TS4961TIQT STMicroelectronics, TS4961TIQT Datasheet
TS4961TIQT
Specifications of TS4961TIQT
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TS4961TIQT Summary of contents
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... W into an 8 Ω load. It achieves an outstanding efficiency 88% typical. September 2008 QFN TS4961TIQT pinout The audio amplifying gain of the device can be controlled via two external gain-setting resistors designed to operate from 2.4 to 4.3 V, making this device ideal for portable applications. ...
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Contents Contents 1 Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3 2 Electrical characteristics . . . . . . . . . . . . . . ...
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TS4961T 1 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings Symbol (1) (2) V & V Supply voltage CCA CCS V Input voltage in T Operating free-air temperature range oper T Storage temperature stg T Maximum junction ...
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Absolute maximum ratings and operating conditions Table 3. Operating conditions for analog switch section Symbol V Supply voltage CC V Input voltage in V Control input voltage IC V Output voltage O dt/dv Input rise and fall time control input ...
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TS4961T Table 6. Pin description Name Pin number VCCA VCCS /STDBY T1 D2 SL2 OUT+ GNDA OUT- T2 GNDS SL1 D1 NC IN- IN+ E-Pad Absolute maximum ratings and operating conditions 6 Class D audio amplifier power supply voltage input ...
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Electrical characteristics 2 Electrical characteristics 2.1 Audio amplifier section Table 7. Electrical characteristics amb Symbol Supply current input signal, no load Standby current I STBY No input signal, V Output offset voltage V oo ...
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TS4961T Table 7. Electrical characteristics amb Symbol Output voltage noise f = 20Hz to 20kHz 6dB Unweighted R A-weighted R Unweighted R A-weighted R Unweighted R A-weighted Unweighted R A-weighted R Unweighted ...
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Electrical characteristics Table 8. Electrical characteristics amb Symbol Supply current input signal, no load Standby current I STBY No input signal, V Output offset voltage input signal, R Output power, G=6dB ...
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TS4961T Table 8. Electrical characteristics amb Symbol Output voltage noise f = 20Hz to 20kHz 6dB Unweighted R A-weighted R Unweighted R A-weighted R Unweighted R A-weighted Unweighted R A-weighted R Unweighted ...
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Electrical characteristics Table 9. Electrical characteristics amb Symbol Supply current input signal, no load Standby current I STBY No input signal, V Output offset voltage input signal, R Output power, G=6dB ...
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TS4961T Table 9. Electrical characteristics amb Symbol Output voltage noise f = 20Hz to 20kHz 6dB Unweighted R A-weighted R Unweighted R A-weighted R Unweighted R A-weighted Unweighted R A-weighted R Unweighted ...
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Electrical characteristics Table 10. Electrical characteristics amb Symbol Supply current input signal, no load Standby current I STBY No input signal, V Output offset voltage input signal, R Output power, G=6dB ...
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TS4961T Table 10. Electrical characteristics amb Symbol Output voltage noise f = 20Hz to 20kHz 6dB Unweighted R A-weighted R Unweighted R A-weighted R Unweighted R A-weighted Unweighted R A-weighted R Unweighted ...
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Electrical characteristics Table 11. Electrical characteristics amb Symbol Supply current input signal, no load Standby current I STBY No input signal, V Output offset voltage input signal, R Output power, G=6dB ...
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TS4961T Table 11. Electrical characteristics amb Symbol Output voltage noise f = 20Hz to 20kHz 6dB Unweighted R A-weighted R Unweighted R A-weighted R Unweighted R A-weighted Unweighted R A-weighted R Unweighted ...
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Electrical characteristics 2.2 Analog switch section Table 12. DC specifications Symbol Parameter V High level input voltage IH V Low level input voltage Switch T ON PEAK n resistance Tn ΔR ON resistance match ON, (1) between ...
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TS4961T Table 13. AC electrical characteristics (C Symbol Parameter t t Propagation delay PLH, PHL t Turn-ON time ON t Turn-OFF time OFF Q Charge injection = 50 Ω pF (V) Test conditions ...
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Electrical characteristics Table 14. Analog switch characteristics (C Symbol Parameter Off isolation for OIRR Tn switch T1,T2 Crosstalk between XtalkTn T1 and bandwidth for BW Tn switch T1, T2 Control pin input C SEL capacitance Tn port ...
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TS4961T 3 Electrical characteristics curves 3.1 Audio amplifier section The graphs included in this section use the following abbreviations: ● µ µH = pure resistor + very low series resistance inductor. L Filter = LC ...
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Electrical characteristics curves Figure 3. Current consumption vs. power supply voltage No load Tamb=25 ° C Figure 5. Output offset voltage vs. common mode input voltage Figure 7. Efficiency vs. output power Efficiency Power Dissipation 20/49 Figure 4. Current consumption ...
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TS4961T Figure 9. Output power vs. power supply voltage 2 Ω + ≥ 15 μ 1kHz BW < 30kHz Tamb = 25 ° C 1.5 THD+N=10% 1.0 0.5 0.0 2.5 3.0 Vcc (V) Figure ...
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Electrical characteristics curves Figure 15. PSSR vs. frequency 0 -10 μ -20 Ω Δ ≤ -30 ° -40 -50 -60 -70 -80 20 100 1000 Figure 17. CMRR vs. common mode input voltage Δ Vicm = 200mVpp F = 217Hz ...
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TS4961T Figure 21. CMRR vs. frequency RL=8 Ω μ H G=6dB Δ Vicm=200mVpp Δ R/R ≤ 0.1% Cin=4.7 μ F Vcc=3.6V, 2.5V Tamb = 25 ° Figure 23. CMRR vs. frequency RL=8 Ω + Filter G=6dB ...
