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LM4734TABD Datasheet(PDF) 4 Page - Texas Instruments |
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LM4734TABD Datasheet(HTML) 4 Page - Texas Instruments |
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4 / 28 page  LM4734, LM4734TABD SNAS239A – MAY 2004 – REVISED MARCH 2006 www.ti.com Electrical Characteristics (1) (2) The following specifications apply for V + = +21V, V- = −21V, and R L = 8Ω unless otherwise specified. Limits apply for TA = 25°C. Symbol Parameter Conditions LM4734 Units (Limits) Typical(3) Limit(4)(5) 20 V (min) |V+| + |V-| Power Supply Voltage(6) GND − V- ≥ 9.5V 18 60 V (max) AM Mute Attenuation VMUTE = 2.5V 110 dB THD+N = 10% (max), f = 1kHz PO Output Power (RMS) |V+| = |V-| = 17V, RL = 4Ω 20 15 W (min) |V+| = |V-| = 21V, RL = 8Ω 20 15 W (min) THD+N = 1% (max), f = 1kHz |V+| = |V-| = 17V, RL = 4Ω 17 W |V+| = |V-| = 21V, RL = 8Ω 18 W PO = 1W, f = 1kHz AV = 26dB THD+N Total Harmonic Distortion + Noise |V+| = |V-| = 17V, RL = 4Ω 0.05 % |V+| = |V-| = 21V, RL = 8Ω 0.03 % PO = 10W, f = 1kHz 65 dB Xtalk Channel Separation(7) PO = 10W, f = 10kHz 55 dB SR Slew Rate VIN = 1.414VRMS, trise = 2ns 18 V/ μs IDD Total Quiescent Power Supply VCM = 0V, VO = 0V, IO = 0A Current VSTANDBY = GND, Standby = Off 75 120 mA (max) VSTANDBY = 5V, Standby = On 8 10 mA (max) VOS Input Offset Voltage VCM = 0V, IO = 0mA 2.0 15 mV (max) IB Input Bias Current VCM = 0V, IO = 0mA 0.2 μA V+ = 21V + VRIPPLE (1VRMS), 75 dB fRIPPLE = 120Hz Sine, V -= –21V DC PSRR Power Supply Rejection Ratio V-= –21V + VRIPPLE (1VRMS), 64 dB fRIPPLE = 120Hz Sine, V + = 21V DC AVOL Open Loop Voltage Gain |V+| = |V-| = 21V, RL = 2kΩ 110 dB ΔVO = 15V eIN Input Noise IHF-A-Weighting Filter, 2.0 μV RIN = 600Ω (Input Referred) Standby VIL Standby Low Input Voltage Play Mode 0.8 V (max) VIH Standby High Input Voltage Standby Mode 2.0 2.5 V (min) Mute VIL Mute Low Input Voltage Play Mode 0.8 V (max) VIH Mute High Input Voltage Mute Mode 2.0 2.5 V (min) (1) All voltages are measured with respect to the ground pins, 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 guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guarantee 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) Typical specifications are measured at 25°C and represent the parametric norm. (4) Tested limits are specified to TI's AOQL (Average Outgoing Quality Level). (5) Datasheet min/max specification limits are specified by design, test, or statistical analysis. (6) V- must have at least - 9.5V at its pin with reference to GND in order for the under-voltage protection circuitry to be disabled. In addition, the voltage differential between V+ and V-must be greater than 14V. (7) Cross talk performance was measured using the demo board shown in the datasheet. PCB layout will affect cross talk. It is recommended that the input and output traces be separated by as much distance as possible. Return ground traces from outputs should also be independent back to single ground point and use as wide of traces as possible. 4 Submit Documentation Feedback Copyright © 2004–2006, Texas Instruments Incorporated Product Folder Links: LM4734 LM4734TABD |
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