TS4998IQT STMicroelectronics, TS4998IQT Datasheet
TS4998IQT
Specifications of TS4998IQT
Related parts for TS4998IQT
TS4998IQT Summary of contents
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Features ■ Operating range from V = 2.7V to 5.5V CC ■ 1W output power per channel @ V THD+N=1%, R =8Ω L ■ Ultra low standby consumption: 10nA typ. ■ 80dB PSRR @ 217Hz with grounded inputs ■ High ...
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Contents Contents 1 Typical application schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 ...
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TS4998 1 Typical application schematics Figure 1 shows a typical application for the TS4998 with a gain of +6dB set by the input resistors. Figure 1. Typical application schematics Optional Diff. input L- Cin1 P1 330nF Cin2 P2 Diff. input ...
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Absolute maximum ratings 2 Absolute maximum ratings Table 2. Absolute maximum ratings Symbol V Supply voltage CC V Input voltage in T Operating free air temperature range oper T Storage temperature stg T Maximum junction temperature j R Thermal resistance ...
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TS4998 3 Electrical characteristics Table +5V, GND = 0V Symbol Supply current input signal, no load, left and right channel active (1) Standby current I STBY No input signal, V STBYL Output ...
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Electrical characteristics Table +3.3V, GND = 0V Symbol Supply current input signal, no load, left and right channel active (1) Standby current I STBY No input signal, V STBYL Output offset voltage ...
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TS4998 Table +2.7V, GND = 0V Symbol Supply current input signal, no load, left and right channel active (1) Standby current I STBY No input signal, V STBYL Output offset voltage V ...
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Electrical characteristics Table 7. Index of graphics THD+N vs. output power THD+N vs. frequency PSRR vs. frequency PSRR vs. common mode input voltage CMRR vs. frequency CMRR vs. common mode input voltage Crosstalk vs. frequency SNR vs. power supply voltage ...
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TS4998 Figure 2. THD+N vs. output power 10 Ω +6dB F = 1kHz μ < 125kHz 1 ° Tamb = 25 C Vcc=2.7V 0.1 0.01 1E-3 0.01 Output power (W) ...
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Electrical characteristics Figure 8. THD+N vs. output power 10 Ω +6dB F = 10kHz μ < 125kHz 1 ° Tamb = 25 C Vcc=2.7V 0.1 0.01 1E-3 0.01 Output power ...
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TS4998 Figure 14. THD+N vs. frequency 10 Ω +6dB μ < 125kHz ° Tamb = 0.1 0.01 100 Frequency (Hz) Figure 16. THD+N vs. frequency 10 Ω ...
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Electrical characteristics Figure 20. PSRR vs. frequency 0 Vcc = 5V -10 Vripple = 200mVpp G = +6dB -20 μ μ Cin = 4.7 F -30 Inputs Grounded ° Tamb = 25 C -40 -50 -60 ...
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TS4998 Figure 26. PSRR vs. frequency 0 Vcc = 2.7V -10 Vripple = 200mVpp G = +6dB -20 μ μ Cin = 4.7 F -30 Inputs Grounded ° Tamb = 25 C -40 -50 -60 -70 ...
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Electrical characteristics Figure 32. CMRR vs. frequency 0 Vcc = 3.3V ≥ Ω - +6dB Vic = 200mVpp -20 μ μ Cin = 4.7 F Tamb = 25°C -30 -40 -50 -60 ...
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TS4998 Figure 38. Crosstalk vs. frequency 0 Ω - +6dB -20 μ μ Cin = -30 ° Tamb = 25 C -40 -50 Vcc=5V -60 Vcc=3.3V -70 Vcc=2.7V -80 ...
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Electrical characteristics Figure 44. SNR vs. power supply voltage 110 108 106 104 102 100 98 Unweighted filter (20Hz to 20kHz 1kHz +6dB THD + N < 0.5% 92 Tamb = ...
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TS4998 Figure 50. Current consumption vs. standby voltage Both channels active One channel active Standby Voltage (V) Figure 52. Current consumption vs. standby voltage ...
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Electrical characteristics Figure 56. Frequency response 14 μ Ω Cin=4.7 F, Rin=12k Ω Cin=680nF, Rin=12k μ Ω Cin=4.7 F, Rin=24k Ω Cin=330nF, Rin=24k 100 1000 ...
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TS4998 Figure 62. Power dissipation vs. output power Figure 63. Power derating curves 400 350 300 250 200 150 Ω RL=16 100 100 150 200 250 Output Power (mW) 3.0 2.8 2.6 Ω RL=4 2.4 2.2 ...
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Application information 4 Application information 4.1 General description The TS4998 integrates two monolithic full-differential input/output power amplifiers with two selectable standby pins dedicated for each channel. The gain of each channel is set by external input resistors. 4.2 Differential configuration ...
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TS4998 Due to the tolerance on the internal 50kΩ feedback resistors, the differential gain will be in the range (no tolerance on R The difference of resistance between input resistors of each channel have direct influence on the PSRR, CMRR ...
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Application information 4.5 Low frequency response The input coupling capacitors block the DC part of the input signal at the amplifier inputs. In the low frequency region, C pass filter with a -3dB cut-off frequency. expressed in Ω and C ...
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TS4998 4.6 Power dissipation and efficiency Assumptions: ● Load voltage and current are sinusoidal (V ● Supply voltage is a pure DC source (V The output voltage is: and and Therefore, the average current delivered by the supply voltage is: ...
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Application information The efficiency is the ratio between the output power and the power supply: Equation 6 The maximum theoretical value is reached when V The TS4998 is stereo amplifier so it has two power amplifiers. Each amplifier produces heat ...
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TS4998 4.7 Footprint recommendation Footprint soldering pad dimensions are given in previous section, the maximum allowable value for ambient temperature is dependent on the thermal resistance junction to ambient R power dissipation. Based on best thermal performance recommended ...
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Application information 4.9 Standby control and wake-up time t The TS4998 has two dedicated standby pins (STBYL, STBYR). These pins allow to put each channel in standby mode or active mode independently. The amplifier is designed to reach close to ...
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TS4998 external input capacitors C mismatched components, the TS4998 includes pop reduction circuitry. With this circuitry, the TS4998 is close to zero pop for all possible common applications. In addition, when the TS4998 is in standby mode, due to the ...
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Application information 4.13 Notes on PSRR measurement What is the PSRR? The PSRR is the power supply rejection ratio. The PSRR of a device is the ratio between a power supply disturbance and the result on the output. In other ...
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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 69. QFN16 package Figure 70 ...
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QFN16 package information Figure 71. QFN16 4x4mm package mechanical data * The Exposed Pad is connected to Ground. * The Exposed Pad is connected to Ground. Figure 72. QFN16 footprint soldering pad 30/33 Dimensions Millimeters (mm) Ref Min A 0.8 ...
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... TS4998 6 Ordering information Table 8. Order codes Order code TS4998IQT Temperature range Package -40°C to +85°C QFN16 4x4mm Ordering information Packaging Marking Tape & reel K998 31/33 ...
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Revision history 7 Revision history Table 9. Document revision history Date 20-Dec-2007 32/33 Revision 1 Initial release. TS4998 Changes ...
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... TS4998 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. ...