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Electrical characteristics curves Figure 27. THD+N vs. output power Ω μ Filter F = 100Hz G = 6dB BW < 30kHz Vcc=2.5V Tamb = 25 ° C Figure 29. THD+N vs. output power ...
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TS4961T Figure 33. THD+N vs. frequency RL=4 Ω μ Filter G=6dB Bw < 30kHz Po=0.35W Vcc=2.5V Tamb = 25 ° Figure 35. THD+N vs. frequency RL=4 Ω μ Filter G=6dB ...
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Electrical characteristics curves Figure 39. THD+N vs. frequency RL=8 Ω μ Filter G=6dB Bw < 30kHz Vcc=3.6V Tamb = 25 ° Figure 41. Gain vs. frequency Vcc=3.6V & 2.5V RL=4 Ω μ ...
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TS4961T Figure 45. Gain vs. frequency Vcc= 3.6V & 2.5V RL=8 Ω + Filter G=6dB Vin=500mVpp Cin=1 μ F Tamb = 25 ° Figure 47. Startup & shutdown time dB µF ...
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Electrical characteristics curves 3.2 Analog switch section The graphs included in this section use the following abbreviations. ● µ µH = pure resistor + very low series resistance inductor. L Filter = LC output filter ...
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TS4961T Figure 52. ON resistance Figure 53. OFF leakage V S GND SEL GND T(Off SEL GND Electrical characteristics curves D(Off ...
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Electrical characteristics curves Figure 54. OFF isolation V S GND Figure 55. Bandwidth V V 30/ SEL GND SEL GND TS4961T V OUT OUT D 50 ...
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TS4961T Figure 56. Switch-to-switch crosstalk SEL1 V CC Figure 57. Test circuit Note 5/ equivalent (includes jig and probe capacitance). L Ω equivalent ...
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Electrical characteristics curves Figure 58. Switching time and charge injection test circuit schematics MΩ 100 SEL V IN GND Figure 60. Turn on, turn off time test circuit ...
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TS4961T Figure 64. THD+N vs. output power Ω 1kHz BW < 30kHz Tamb = 25 ° C Vcc=4.3V Vcc=3.3V Vcc=2.5V Figure 66. THD+N vs. output power Ω 10kHz BW < ...
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Electrical characteristics curves Figure 70. THD+N vs. frequency Po=120mW Po=35mW Po=10mW 50 Figure 72. THD+N vs. frequency Po=260mW Po=90mW Po=30mW 50 Figure 74. Isolation vs. frequency RL=20k Ω RL=100k Ω 20 34/49 Figure 71. THD+N vs. frequency RL=4 Ω Vcc=3.3V ...
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TS4961T 4 Application component information Table 15. Component information Component Figure 75. Typical application schematics 2.4 to 4.3V BB CODEC 2.4 to 4.3V Functional description Bypass supply capacitor. Install as close as ...
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Application component information 4.1 Common mode feedback loop limitations The common mode feedback loop allows the output DC bias voltage to be averaged for any DC common mode bias input voltage. CC However, because of the V ...
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TS4961T 4.2 Low frequency response If a low frequency bandwidth limitation is required possible to use input coupling capacitors. In the low frequency region, C with first order high-pass filter with cut-off ...
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Application component information 4.5 Shutdown time (t When the standby command is set, the time required to put the two output stages into high impedance and to put the internal circuitry in standby mode, is about 5 ms. This time ...
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TS4961T Figure 77. Typical application schematics with multiple single-ended inputs We have the following equations. In general, for mixed situations (single-ended and differential inputs), the same rule must be used, that is, to equalize impedance on both TS4961T inputs. Standby ...
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Application component information 4.8 Output filter considerations The TS4961T is designed to operate without an output filter. However, due to very sharp transients on the TS4961T output, EMI radiated emissions may cause some standard compliance issues. These EMI standard compliance ...
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TS4961T 4.9 Examples with summed inputs 4.9.1 Example 1: dual differential inputs Figure 79. Typical application schematics with dual differential inputs Standby E2+ E1+ E1- E2- With (Ri in kΩ): Stdby 12 Internal Bias R2 300k 150k ...
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Application component information 4.9.2 Example 2: one differential input plus one single-ended input Figure 80. Typical application schematics with one differential input plus one single-ended input Standby E2 E2- GND C1 With (Ri in kΩ): 42/49 Stdby 12 ...
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TS4961T 4.10 Using the audio amplifier and switch on the same speaker The TS4961T can be used to supply a speaker with two different sources. The typical application is shown in Figure 81. Typical application schematics for the TS4961T Speaker ...
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Application component information Figure 82. Timing of switching between two audio sources High /STDBY Low High SL1 & SL2 Low Status Speaker Not Connected 44/49 Delay >1ms Delay >10ms Speaker Speaker Connected to the Connected to the Line Out Source ...
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TS4961T 5 Package information In order to meet environmental requirements, ST offers these devices in ECOPACK packages. These packages have a lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner ...
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Package information Figure 83. QFN16 package mechanical drawing Note: For enhanced thermal performance the exposed pad must be soldered to a copper area on the PCB, acting as a heatsink. This copper area can be electrically ...
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TS4961T Figure 84. QFN16 package recommended footprint Note: The substrate pad should be tied to the PCB GND. Package information 47/49 ...
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... Ordering information 6 Ordering information Table 17. Order codes Order code TS4961TIQT 7 Revision history Table 18. Document revision history Date 16-Sep-2008 48/49 Temperature range Package -40°C to +85°C QFN16 Revision 1 Initial release. TS4961T Packing Marking Tape & reel K61T Changes ...
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... TS4961T Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...