TS2012IQT STMicroelectronics, TS2012IQT Datasheet

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... Pop & click reduction circuitry provides low on/off switch noise while allowing the device to start within 1ms. Two standby pins (active low) allow each channel to be switched off independently. The TS2012 is available in a QFN20 package in 4x4 mm dimension. December 2007 TS2012IQT - QFN20 (4x4) Pin connections (top view ...

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Contents Contents 1 Absolute maximum ratings and operating conditions . . . . . . . . . . . . . 3 2 Typical application . . . . . . . . . . . . . . ...

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TS2012 1 Absolute maximum ratings and operating conditions Table 1. Absolute maximum ratings Symbol V Supply voltage CC V Input voltage i T Operating free air temperature range oper T Storage temperature stg T Maximum junction temperature j R Thermal ...

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Absolute maximum ratings and operating conditions Table 2. Operating conditions Symbol V Supply voltage CC V Input voltage range I V Input common mode voltage ic Standby voltage input V Device ON STBY Device in STANDBY R Load resistor L ...

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TS2012 2 Typical application Figure 1. Typical application schematics Input capacitors are optional Left IN+ Cin Differential Left Input Cin Left IN- Right IN+ Cin Differential Right Input Cin Right IN- Input capacitors are optional Left IN+ Cin Differential Left ...

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Typical application Table 3. External component descriptions Components Supply capacitor that provides power supply filtering Input coupling capacitors (optional) that block the DC voltage at the amplifier input C terminal. The capacitors ...

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TS2012 3 Electrical characteristics 3.1 Electrical characteristic tables Table +5V, GND = 0V Symbol Parameters and test conditions Supply current input signal, no load, both channels Standby current I STBY No input ...

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Electrical characteristics Table +5V, GND = 0V Symbol Parameters and test conditions Output voltage noise f = 20Hz to 20kHz, R Unweighted (Filterless, G=6dB) A-weighted (Filterless, G=6dB) Unweighted (with LC output filter, G=6dB) V A-weighted ...

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TS2012 Table +3.6V, GND = 0V Symbol Supply current input signal, no load, both channels Standby current I STBY No input signal, V STBY Output offset voltage V oo Floating inputs, G ...

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Electrical characteristics Table +3.6V, GND = 0V Symbol Output voltage noise f = 20Hz to 20kHz, R Unweighted (Filterless, G=6dB) A-weighted (Filterless, G=6dB) Unweighted (with LC output filter, G=6dB) V A-weighted (with LC output filter, ...

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TS2012 Table +2.5V, GND = 0V Symbol Supply current input signal, no load, both channels Standby current I STBY No input signal, V STBY Output offset voltage V oo Floating inputs, G ...

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Electrical characteristics Table +2.5V, GND = 0V Symbol Output voltage noise f = 20Hz to 20kHz, R Unweighted (filterless, G=6dB) A-weighted (filterless, G=6dB) Unweighted (with LC output filter, G=6dB) V A-weighted (with LC output filter, ...

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TS2012 Figure 3. Test diagram for PSRR measurements GND 5th order 50kHz low-pass filter Cs VCC 20Hz to 20kHz 100nF Vripple GND μ Cin Out+ In+ μ 1/2 TS2012 LC Filter In- Out- ...

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Electrical characteristics Table 8. Index of graphics Current consumption vs. power supply voltage Current consumption vs. standby voltage Efficiency vs. output power Output power vs. power supply voltage PSRR vs. common mode input voltage PSRR vs. frequency CMRR vs. common ...

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TS2012 Figure 4. Current consumption vs. power supply voltage 6 T =25°C AMB No Loads Both channels ON 5 One channel 2.5 3.0 3.5 4.0 Power Supply Voltage (V) Figure 6. Efficiency vs. output ...

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Electrical characteristics Figure 10. Output power vs. power supply voltage 3.5 Ω ≥ μ 1kHz 3.0 BW < 30kHz ° Tamb = 25 C 2.5 THD+N=10% 2.0 1.5 1.0 0.5 0.0 2.5 ...

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TS2012 Figure 16. Gain vs. frequency 8 no load 6 4 Ω μ RL=8 +15 H Ω RL=8 +30 Gain = 6dB 2 Ω RL=4 Vin = 500mV μ Cin = 4.7 F ° AMB 0 ...

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Electrical characteristics Figure 22. THD+N vs. output power 10 Ω μ 100Hz G = 6dB Vcc=3.6V BW < 30kHz 1 ° Tamb = 25 C Vcc=2.5V 0.1 0.01 1E-3 0.01 Output Power ...

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TS2012 Figure 28. THD+N vs. frequency 10 Ω μ RL G=6dB BW < 30kHz Vcc=2.5V 1 ° Tamb = 25 C 0.1 0.01 20 100 1000 Frequency (Hz) Figure 30. THD+N vs. frequency 10 Ω μ RL=4 ...

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Electrical characteristics Figure 34. THD+N vs. frequency 10 Ω μ RL G=6dB BW < 30kHz Po=1.5W Vcc=5V 1 ° Tamb = 25 C 0.1 0.01 20 100 1000 Frequency (Hz) Figure 36. THD+N vs. frequency 10 Ω ...

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TS2012 Figure 40. Crosstalk vs. frequency 0 Vcc = 2.5, 3.6, 5V Ω μ +30 H -20 Gain = 24dB ° AMB -40 R -> L -60 -80 -100 -120 20 100 Frequency ...

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Application information 4 Application information 4.1 Differential configuration principle The TS2012 is a monolithic fully-differential input/output class D power amplifier. The TS2012 also includes a common-mode feedback loop that controls the output bias value to average ...

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TS2012 4.4 Low frequency response If a low frequency bandwidth limitation is required possible to use input coupling capacitors. In the low frequency region, the input coupling capacitor C effect. C forms, with the input impedance Z in ...

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Application information 4.6 Wake-up time (t When the standby is released to set the device ON, there is a delay of 1ms typically. The TS2012 has an internal digital delay that mutes the outputs and releases them after this time ...

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TS2012 Figure 45. Typical application for single-ended input configuration Left Input Cin Cin Right Input Cin Cin 4.10 Output filter considerations The TS2012 is designed to operate without an output filter. However, due to very sharp transients on the TS2012 ...

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Application information Figure 46. Ferrite chip bead placement From output In the case where the distance between the TS2012 output and the speaker terminals is too long possible to have low frequency EMI issues due to the fact ...

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... JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an STMicroelectronics trademark. ECOPACK specifications are available at: www.st.com. Figure 47. QFN20 package mechanical drawing ...

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Package information Table 10. QFN20 package mechanical data Ref ddd Figure 48. QFN20 package footprint Note: The QFN20 package has an exposed pad E2 x D2. For enhanced thermal ...

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... TS2012 6 Ordering information Table 11. Order code Part number TS2012IQT 7 Revision history Table 12. Document revision history Date 17-Dec-2007 Temperature range Package -40°C to +85°C QFN20 Revision 1 First release. Ordering information Packaging Marking Tape & reel K12 Changes 29/30 ...

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... 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. ...