TS489IQT STMicroelectronics, TS489IQT Datasheet
TS489IQT
Specifications of TS489IQT
Related parts for TS489IQT
TS489IQT Summary of contents
Page 1
... Bypass Bypass Bypass TS489IST - MiniSO VCC VCC OUT (1) OUT ( OUT (2) OUT (2) VIN (1) VIN (1) BYPASS BYPASS VIN (2) VIN (2) SHUTDOWN SHUTDOWN GND GND TS489IQT - DFN8 Vcc Vcc OUT OUT (2) (2) OUT OUT (1) (1) IN (2) IN (2) Shutdown Shutdown ( GND GND Bypass Bypass www.st.com ...
Page 2
Contents Contents 1 Typical application schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ...
Page 3
TS488-TS489 1 Typical application schematic Figure 1. Typical application for the TS488-TS489 Table 1. Application component information Component Inverting input resistor that sets the closed loop gain in conjunction with R R in1,2 This resistor also forms a high pass ...
Page 4
Absolute maximum ratings and operating conditions 2 Absolute maximum ratings and operating conditions Table 2. Absolute maximum ratings Symbol V Supply voltage CC V Input voltage i T Storage temperature stg T Maximum junction temperature j Thermal resistance junction to ...
Page 5
TS488-TS489 3 Electrical characteristics Table 4. Electrical characteristics at V with GND = 0V, T Symbol Parameter I Supply current CC I Standby current STBY P Output power out Total harmonic distortion THD+N + noise Power supply rejection PSRR ratio, ...
Page 6
Electrical characteristics Table 5. Electrical characteristics at V with GND = 0V, T Symbol Parameter I Supply current CC I Standby current STBY P Output power out Total harmonic distortion THD+N + noise Power supply rejection PSRR ratio, inputs grounded ...
Page 7
TS488-TS489 Table 6. Electrical characteristics at V with GND = 0V, T Symbol Parameter I Supply current CC I Standby current STBY P Output power out Total harmonic distortion THD+N + noise Power supply rejection PSRR ratio, inputs grounded V ...
Page 8
Electrical characteristics Table 7. Index of graphics Open-loop frequency response Power derating curves Signal to noise ratio vs. power supply voltage Power dissipation vs. output power per channel Power supply rejection ratio vs. frequency Total harmonic distortion plus noise vs. ...
Page 9
TS488-TS489 Figure 2. Open-loop frequency response 125 100 phase -25 -50 - Frequency (Hz) Figure 4. Open-loop frequency response 125 gain 100 phase -25 -50 -75 ...
Page 10
Electrical characteristics Figure 8. Open-loop frequency response 125 gain 100 phase -25 -50 - Frequency (Hz) Figure 10. Open-loop frequency response 125 100 phase -25 -50 ...
Page 11
TS488-TS489 Figure 14. Signal to noise ratio vs. power supply voltage 110 A-weighted Filter Av=-1, T =25°C 108 AMB μ Cb=1 F THD+N<0.4% 106 104 102 100 RL= Power Supply Voltage (V) Figure 16. Signal to ...
Page 12
Electrical characteristics Figure 20. Power dissipation vs. output power per channel 30 Vcc=2.5V, F=1kHz, THD+N< Output Power (mW) Figure 22. Power dissipation vs. output power per channel 100 Vcc=5V, ...
Page 13
TS488-TS489 Figure 26. Total harmonic distortion plus noise vs. output power 10 Ω F=1kHz =-1, T =25°C V AMB BW=20Hz-120kHz =3.3V 0 =2.5V CC 0.01 1E Output ...
Page 14
Electrical characteristics Figure 32. Total harmonic distortion plus noise vs. output power 10 Ω F=1kHz =-2, T =25°C V AMB BW=20Hz-120kHz =3.3V 0 =2.5V CC 0.01 1E ...
Page 15
TS488-TS489 Figure 38. Total harmonic distortion plus noise vs. output power 10 Ω F=1kHz =-4, T =25°C V AMB BW=20Hz-120kHz =3.3V CC 0.1 V =2.5V CC 0.01 1E Output ...
Page 16
Electrical characteristics Figure 44. Total harmonic distortion plus noise vs. frequency 1 Ω = BW=20Hz-120kHz T =25°C AMB 0.1 Vcc=2.5V, Po=20mW Vcc=3.3V, Po=40mW Vcc=5V, Po=100mW 0.01 1E-3 20 100 Frequency (Hz) Figure 46. Total ...
