OCTOBER 2008 – REVISED MARCH 2013 www.ti.com Operating Ratings (1) (2) Temperature Range TMIN ≤ TA ≤ TMAX −40°C ≤ TA ≤ +105°C Supply Voltage VDD and PVDD 3.0V ≤ VDD ≤ 5.5V I2C Supply Voltage I2CVDD 1.8V ≤ I2CVDD ≤ 5.5V I2CVDD ≤ VDD (1) “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All voltages are measured with respect to the ground pin, unless otherwise specified. (2) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not ensured. Audio Amplifier Electrical Characteristics VDD = 5.0V (1) (2) The following specifications apply for Programmable Gain = 0dB, RL = 8Ω, f = 1kHz, unless otherwise specified. Limits apply for TA = 25°C. LM48100Q Typical Room Extended Units Symbol Parameter Conditions (3) Temp Temp Limits (Limits) Limits (4) (5) (4) VIN = 0V, Both channels active Quiescent Power Supply IDD RL = 8Ω 4.4 9 10.8 mA (max) Current RL = ∞ 4.2 6 7.9 mA (max) Diagnostic Mode Quiescent IDD Diagnostic Mode Enabled, RL = ∞ 12.5 14.5 mA (max) Power Supply Current ISD Shutdown Current Shutdown Enabled 0.01 1 µA (max) Differential Output Offset VOS VIN = 0V, RL = 8Ω 8.8 50 75 mV (max) Voltage TWU Wake-Up Time Time from shutdown to audio available 11.6 50 ms (max) dB (max) Minimum Gain Setting –54 ±1.0 ±2.0 dB (min) AV Gain dB (max) Maximum Gain Setting 18 ±1.0 ±1.0 dB (min) Mute Mute Attenuation –80 –77 –74 dB (max) 11.5 k Ω (min) AV = 18dB 12.5 13.5 k Ω (max) RIN Input Resistance 98 89 k Ω (min) AV = –54dB 110 120 130 k Ω (max) RL = 8Ω, f = 1kHz PO Output Power THD+N = 10% 1.6 W THD+N = 1% 1.3 1.05 0.96 W (min) Total Harmonic Distortion + THD+N PO = 850mW, f = 1kHz, RL = 8Ω 0.04 % Noise VRIPPLE = 200mVP-P Sine, Inputs AC GND, CIN_= 1μF, input referred, CBIAS = 2.2μF Power Supply Rejection PSRR f = 217Hz 79 66 63 dB (min) Ratio f = 1kHz 74 dB (1) “Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All voltages are measured with respect to the ground pin, unless otherwise specified. (2) The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and are not ensured. (3) Typical values represent most likely parametric norms at TA = +25ºC, and at the Recommended Operation Conditions at the time of product characterization and are not specified. (4) Datasheet min/max specification limits are specified by test or statistical analysis. (5) Min/max specification limits specified for TA = –40°C to 105°C. 4 Submit Documentation Feedback Copyright © 2008–2013, Texas Instruments Incorporated Product Folder Links: LM48100Q |
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