Page 17
TS488-TS489 Figure 50. Total harmonic distortion plus noise vs. frequency 1 Ω = BW=20Hz-120kHz T =25°C AMB 0.1 Vcc=2.5V, Po=20mW Vcc=3.3V, Po=40mW 0.01 Vcc=5V, Po=100mW 1E-3 20 100 Frequency (Hz) Figure 52. Total harmonic ...
Page 18
Electrical characteristics Figure 56. Output power vs. power supply voltage 240 Ω R =16 , F=1kHz L T =25°C 200 AMB BW=20Hz-120kHz 160 120 Power Supply Voltage (V) Figure 58. Output voltage swing vs. ...
Page 19
TS488-TS489 Figure 62. Current consumption vs. standby voltage 2.5 2.0 1.5 1.0 0.5 0.0 0.0 0.5 1.0 1.5 Standby Voltage (V) Figure 64. Current consumption vs. standby voltage 0.0 0.5 1.0 1.5 Standby ...
Page 20
Electrical characteristics Figure 68. Crosstalk vs. frequency 0 Ω Vcc=3.3V, RL=16 Av=-1, Po=40mW -20 T =25°C AMB -40 -60 OUT2 to OUT1 -80 -100 -120 100 20 Frequency (Hz) Figure 70. Crosstalk vs. frequency 0 Ω Vcc=5V, RL=16 Av=-1, Po=100mW ...
Page 21
TS488-TS489 Figure 74. Crosstalk vs. frequency 0 Ω Vcc=3.3V, RL=16 Av=-4, Po=40mW -20 T =25°C AMB -40 OUT2 to OUT1 -60 -80 -100 -120 100 20 Frequency (Hz) Figure 76. Crosstalk vs. frequency 0 Ω Vcc=5V, RL=16 Av=-4, Po=100mW -20 ...
Page 22
Application information 4 Application information 4.1 Power dissipation and efficiency Hypotheses: ■ Voltage and current in the load are sinusoidal (V ■ Supply voltage is a pure DC source (V Regarding the load we have: and and The average current ...
Page 23
TS488-TS489 and its value is: Note: This maximum value depends only on power supply voltage and load values. The efficiency is the ratio between the output power and the power supply: The maximum theoretical value is reached when V 4.2 ...
Page 24
Application information Figure 79. Lower cut-off frequency vs. input capacitor 10k 1k 100 10 1 Note: In case F 1st order high-pass filter on the input and the 1st order high-pass filter on the output create a 2nd order high-pass ...
Page 25
TS488-TS489 4.5 Gain setting In the flat frequency response region (with no effect from C is: The gain A is: V 4.6 Decoupling of the circuit Two capacitors are needed to properly bypass the TS488 (TS489), a power supply capacitor ...
Page 26
Application information 4.8 Wake-up time When the standby is released to put the device ON, the bypass capacitor C immediately properly until the C 20ms (pop precaution) is called the wake-up time or t characteristics table with C ...
Page 27
TS488-TS489 With the values above, the result this case, τ This value is sufficient with regard to the previous formula, thus we can state that the pop is imperceptible. Connecting the headphones Generally headphones ...
Page 28
... These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with 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. ackage 5 ...
Page 29
TS488-TS489 ackage 5.2 DFN8 p DIM. MIN. 0. 0.20 D2 1.45 E2 0.75 L 0.225 D E aaa bbb ccc D QFN8 (2x2) MECHANICAL DATA mm. TYP MAX. MIN. 0.55 0.60 0.020 0.90 1.00 0.031 ...
Page 30
... Ordering information 6 Ordering information Table 8. Order codes Part number TS488IST TS488IQT TS489IST TS489IQT 30/32 Temperature range Package MiniSO-8 DFN8 -40°C to +85°C MiniSO-8 DFN8 TS488-TS489 Packing Marking K488 K88 Tape & reel K489 K89 ...
Page 31
TS488-TS489 7 Revision history Table 9. Document revision history Date 2-Jan-2006 1-Feb-2006 4-Aug-2006 15-Sep-2006 Revision 1 First release corresponding to the product preview version. Removal of typical application schematic on first page (it appears in Figure 1 on page 3). ...
Page 32
... 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. ...